Orbital elements of INFORMATOR 1 & RS-14
| Launched | 28 January 1991 |
| Flight ended | – |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 21087 |
| Alternative names |
AMSAT-OSCAR 21 AO-21 |
| Date fetched |
Epoch osculation |
Inc. [°] |
Ecc. | RA asc node [hr] |
Arg Peri. [°] |
Mean anom [°] |
Mean motion [rev/day] |
Abs. mag |
| Date fetched |
Epoch osculation |
Inc. [°] |
Ecc. | RA asc node [hr] |
Arg Peri. [°] |
Mean anom [°] |
Mean motion [rev/day] |
Abs. mag |
| 2025 Sep 15 17:56 | 2025 Sep 15 03:32:34 | 82.9463 | 0.00338 | 21.9372 | 284.3404 | 93.4286 | 13.75492 | 6.243 |
| 2025 Sep 12 17:57 | 2025 Sep 03 00:45:08 | 82.9479 | 0.00342 | 22.5358 | 319.3693 | 93.4286 | 13.75492 | 6.243 |
| 2025 Sep 11 17:57 | 2025 Sep 03 00:45:08 | 82.9479 | 0.00342 | 22.5358 | 319.3693 | 93.4286 | 13.75492 | 6.243 |
| 2025 Sep 10 17:56 | 2025 Sep 03 00:45:08 | 82.9479 | 0.00342 | 22.5358 | 319.3693 | 93.4286 | 13.75492 | 6.243 |
| 2025 Sep 08 17:57 | 2025 Sep 03 00:45:08 | 82.9479 | 0.00342 | 22.5358 | 319.3693 | 93.4286 | 13.75492 | 6.243 |
| 2025 Sep 07 17:56 | 2025 Sep 03 00:45:08 | 82.9479 | 0.00342 | 22.5358 | 319.3693 | 93.4286 | 13.75492 | 6.243 |
| 2025 Sep 06 20:41 | 2025 Sep 03 00:45:08 | 82.9479 | 0.00342 | 22.5358 | 319.3693 | 93.4286 | 13.75492 | 6.243 |
| 2025 Sep 03 17:57 | 2025 Sep 03 00:45:08 | 82.9479 | 0.00342 | 22.5358 | 319.3693 | 93.4286 | 13.75492 | 6.243 |
| 2025 Sep 02 17:56 | 2025 Aug 27 20:05:56 | 82.9480 | 0.00345 | 22.8417 | 337.0756 | 93.4286 | 13.75492 | 6.243 |
| 2025 Sep 01 17:56 | 2025 Aug 27 20:05:56 | 82.9480 | 0.00345 | 22.8417 | 337.0756 | 93.4286 | 13.75492 | 6.243 |
| 2025 Aug 31 17:56 | 2025 Aug 27 20:05:56 | 82.9480 | 0.00345 | 22.8417 | 337.0756 | 93.4286 | 13.75492 | 6.243 |
| 2025 Aug 30 17:56 | 2025 Aug 27 20:05:56 | 82.9480 | 0.00345 | 22.8417 | 337.0756 | 93.4286 | 13.75492 | 6.243 |
| 2025 Aug 29 17:56 | 2025 Aug 27 20:05:56 | 82.9480 | 0.00345 | 22.8417 | 337.0756 | 93.4286 | 13.75492 | 6.243 |
| 2025 Aug 28 17:57 | 2025 Aug 27 20:05:56 | 82.9480 | 0.00345 | 22.8417 | 337.0756 | 93.4286 | 13.75492 | 6.243 |
| 2025 Aug 27 17:56 | 2025 Aug 20 20:28:13 | 82.9475 | 0.00350 | 23.1867 | 356.7970 | 93.4286 | 13.75492 | 6.243 |
| 2025 Aug 26 17:56 | 2025 Aug 20 20:28:13 | 82.9475 | 0.00350 | 23.1867 | 356.7970 | 93.4286 | 13.75492 | 6.243 |
| 2025 Aug 25 17:56 | 2025 Aug 20 20:28:13 | 82.9475 | 0.00350 | 23.1867 | 356.7970 | 93.4286 | 13.75492 | 6.243 |
| 2025 Aug 24 17:56 | 2025 Aug 20 20:28:13 | 82.9475 | 0.00350 | 23.1867 | 356.7970 | 93.4286 | 13.75492 | 6.243 |
| 2025 Aug 23 17:56 | 2025 Aug 20 20:28:13 | 82.9475 | 0.00350 | 23.1867 | 356.7970 | 93.4286 | 13.75492 | 6.243 |
| 2025 Aug 22 17:56 | 2025 Aug 17 20:54:56 | 82.9473 | 0.00352 | 23.3340 | 5.1521 | 93.4286 | 13.75492 | 6.243 |
| 2025 Aug 20 17:56 | 2025 Aug 17 20:54:56 | 82.9473 | 0.00352 | 23.3340 | 5.1521 | 93.4286 | 13.75492 | 6.243 |