Orbital elements of USA 61
| Launched | 7 June 1990 |
| Flight ended | – |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | United States |
| NORAD ID | 20691 |
| 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 Aug 18 17:56 | 2026 Aug 12 23:15:49 | 63.2932 | 0.08790 | 3.9038 | 86.2729 | 283.8253 | 13.63369 | 5.243 |
| 2026 Aug 17 17:56 | 2026 Aug 12 23:15:49 | 63.2932 | 0.08790 | 3.9038 | 86.2729 | 283.8253 | 13.63369 | 5.243 |
| 2026 Aug 16 17:56 | 2026 Aug 12 23:15:49 | 63.2932 | 0.08790 | 3.9038 | 86.2729 | 283.8253 | 13.63369 | 5.243 |
| 2026 Aug 15 17:57 | 2026 Aug 12 23:15:49 | 63.2932 | 0.08790 | 3.9038 | 86.2729 | 283.8253 | 13.63369 | 5.243 |
| 2026 Aug 14 17:56 | 2026 Aug 12 23:15:49 | 63.2932 | 0.08790 | 3.9038 | 86.2729 | 283.8253 | 13.63369 | 5.243 |
| 2026 Aug 13 17:57 | 2026 Aug 12 23:15:49 | 63.2932 | 0.08790 | 3.9038 | 86.2729 | 283.8253 | 13.63369 | 5.243 |
| 2026 Aug 12 17:56 | 2026 Aug 07 00:40:25 | 63.2938 | 0.08790 | 4.9734 | 86.1507 | 283.8253 | 13.63369 | 5.243 |
| 2026 Aug 11 17:56 | 2026 Aug 07 00:40:25 | 63.2938 | 0.08790 | 4.9734 | 86.1507 | 283.8253 | 13.63369 | 5.243 |
| 2026 Aug 10 17:56 | 2026 Aug 07 00:40:25 | 63.2938 | 0.08790 | 4.9734 | 86.1507 | 283.8253 | 13.63369 | 5.243 |
| 2026 Aug 09 17:57 | 2026 Aug 07 00:40:25 | 63.2938 | 0.08790 | 4.9734 | 86.1507 | 283.8253 | 13.63369 | 5.243 |
| 2026 Aug 08 17:57 | 2026 Aug 07 00:40:25 | 63.2938 | 0.08790 | 4.9734 | 86.1507 | 283.8253 | 13.63369 | 5.243 |
| 2026 Aug 07 17:57 | 2026 Aug 07 00:40:25 | 63.2938 | 0.08790 | 4.9734 | 86.1507 | 283.8253 | 13.63369 | 5.243 |
| 2026 Aug 06 17:57 | 2026 Aug 01 02:04:38 | 63.2938 | 0.08792 | 6.0430 | 86.0354 | 283.8253 | 13.63369 | 5.243 |
| 2026 Aug 05 17:56 | 2026 Aug 01 02:04:38 | 63.2938 | 0.08792 | 6.0430 | 86.0354 | 283.8253 | 13.63369 | 5.243 |
| 2026 Aug 04 17:57 | 2026 Aug 01 02:04:38 | 63.2938 | 0.08792 | 6.0430 | 86.0354 | 283.8253 | 13.63369 | 5.243 |
| 2026 Aug 03 17:56 | 2026 Aug 01 02:04:38 | 63.2938 | 0.08792 | 6.0430 | 86.0354 | 283.8253 | 13.63369 | 5.243 |
| 2026 Aug 02 17:57 | 2026 Aug 01 02:04:38 | 63.2938 | 0.08792 | 6.0430 | 86.0354 | 283.8253 | 13.63369 | 5.243 |
| 2026 Aug 01 17:57 | 2026 Aug 01 02:04:38 | 63.2938 | 0.08792 | 6.0430 | 86.0354 | 283.8253 | 13.63369 | 5.243 |
| 2026 Jul 31 17:56 | 2026 Jul 27 02:21:34 | 63.2948 | 0.08794 | 6.9408 | 85.9356 | 283.8253 | 13.63369 | 5.243 |
| 2026 Jul 30 17:57 | 2026 Jul 27 02:21:34 | 63.2948 | 0.08794 | 6.9408 | 85.9356 | 283.8253 | 13.63369 | 5.243 |
| 2026 Jul 29 17:57 | 2026 Jul 27 02:21:34 | 63.2948 | 0.08794 | 6.9408 | 85.9356 | 283.8253 | 13.63369 | 5.243 |
| 2026 Jul 28 17:57 | 2026 Jul 27 02:21:34 | 63.2948 | 0.08794 | 6.9408 | 85.9356 | 283.8253 | 13.63369 | 5.243 |
| 2026 Jul 27 17:57 | 2026 Jul 27 02:21:34 | 63.2948 | 0.08794 | 6.9408 | 85.9356 | 283.8253 | 13.63369 | 5.243 |
| 2026 Jul 26 17:56 | 2026 Jul 21 05:30:24 | 63.2944 | 0.08797 | 7.9968 | 85.8215 | 283.8253 | 13.63369 | 5.243 |
| 2026 Jul 25 17:57 | 2026 Jul 21 05:30:24 | 63.2944 | 0.08797 | 7.9968 | 85.8215 | 283.8253 | 13.63369 | 5.243 |
| 2026 Jul 24 17:56 | 2026 Jul 21 05:30:24 | 63.2944 | 0.08797 | 7.9968 | 85.8215 | 283.8253 | 13.63369 | 5.243 |
| 2026 Jul 23 17:57 | 2026 Jul 21 05:30:24 | 63.2944 | 0.08797 | 7.9968 | 85.8215 | 283.8253 | 13.63369 | 5.243 |
| 2026 Jul 22 17:57 | 2026 Jul 21 05:30:24 | 63.2944 | 0.08797 | 7.9968 | 85.8215 | 283.8253 | 13.63369 | 5.243 |