Questions tagged [payload]

Questions regarding equipment or other material to be transported during space exploration.

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Are there payloads that went to orbit without a protective fairing?

Reading about the Ultralight Starshade Structural Design, It seems some solution among others could be an umbrella based concept Since the starshade has to be roughly 100m in diameter, one could ...
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3U CubeSat components

as a project for school, we are designing a preliminary conceptual 3U CubeSat design. The mission is to launch in orbit at 1,000 km and Maintain orbit for 1 month. After orbit is maintained for 1 ...
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Info needed on PSLV launch adaptors and configurations

I want to understand how satellites are accommodated in PSLV. I know about few configurations and adaptors that've been used in the past. Is there any document which gives detailed info on Multiple ...
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How would an SSTO adapt to various payloads?

Yet another kerbal question here. Background: I've built many SSTOs before, mainly small, light-payload or crew delivery ones (either boosted by a rocket or by itself). The reason why I've been shying ...
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What was South Korea's Nuri's dummy payload and where did it end up?

Wikipedia's Nuri (rocket) explains that it is a South Korean, three-stage all indigenously developed launch vehicle, and says: On 21 October 2021, it had its first flight at 08:00 UTC and it launched ...
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what is revisit rate

I want to understand what the revisit rate is. If the payload is required to make the revisit rate of 5 hours. The orbit is LEO (altitude less than 2000 kms). What does this mean? Revisit time - the ...
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what kind of valves are used in payload fairing for venting?

I wanted to know that there have been a handful of literature that mentions vent openings in the rocket payload fairings. However, none specify the kind of valves used in those fairings? does anyone ...
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What was the STS mid-deck cargo capacity?

What was the normal cargo capacity of the Shuttle mid-deck, in terms of mass and volume? STS-135 apparently carried more than usual in the mid-deck, how much and how?
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What are the longest current rocket payload fairings, capable of carrying long space station sections?

Space News' China launches Tianhe space station core module into orbit China successfully launched a 22-metric-ton module April 28, beginning an intense period of missions for constructing the nation’...
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Crew Dragon: Could launch escape thrust determine payload capacity?

The superdracos in Dragon's launch escape system each produce $\color{black}{\texttt{71.2 kN}}$ (16,000 lbf) of thrust. There are eight superdracos, giving a combined thrust of $\color{black}{\texttt{...
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Interplanetary secondary payload

Have there been any interplanetary secondary payloads? If there were none, are any such payloads planned? I consider two options: launcher rocket's destination is Earth's orbit (LEO etc.), then ...
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Why wasn't there a 2nd attempt for the Viking-DS (VDS) test payload before the real Viking 1 and 2 were launched?

Per Gunter's Space Page for Viking-DS (VDS): Viking-DS or VDS (Viking Dynamic Simulator) was a vehicle evaluation payload, which was to represent the dynamic properties of the Viking spacecraft. It ...
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Payload capacity of Electron rocket?

I can only find the Electron capacity for LEO and SSO: 300 and 200 kg And for Venus: 15 kg (which links to here) But what is the capacity for GTO, Moon and Mars? LEO = Low Earht Orbit SSO = Sun-...
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Payload Capacity definition

Does the payload capacity of a rocket include the satellite and the adaptator or is it just the satellite ?
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Payload capacity of a rocket

Why does a rocket have far more payload capacity when placing an object in LEO compared to when it's placing the object in farther orbits, like on the Moon? If a rocket has sufficient thrust to take ...
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Let's say I build an orbit-capable launch vehicle, what tests/certifications would the LV have to acquire to be allowed to launch payloads into orbit?

For the purpose of the question, let's assume said launch vehicle is 100% identical to Electron. What sort of tests/certifications would I have to send the rocket through in order to make it legal to ...
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What is the correct rough estimation for the payload to kick-off a sustainable Mars colony?

In this talk, Elon Musk explains our current global capacity required to kick-off a sustainable Mars colony, should be about 1 000 000 tons (including humans). While this is for sure just some rough ...
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How much payload capacity is available for a Rocketlab Photon interplanetary mission to Venus?

I've been quite interested in Rocketlab's Photon satellite bus, which they claim to be able to send to Venus. I'm trying to get some kind of an idea of what kind of payload might possible be able to ...
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What does the connector supports on the payload adapter do?

Good day, I am currently doing a project for university in which I have to redesign the connector support for the Payload Adapter (PLA 1194 VG) for the Vega(picture shown). I would like some ...
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Space Shuttle missions for satellite deployment?

Was there any Space Shuttle mission whose primary target were e deploying satellites (space stations do not count).
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Are there any images of SOOS?

SOOS--Stacked Oscar On Scout--was what it was called when the 1985 decision was made to replenish the Operational (Oscar) Transit constellation with unflown first-production models. Early Oscars were ...
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Who started conducting multiple-payload launches routinely, and on which vechicle?

I know multiple-payload launches are routine these days, and everyone seems to have their own reignitable kick-stage. But who were the first to start doing that? This is similar to this question, but ...
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Determine envelopes for the payloads?

I am a mechanical engineer who is trying to expand my domain knowledge in aerospace and am currently reading a book to increase my understanding of it. I am mostly interested in studying the design of ...
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Would the 6.5 ton capable Blue Moon lander fit in New Glenn?

As the 2 massive projects of the same company, are they designed to be compatible for NASA's CLPS program ? New Glenn's said to have a 7 m payload fairing diameter but as far as I know, Blue Moon's ...
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Was the Space Shuttle balanced experimentally before flight?

Even spacecraft that are designed and optimized for a single mission need to be carefully balanced experimentally, and have ballast added before flight. Why did New Horizons have to be spin-balanced ...
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Which kind of launch vehicle has put the most total payload mass in space?

Examples of "kinds of launch vehicles" include Ariane 5, Electron, Pegasus, Falcon 9, Space Shuttle, Saturn V, etc.; small variations shouldn't be counted as separate. Question: Which kind of launch ...
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Can communication satellite carry payload other than it's own boards?

Can we attach payload to communication satellite and detach it in space after having gained a specific altitude? What is probability that it will fail?
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What's the largest rocket that was carried to space inside a Space Shuttle?

Why did the Ulysses probe reach Jupiter much faster than Galileo? got me wondering about the largest rocket that was carried to space inside a Space Shuttle. Largest in terms of some performance ...
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Is it possible to build a rocket with 2kg payload? [duplicate]

Is it possible to build a small rocket that carries 1 cubesat into orbit? And how small the rocket would be, if it is possible?
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Can a lighter rocket lift more than a heavier rocket?

Let us consider two launch vehicles - "A" and "B". If "A" has a larger wet mass than "B", does this imply "A" has a higher payload capacity to a particular orbit, from a particular launch site than "B"...
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Why use an air conditioning blanket instead of supplying air into the fairing?

This answer explains that some Atlas payloads were covered in an air coditioning blanket before launch. I can imagine that the payload has some thermal requirements, but a blanket looks lust plain ...
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Orbital insertion accuracy for SpaceX payloads

What is the orbital insertion accuracy of SpaceX for positioning its payload (for example satellites)? How close do they get to the requested or target orbital parameters? I tried to research this on ...
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Are there examples of cargo being damaged during re-entry?

Are there examples of items being brought to or returned to Earth that were damaged in the re-entry process? For example, lunar samples during Apollo, or something being returned in the Shuttle ...
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Why was the Energia’s payload capacity to lunar orbit greater than its payload capacity to geosynchronous orbit?

The Energia rocket, developed in the 1970s and 1980s to launch the Soviet Buran space shuttle, had the second-highest payload capacity (100 tonnes to LEO) of any rocket ever flown (and the highest-...
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17 votes
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What is the largest number of identical satellites launched together?

What is the largest number of (essentially) identical satellites launched together? Form factor alone (e.g. 1U, 3U cubesat) is not enough to make satellites identical, they need to be the same design,...
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4 votes
3 answers
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How good is Stratolaunch vs Falcon9 as a first stage?

With the Stratolaunch flying this week I was interested in seeing how good it was compared to a Falcon9. I figured comparing energy contribution would make sense. The stats as best I can find: ...
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Would it be practical to add side payloads on top of Falcon Heavy's side boosters?

Those side payloads / side fairings, would be strapped on central core second stage, on top of side boosters. The idea is to increase payload volume without (that much) changing drag during the lift ...
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Has anything like the Luna 2 "Flag Grenade" been done since?

I read this week's XKCD and learned a fun new fact about the first contact with the moon. A replica of the ball that they mention in the comic is shown below: Gratis the wiki page on Luna 2. Source ...
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Could OneWeb's satellites be launched on Electron rockets?

OneWeb's satellites weigh about 150 kg each, which is within the range of the Electron rocket. However I am not sure about the target orbit(s). Technically speaking, could OneWeb launch its satellite ...
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5 votes
2 answers
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Ariane 4 Random Vibration

In the plot above, taken from space craft system engineering book, chapter 2. This is the plot showing the random vibration power spectrum of Ariane 4. The unit is $g^2/Hz$, I understand how the ...
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What licenses do you need to launch a rocket and put something into orbit? [duplicate]

Do you need a licence to build, and fly a rocket (mainly flying)? Can you build any type of rocket and fly it anywhere at any time? Are there regulations on what you can take to space?
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Parasite Satellite

With computers and technology becoming lighter and is also effected by drag. Could a small satellite that lacks certain systems be designed to utilize an existing satellites systems like radio, solar ...
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help understanding this complicated structure that will deploy HySIS

This ISRO page for the HysYS spacecraft says: HysIS, the primary satellite of PSLV-C43 mission, weighing about 380 kg, is an earth observation satellite configured around ISRO’s Mini Satellite-2 (...
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How do I calculate the characteristic energy for a rocket to near rectilinear halo orbit where the Deep Space Gateway is going to orbit the Moon?

How do I calculate the characteristic energy for a rocket to near rectilinear halo orbit (NRHO) where the LOP-G or the Deep Space Gateway is going to be orbiting the Moon? Or if someone already has a ...
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19 votes
8 answers
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How would a long pole be transported to space?

Can a long pole or a set of poles be strapped to the out side of a rocket (like a bottle rocket)or on the nose as an external payload without interfering with the aerodynamics of the rocket? How would ...
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Solar Sail Payloads

Seeing as solar panels have become more compact, reliable and sturdy; could we potentially build a collapsible solar-sail to "tow" things out of our solar system? I've seen a lot of questions tackling ...
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4 votes
1 answer
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How to identify loads for a Payload Adapter System during Rocket Launch?

Good afternoon, A classmate and me are doing a project for university in which I have to perform several structural analysis of the Payload Adaptar System 937C from Ariane V (picture shown). The ...
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5 votes
2 answers
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What size payloads could we feasibly launch from the moon with a mass driver?

I've been wondering how large a payload could be launched & if it's viable to launch those payloads directly to the earth for splashdown & collection. Obviously the payload would need to be ...
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What is Falcon heavy's payload capacity to Trans-Lunar Injection

According to the SpaceX website (http://www.spacex.com/falcon-heavy) the falcon Heavy can carry 16.8 tons to Trans Mars Injection (TMI) and 26.7 tons to Geostationary Transfer Orbit (GTO). How much ...
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6 votes
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Where are all those blocks of steel and concrete now?

According to the Wikipedia article about Elon Musk's Tesla Roadster now in Heliocentric orbit: Traditionally, concrete or steel blocks are used as ballast in risky test flights. SpaceX wanted to ...
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