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 |
| 2026 Jul 13 17:56 | 2026 Jul 11 05:08:23 | 82.0379 | 0.05018 | 17.9826 | 158.1132 | 204.2331 | 14.01684 | 7.243 |
| 2026 Jul 12 17:56 | 2026 Jul 11 05:08:23 | 82.0379 | 0.05018 | 17.9826 | 158.1132 | 204.2331 | 14.01684 | 7.243 |
| 2026 Jul 11 17:56 | 2026 Jul 11 05:08:23 | 82.0379 | 0.05018 | 17.9826 | 158.1132 | 204.2331 | 14.01684 | 7.243 |
| 2026 Jul 09 17:56 | 2026 Jul 05 05:13:19 | 82.0380 | 0.05014 | 18.3335 | 175.2979 | 204.2331 | 14.01684 | 7.243 |
| 2026 Jul 08 17:56 | 2026 Jul 05 05:13:19 | 82.0380 | 0.05014 | 18.3335 | 175.2979 | 204.2331 | 14.01684 | 7.243 |
| 2026 Jul 07 17:56 | 2026 Jul 05 05:13:19 | 82.0380 | 0.05014 | 18.3335 | 175.2979 | 204.2331 | 14.01684 | 7.243 |
| 2026 Jul 06 17:57 | 2026 Jul 05 05:13:19 | 82.0380 | 0.05014 | 18.3335 | 175.2979 | 204.2331 | 14.01684 | 7.243 |
| 2026 Jul 05 17:56 | 2026 Jul 05 05:13:19 | 82.0380 | 0.05014 | 18.3335 | 175.2979 | 204.2331 | 14.01684 | 7.243 |
| 2026 Jul 04 17:56 | 2026 Jun 29 08:43:43 | 82.0390 | 0.05010 | 18.6760 | 192.0762 | 204.2331 | 14.01684 | 7.243 |
| 2026 Jul 03 17:57 | 2026 Jun 29 08:43:43 | 82.0390 | 0.05010 | 18.6760 | 192.0762 | 204.2331 | 14.01684 | 7.243 |
| 2026 Jul 02 17:56 | 2026 Jun 29 08:43:43 | 82.0390 | 0.05010 | 18.6760 | 192.0762 | 204.2331 | 14.01684 | 7.243 |
| 2026 Jul 01 17:56 | 2026 Jun 29 08:43:43 | 82.0390 | 0.05010 | 18.6760 | 192.0762 | 204.2331 | 14.01684 | 7.243 |
| 2026 Jun 30 17:56 | 2026 Jun 29 08:43:43 | 82.0390 | 0.05010 | 18.6760 | 192.0762 | 204.2331 | 14.01684 | 7.243 |
| 2026 Jun 29 17:57 | 2026 Jun 29 08:43:43 | 82.0390 | 0.05010 | 18.6760 | 192.0762 | 204.2331 | 14.01684 | 7.243 |
| 2026 Jun 28 17:56 | 2026 Jun 22 13:57:35 | 82.0389 | 0.05007 | 19.0729 | 211.5336 | 204.2331 | 14.01684 | 7.243 |
| 2026 Jun 27 17:55 | 2026 Jun 22 13:57:35 | 82.0389 | 0.05007 | 19.0729 | 211.5336 | 204.2331 | 14.01684 | 7.243 |
| 2026 Jun 26 17:56 | 2026 Jun 22 13:57:35 | 82.0389 | 0.05007 | 19.0729 | 211.5336 | 204.2331 | 14.01684 | 7.243 |
| 2026 Jun 25 17:56 | 2026 Jun 22 13:57:35 | 82.0389 | 0.05007 | 19.0729 | 211.5336 | 204.2331 | 14.01684 | 7.243 |
| 2026 Jun 24 17:55 | 2026 Jun 22 13:57:35 | 82.0389 | 0.05007 | 19.0729 | 211.5336 | 204.2331 | 14.01684 | 7.243 |
| 2026 Jun 23 17:56 | 2026 Jun 22 13:57:35 | 82.0389 | 0.05007 | 19.0729 | 211.5336 | 204.2331 | 14.01684 | 7.243 |
| 2026 Jun 22 17:56 | 2026 Jun 17 10:35:51 | 82.0385 | 0.05005 | 19.3737 | 226.3059 | 204.2331 | 14.01684 | 7.243 |
| 2026 Jun 21 17:57 | 2026 Jun 17 10:35:51 | 82.0385 | 0.05005 | 19.3737 | 226.3059 | 204.2331 | 14.01684 | 7.243 |
| 2026 Jun 20 17:56 | 2026 Jun 17 10:35:51 | 82.0385 | 0.05005 | 19.3737 | 226.3059 | 204.2331 | 14.01684 | 7.243 |
| 2026 Jun 19 17:57 | 2026 Jun 17 10:35:51 | 82.0385 | 0.05005 | 19.3737 | 226.3059 | 204.2331 | 14.01684 | 7.243 |
| 2026 Jun 18 17:56 | 2026 Jun 17 10:35:51 | 82.0385 | 0.05005 | 19.3737 | 226.3059 | 204.2331 | 14.01684 | 7.243 |
| 2026 Jun 17 17:57 | 2026 Jun 17 10:35:51 | 82.0385 | 0.05005 | 19.3737 | 226.3059 | 204.2331 | 14.01684 | 7.243 |
| 2026 Jun 16 17:55 | 2026 Jun 12 07:14:10 | 82.0386 | 0.05002 | 19.6745 | 241.0791 | 204.2331 | 14.01684 | 7.243 |