Stack Exchange Network

Stack Exchange network consists of 174 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

Visit Stack Exchange

Questions tagged [cygnus]

Questions about the Cygnus cargo space craft designed to service the ISS.

4
votes
1answer
142 views

Was anything special done for the Cygnus OA-9 launch to give it so much extra fuel?

The Cygnus OA-9 mission has had plenty of extra fuel to burn! While docked at the ISS, it burned for a while to raise the ISS' orbit. This may have been more of a demonstration and token altitude ...
8
votes
2answers
2k views

Who can now resupply the ISS?

There are 4 major spacecraft that can supply the ISS. Progress, Dragon, ATV, and Cygnus. Of these 4 spacecraft, only the ATV has not had an issue in the last 8 months. ATV has stated they will not ...
4
votes
1answer
57 views

Cygnus on a 3rd party launcher

With Orbital looking at using a 3rd party launch service for their CRS contract, they have stated that Cygnus was designed with this in mind. Does anyone have information or ideas on how they ...
18
votes
1answer
699 views

Does the ISS team plan cargo flights when at half crew on purpose?

A number of times now, the cargo vehicles (Dragon, Cygnus, or HTV) seem to have arrived while the station was between crew switchovers. With indirect crew handovers, three crew depart in a Soyuz, ...
2
votes
0answers
135 views

Does naming cargo space craft indicate intentions?

ESA committed to launching 5 ATV vehicles. All 5 were named. JAXA has committed to a limited number of HTV launches. And all have been named. Orbital has contracted for 8 launches, and seems to be ...
6
votes
1answer
431 views

How do you handle variations in launches with a solid second stage?

Watching the Antares launch for Orb-1 mission of Cygnus, I was thinking about the booster. First stage is built in Ukraine by the company that makes the Zenit. They use the NK-33 engine, (Called an ...
8
votes
1answer
146 views

How well did the Orbital Sciences' Cygnus cargo craft perform?

Regardless of the GPS discrepancy, Cygnus completed its mission. How well did it do, and, does SpaceX now have a proper competitor?
25
votes
2answers
6k views

Will the ISS need more docking ports?

Currently the ISS has two basic segments, the Russian and US sides. The Russian side has 4 docking ports. Usually occupied by 2 Soyuz, 1 or 2 Progress freighters or an ESA ATV vehicle. You can see ...