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 Oct 25 17:57 | 2025 Oct 23 20:29:57 | 7.7564 | 0.00060 | 20.0639 | 168.1747 | 306.5102 | 1.00273 | – |
| 2025 Oct 24 17:57 | 2025 Oct 23 20:29:57 | 7.7564 | 0.00060 | 20.0639 | 168.1747 | 306.5102 | 1.00273 | – |
| 2025 Oct 22 17:56 | 2025 Oct 17 23:56:58 | 7.7700 | 0.00062 | 20.0668 | 168.1331 | 306.5102 | 1.00273 | – |
| 2025 Oct 21 17:56 | 2025 Oct 17 23:56:58 | 7.7700 | 0.00062 | 20.0668 | 168.1331 | 306.5102 | 1.00273 | – |
| 2025 Oct 20 17:56 | 2025 Oct 17 23:56:58 | 7.7700 | 0.00062 | 20.0668 | 168.1331 | 306.5102 | 1.00273 | – |
| 2025 Oct 19 17:56 | 2025 Oct 17 23:56:58 | 7.7700 | 0.00062 | 20.0668 | 168.1331 | 306.5102 | 1.00273 | – |
| 2025 Oct 18 17:56 | 2025 Oct 17 23:56:58 | 7.7700 | 0.00062 | 20.0668 | 168.1331 | 306.5102 | 1.00273 | – |
| 2025 Oct 17 17:56 | 2025 Oct 07 15:39:31 | 7.7930 | 0.00064 | 20.0721 | 167.5599 | 306.5102 | 1.00273 | – |
| 2025 Oct 16 17:56 | 2025 Oct 07 15:39:31 | 7.7930 | 0.00064 | 20.0721 | 167.5599 | 306.5102 | 1.00273 | – |
| 2025 Oct 15 17:56 | 2025 Oct 07 15:39:31 | 7.7930 | 0.00064 | 20.0721 | 167.5599 | 306.5102 | 1.00273 | – |
| 2025 Oct 14 17:56 | 2025 Oct 07 15:39:31 | 7.7930 | 0.00064 | 20.0721 | 167.5599 | 306.5102 | 1.00273 | – |
| 2025 Oct 12 17:56 | 2025 Oct 07 15:39:31 | 7.7930 | 0.00064 | 20.0721 | 167.5599 | 306.5102 | 1.00273 | – |
| 2025 Oct 11 17:57 | 2025 Oct 07 15:39:31 | 7.7930 | 0.00064 | 20.0721 | 167.5599 | 306.5102 | 1.00273 | – |
| 2025 Oct 09 17:56 | 2025 Oct 07 15:39:31 | 7.7930 | 0.00064 | 20.0721 | 167.5599 | 306.5102 | 1.00273 | – |
| 2025 Oct 08 17:56 | 2025 Oct 07 15:39:31 | 7.7930 | 0.00064 | 20.0721 | 167.5599 | 306.5102 | 1.00273 | – |
| 2025 Oct 07 17:56 | 2025 Oct 07 15:39:31 | 7.7930 | 0.00064 | 20.0721 | 167.5599 | 306.5102 | 1.00273 | – |
| 2025 Oct 05 17:56 | 2025 Sep 26 04:12:21 | 7.8186 | 0.00066 | 20.0779 | 167.4344 | 306.5102 | 1.00273 | – |
| 2025 Oct 04 17:57 | 2025 Sep 26 04:12:21 | 7.8186 | 0.00066 | 20.0779 | 167.4344 | 306.5102 | 1.00273 | – |
| 2025 Oct 03 17:57 | 2025 Sep 26 04:12:21 | 7.8186 | 0.00066 | 20.0779 | 167.4344 | 306.5102 | 1.00273 | – |
| 2025 Oct 02 17:56 | 2025 Sep 26 04:12:21 | 7.8186 | 0.00066 | 20.0779 | 167.4344 | 306.5102 | 1.00273 | – |
| 2025 Sep 30 17:56 | 2025 Sep 26 04:12:21 | 7.8186 | 0.00066 | 20.0779 | 167.4344 | 306.5102 | 1.00273 | – |
| 2025 Sep 29 17:56 | 2025 Sep 26 04:12:21 | 7.8186 | 0.00066 | 20.0779 | 167.4344 | 306.5102 | 1.00273 | – |
| 2025 Sep 28 17:56 | 2025 Sep 26 04:12:21 | 7.8186 | 0.00066 | 20.0779 | 167.4344 | 306.5102 | 1.00273 | – |