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7 votes
Accepted

Is this really the logo of the North Korean space program?

Among others, the Wikipedia page cites this CNET article, which in turn links to a copy of the original KCNA statement; this is also linked from the WP page. It's now offline, but here is an archived ...
Andrew is gone's user avatar
4 votes

When (roughly) will North Korea's Kwangmyongsong-4 satellite re-enter?

Here is a simulation to predict the reentry date. The simulation includes the Newtonian and the relativistic accelerations of all the planets, Sun and Moon. The Earth's gravity field is modeled with ...
Cristiano's user avatar
  • 1,750
3 votes
Accepted

North Korean objects 41332 and 41333; how fast are they losing altitude?

Here’s what I get from all the TLEs currently available at www.space-track.org processed with the SGP4 library freely downloadable from the same site. Definitions T: orbital period. 1-orbit mean ...
Cristiano's user avatar
  • 1,750
3 votes

North Korean objects 41332 and 41333; how fast are they losing altitude?

41332 is staying pretty steady, although it is currently listed as "operational" in the databases I'm seeing. It is getting to be a bit lower, although I wouldn't expect it to reenter anytime soon, ...
PearsonArtPhoto's user avatar
  • 121k
1 vote

Mechanics of Sun-Synchronous Orbit & North Korea's KMS-4

Is North Korea's KMS-4 in a proper Sun-synchronous orbit? tl;dr: Based on an approximate analysis of its TLE, KMS-4 is in an imperfect Sun-synchronous orbit, and will drift slightly in sun-synchrony ...
uhoh's user avatar
  • 149k

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