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 |
| 2025 Sep 15 17:56 | 2025 Sep 15 02:24:00 | 7.8432 | 0.00070 | 20.0836 | 166.3352 | 358.1667 | 1.00274 | – |
| 2025 Sep 12 17:57 | 2025 Sep 03 02:38:28 | 7.8693 | 0.00070 | 20.0899 | 165.4502 | 358.1667 | 1.00274 | – |
| 2025 Sep 11 17:57 | 2025 Sep 03 02:38:28 | 7.8693 | 0.00070 | 20.0899 | 165.4502 | 358.1667 | 1.00274 | – |
| 2025 Sep 10 17:56 | 2025 Sep 03 02:38:28 | 7.8693 | 0.00070 | 20.0899 | 165.4502 | 358.1667 | 1.00274 | – |
| 2025 Sep 08 17:57 | 2025 Sep 03 02:38:28 | 7.8693 | 0.00070 | 20.0899 | 165.4502 | 358.1667 | 1.00274 | – |
| 2025 Sep 07 17:56 | 2025 Sep 03 02:38:28 | 7.8693 | 0.00070 | 20.0899 | 165.4502 | 358.1667 | 1.00274 | – |
| 2025 Sep 06 20:41 | 2025 Sep 03 02:38:28 | 7.8693 | 0.00070 | 20.0899 | 165.4502 | 358.1667 | 1.00274 | – |
| 2025 Sep 03 17:57 | 2025 Sep 03 02:38:28 | 7.8693 | 0.00070 | 20.0899 | 165.4502 | 358.1667 | 1.00274 | – |
| 2025 Sep 02 17:56 | 2025 Aug 27 21:24:37 | 7.8830 | 0.00072 | 20.0931 | 164.9870 | 358.1667 | 1.00274 | – |
| 2025 Sep 01 17:56 | 2025 Aug 27 21:24:37 | 7.8830 | 0.00072 | 20.0931 | 164.9870 | 358.1667 | 1.00274 | – |
| 2025 Aug 31 17:56 | 2025 Aug 27 21:24:37 | 7.8830 | 0.00072 | 20.0931 | 164.9870 | 358.1667 | 1.00274 | – |
| 2025 Aug 30 17:56 | 2025 Aug 27 21:24:37 | 7.8830 | 0.00072 | 20.0931 | 164.9870 | 358.1667 | 1.00274 | – |
| 2025 Aug 29 17:56 | 2025 Aug 27 21:24:37 | 7.8830 | 0.00072 | 20.0931 | 164.9870 | 358.1667 | 1.00274 | – |
| 2025 Aug 28 17:57 | 2025 Aug 27 21:24:37 | 7.8830 | 0.00072 | 20.0931 | 164.9870 | 358.1667 | 1.00274 | – |
| 2025 Aug 27 17:56 | 2025 Aug 21 18:17:17 | 7.8965 | 0.00074 | 20.0963 | 164.0962 | 358.1667 | 1.00274 | – |
| 2025 Aug 26 17:56 | 2025 Aug 21 18:17:17 | 7.8965 | 0.00074 | 20.0963 | 164.0962 | 358.1667 | 1.00274 | – |
| 2025 Aug 25 17:56 | 2025 Aug 21 18:17:17 | 7.8965 | 0.00074 | 20.0963 | 164.0962 | 358.1667 | 1.00274 | – |
| 2025 Aug 24 17:56 | 2025 Aug 21 18:17:17 | 7.8965 | 0.00074 | 20.0963 | 164.0962 | 358.1667 | 1.00274 | – |
| 2025 Aug 23 17:56 | 2025 Aug 21 18:17:17 | 7.8965 | 0.00074 | 20.0963 | 164.0962 | 358.1667 | 1.00274 | – |
| 2025 Aug 22 17:56 | 2025 Aug 17 18:21:35 | 7.9051 | 0.00074 | 20.0985 | 163.4116 | 358.1667 | 1.00274 | – |