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 Mar 04 18:57 | 2026 Mar 04 15:41:28 | 7.4569 | 0.00055 | 19.9959 | 149.2151 | 24.3453 | 1.00271 | – |
| 2026 Mar 03 18:56 | 2026 Feb 25 18:05:21 | 7.4719 | 0.00054 | 19.9993 | 149.2911 | 24.3453 | 1.00271 | – |
| 2026 Mar 02 18:57 | 2026 Feb 25 18:05:21 | 7.4719 | 0.00054 | 19.9993 | 149.2911 | 24.3453 | 1.00271 | – |
| 2026 Mar 01 18:57 | 2026 Feb 25 18:05:21 | 7.4719 | 0.00054 | 19.9993 | 149.2911 | 24.3453 | 1.00271 | – |
| 2026 Feb 28 18:56 | 2026 Feb 25 18:05:21 | 7.4719 | 0.00054 | 19.9993 | 149.2911 | 24.3453 | 1.00271 | – |
| 2026 Feb 27 19:05 | 2026 Feb 25 18:05:21 | 7.4719 | 0.00054 | 19.9993 | 149.2911 | 24.3453 | 1.00271 | – |
| 2026 Feb 26 20:45 | 2026 Feb 25 18:05:21 | 7.4719 | 0.00054 | 19.9993 | 149.2911 | 24.3453 | 1.00271 | – |
| 2026 Feb 05 18:58 | 2026 Feb 02 12:44:04 | 7.5237 | 0.00051 | 20.0111 | 152.3994 | 24.3453 | 1.00271 | – |