Orbital elements of PROSPERO
| Launched | 27 October 1971 |
| Flight ended | – |
| Launch site | Woomera, Australia |
| Owner | United Kingdom |
| NORAD ID | 5580 |
| Alternative names |
BLACK ARROW |
| 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 Dec 15 18:58 | 2025 Dec 12 07:26:03 | 82.0386 | 0.05038 | 6.3208 | 42.9504 | 320.9866 | 14.01139 | 7.243 |
| 2025 Dec 14 18:56 | 2025 Dec 12 07:26:03 | 82.0386 | 0.05038 | 6.3208 | 42.9504 | 320.9866 | 14.01139 | 7.243 |
| 2025 Dec 13 18:56 | 2025 Dec 12 07:26:03 | 82.0386 | 0.05038 | 6.3208 | 42.9504 | 320.9866 | 14.01139 | 7.243 |
| 2025 Dec 12 18:57 | 2025 Dec 12 07:26:03 | 82.0386 | 0.05038 | 6.3208 | 42.9504 | 320.9866 | 14.01139 | 7.243 |
| 2025 Dec 11 18:56 | 2025 Dec 07 02:19:34 | 82.0388 | 0.05040 | 6.6255 | 57.8547 | 320.9866 | 14.01139 | 7.243 |
| 2025 Dec 10 18:56 | 2025 Dec 07 02:19:34 | 82.0388 | 0.05040 | 6.6255 | 57.8547 | 320.9866 | 14.01139 | 7.243 |
| 2025 Dec 09 18:56 | 2025 Dec 07 02:19:34 | 82.0388 | 0.05040 | 6.6255 | 57.8547 | 320.9866 | 14.01139 | 7.243 |
| 2025 Dec 08 18:56 | 2025 Dec 07 02:19:34 | 82.0388 | 0.05040 | 6.6255 | 57.8547 | 320.9866 | 14.01139 | 7.243 |
| 2025 Dec 07 18:56 | 2025 Dec 07 02:19:34 | 82.0388 | 0.05040 | 6.6255 | 57.8547 | 320.9866 | 14.01139 | 7.243 |
| 2025 Dec 06 18:56 | 2025 Dec 02 10:55:34 | 82.0383 | 0.05042 | 6.8967 | 71.1232 | 320.9866 | 14.01139 | 7.243 |
| 2025 Dec 05 18:57 | 2025 Dec 02 10:55:34 | 82.0383 | 0.05042 | 6.8967 | 71.1232 | 320.9866 | 14.01139 | 7.243 |
| 2025 Dec 04 18:57 | 2025 Dec 02 10:55:34 | 82.0383 | 0.05042 | 6.8967 | 71.1232 | 320.9866 | 14.01139 | 7.243 |
| 2025 Dec 03 18:56 | 2025 Dec 02 10:55:34 | 82.0383 | 0.05042 | 6.8967 | 71.1232 | 320.9866 | 14.01139 | 7.243 |
| 2025 Dec 02 18:56 | 2025 Dec 02 10:55:34 | 82.0383 | 0.05042 | 6.8967 | 71.1232 | 320.9866 | 14.01139 | 7.243 |
| 2025 Nov 30 18:57 | 2025 Nov 25 10:57:51 | 82.0371 | 0.05044 | 7.3058 | 91.1356 | 320.9866 | 14.01139 | 7.243 |
| 2025 Nov 29 18:56 | 2025 Nov 25 10:57:51 | 82.0371 | 0.05044 | 7.3058 | 91.1356 | 320.9866 | 14.01139 | 7.243 |
| 2025 Nov 28 18:57 | 2025 Nov 25 10:57:51 | 82.0371 | 0.05044 | 7.3058 | 91.1356 | 320.9866 | 14.01139 | 7.243 |
| 2025 Nov 27 18:57 | 2025 Nov 25 10:57:51 | 82.0371 | 0.05044 | 7.3058 | 91.1356 | 320.9866 | 14.01139 | 7.243 |
| 2025 Nov 26 18:57 | 2025 Nov 25 10:57:51 | 82.0371 | 0.05044 | 7.3058 | 91.1356 | 320.9866 | 14.01139 | 7.243 |
| 2025 Nov 25 18:57 | 2025 Nov 25 10:57:51 | 82.0371 | 0.05044 | 7.3058 | 91.1356 | 320.9866 | 14.01139 | 7.243 |
| 2025 Nov 24 18:56 | 2025 Nov 20 04:07:55 | 82.0362 | 0.05043 | 7.6147 | 106.2465 | 320.9866 | 14.01139 | 7.243 |
| 2025 Nov 23 18:57 | 2025 Nov 20 04:07:55 | 82.0362 | 0.05043 | 7.6147 | 106.2465 | 320.9866 | 14.01139 | 7.243 |
| 2025 Nov 21 18:57 | 2025 Nov 20 04:07:55 | 82.0362 | 0.05043 | 7.6147 | 106.2465 | 320.9866 | 14.01139 | 7.243 |
| 2025 Nov 20 18:56 | 2025 Nov 20 04:07:55 | 82.0362 | 0.05043 | 7.6147 | 106.2465 | 320.9866 | 14.01139 | 7.243 |
| 2025 Nov 18 18:57 | 2025 Nov 08 17:53:06 | 82.0353 | 0.05044 | 8.2826 | 138.9163 | 320.9866 | 14.01139 | 7.243 |