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 |
| 2026 Mar 17 18:56 | 2026 Mar 15 13:31:56 | 82.9466 | 0.00362 | 12.9699 | 136.1087 | 234.9979 | 13.75516 | 6.243 |
| 2026 Mar 16 18:57 | 2026 Mar 15 13:31:56 | 82.9466 | 0.00362 | 12.9699 | 136.1087 | 234.9979 | 13.75516 | 6.243 |
| 2026 Mar 15 18:56 | 2026 Mar 15 13:31:56 | 82.9466 | 0.00362 | 12.9699 | 136.1087 | 234.9979 | 13.75516 | 6.243 |
| 2026 Mar 14 18:56 | 2026 Mar 10 09:50:03 | 82.9459 | 0.00359 | 13.2245 | 150.1841 | 234.9979 | 13.75516 | 6.243 |
| 2026 Mar 13 18:57 | 2026 Mar 10 09:50:03 | 82.9459 | 0.00359 | 13.2245 | 150.1841 | 234.9979 | 13.75516 | 6.243 |
| 2026 Mar 12 18:57 | 2026 Mar 10 09:50:03 | 82.9459 | 0.00359 | 13.2245 | 150.1841 | 234.9979 | 13.75516 | 6.243 |
| 2026 Mar 11 18:56 | 2026 Mar 10 09:50:03 | 82.9459 | 0.00359 | 13.2245 | 150.1841 | 234.9979 | 13.75516 | 6.243 |
| 2026 Mar 10 18:56 | 2026 Mar 10 09:50:03 | 82.9459 | 0.00359 | 13.2245 | 150.1841 | 234.9979 | 13.75516 | 6.243 |
| 2026 Mar 09 18:56 | 2026 Mar 04 12:28:41 | 82.9448 | 0.00356 | 13.5154 | 166.3256 | 234.9979 | 13.75516 | 6.243 |
| 2026 Mar 08 18:57 | 2026 Mar 04 12:28:41 | 82.9448 | 0.00356 | 13.5154 | 166.3256 | 234.9979 | 13.75516 | 6.243 |
| 2026 Mar 07 18:57 | 2026 Mar 04 12:28:41 | 82.9448 | 0.00356 | 13.5154 | 166.3256 | 234.9979 | 13.75516 | 6.243 |
| 2026 Mar 06 18:56 | 2026 Mar 04 12:28:41 | 82.9448 | 0.00356 | 13.5154 | 166.3256 | 234.9979 | 13.75516 | 6.243 |
| 2026 Mar 05 18:56 | 2026 Mar 04 12:28:41 | 82.9448 | 0.00356 | 13.5154 | 166.3256 | 234.9979 | 13.75516 | 6.243 |
| 2026 Mar 04 18:57 | 2026 Mar 04 12:28:41 | 82.9448 | 0.00356 | 13.5154 | 166.3256 | 234.9979 | 13.75516 | 6.243 |
| 2026 Mar 03 18:56 | 2026 Feb 26 13:18:44 | 82.9438 | 0.00352 | 13.8102 | 182.7990 | 234.9979 | 13.75516 | 6.243 |
| 2026 Mar 02 18:57 | 2026 Feb 26 13:18:44 | 82.9438 | 0.00352 | 13.8102 | 182.7990 | 234.9979 | 13.75516 | 6.243 |
| 2026 Mar 01 18:57 | 2026 Feb 26 13:18:44 | 82.9438 | 0.00352 | 13.8102 | 182.7990 | 234.9979 | 13.75516 | 6.243 |
| 2026 Feb 28 18:56 | 2026 Feb 26 13:18:44 | 82.9438 | 0.00352 | 13.8102 | 182.7990 | 234.9979 | 13.75516 | 6.243 |
| 2026 Feb 27 19:05 | 2026 Feb 26 13:18:44 | 82.9438 | 0.00352 | 13.8102 | 182.7990 | 234.9979 | 13.75516 | 6.243 |
| 2026 Feb 26 20:45 | 2026 Feb 26 13:18:44 | 82.9438 | 0.00352 | 13.8102 | 182.7990 | 234.9979 | 13.75516 | 6.243 |