Orbital elements of SIRIO
| Launched | 24 August 1977 |
| Flight ended | – |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | Italy |
| NORAD ID | 10294 |
| 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 May 03 17:57 | 2026 Apr 30 13:45:19 | 7.3299 | 0.00063 | 19.9687 | 151.4479 | 49.3779 | 1.00271 | – |
| 2026 May 02 17:57 | 2026 Apr 30 13:45:19 | 7.3299 | 0.00063 | 19.9687 | 151.4479 | 49.3779 | 1.00271 | – |
| 2026 May 01 17:56 | 2026 Apr 30 13:45:19 | 7.3299 | 0.00063 | 19.9687 | 151.4479 | 49.3779 | 1.00271 | – |
| 2026 Apr 30 17:56 | 2026 Apr 30 13:45:19 | 7.3299 | 0.00063 | 19.9687 | 151.4479 | 49.3779 | 1.00271 | – |
| 2026 Apr 29 17:57 | 2026 Apr 24 12:18:08 | 7.3436 | 0.00063 | 19.9715 | 150.7888 | 49.3779 | 1.00271 | – |
| 2026 Apr 28 17:56 | 2026 Apr 24 12:18:08 | 7.3436 | 0.00063 | 19.9715 | 150.7888 | 49.3779 | 1.00271 | – |
| 2026 Apr 27 17:58 | 2026 Apr 24 12:18:08 | 7.3436 | 0.00063 | 19.9715 | 150.7888 | 49.3779 | 1.00271 | – |
| 2026 Apr 26 17:58 | 2026 Apr 24 12:18:08 | 7.3436 | 0.00063 | 19.9715 | 150.7888 | 49.3779 | 1.00271 | – |
| 2026 Apr 25 17:58 | 2026 Apr 24 12:18:08 | 7.3436 | 0.00063 | 19.9715 | 150.7888 | 49.3779 | 1.00271 | – |
| 2026 Apr 24 17:59 | 2026 Apr 24 12:18:08 | 7.3436 | 0.00063 | 19.9715 | 150.7888 | 49.3779 | 1.00271 | – |
| 2026 Apr 23 17:57 | 2026 Apr 19 12:30:50 | 7.3545 | 0.00062 | 19.9740 | 150.0168 | 49.3779 | 1.00271 | – |
| 2026 Apr 22 17:57 | 2026 Apr 19 12:30:50 | 7.3545 | 0.00062 | 19.9740 | 150.0168 | 49.3779 | 1.00271 | – |
| 2026 Apr 21 17:57 | 2026 Apr 19 12:30:50 | 7.3545 | 0.00062 | 19.9740 | 150.0168 | 49.3779 | 1.00271 | – |
| 2026 Apr 20 17:57 | 2026 Apr 19 12:30:50 | 7.3545 | 0.00062 | 19.9740 | 150.0168 | 49.3779 | 1.00271 | – |
| 2026 Apr 19 17:58 | 2026 Apr 19 12:30:50 | 7.3545 | 0.00062 | 19.9740 | 150.0168 | 49.3779 | 1.00271 | – |
| 2026 Apr 18 17:56 | 2026 Apr 13 01:04:38 | 7.3690 | 0.00060 | 19.9771 | 149.3325 | 49.3779 | 1.00271 | – |
| 2026 Apr 16 17:57 | 2026 Apr 13 01:04:38 | 7.3690 | 0.00060 | 19.9771 | 149.3325 | 49.3779 | 1.00271 | – |
| 2026 Apr 14 17:57 | 2026 Apr 13 01:04:38 | 7.3690 | 0.00060 | 19.9771 | 149.3325 | 49.3779 | 1.00271 | – |
| 2026 Apr 13 17:57 | 2026 Apr 13 01:04:38 | 7.3690 | 0.00060 | 19.9771 | 149.3325 | 49.3779 | 1.00271 | – |
| 2026 Apr 12 17:57 | 2026 Apr 08 12:58:53 | 7.3792 | 0.00059 | 19.9792 | 149.2535 | 49.3779 | 1.00271 | – |
| 2026 Apr 11 17:57 | 2026 Apr 08 12:58:53 | 7.3792 | 0.00059 | 19.9792 | 149.2535 | 49.3779 | 1.00271 | – |
| 2026 Apr 10 17:58 | 2026 Apr 08 12:58:53 | 7.3792 | 0.00059 | 19.9792 | 149.2535 | 49.3779 | 1.00271 | – |
| 2026 Apr 09 18:01 | 2026 Apr 08 12:58:53 | 7.3792 | 0.00059 | 19.9792 | 149.2535 | 49.3779 | 1.00271 | – |
| 2026 Apr 08 17:57 | 2026 Apr 08 12:58:53 | 7.3792 | 0.00059 | 19.9792 | 149.2535 | 49.3779 | 1.00271 | – |
| 2026 Apr 07 17:57 | 2026 Apr 02 02:27:38 | 7.3938 | 0.00059 | 19.9822 | 149.2797 | 49.3779 | 1.00271 | – |
| 2026 Apr 06 17:57 | 2026 Apr 02 02:27:38 | 7.3938 | 0.00059 | 19.9822 | 149.2797 | 49.3779 | 1.00271 | – |