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 Jun 02 17:58 | 2025 Jun 01 14:24:16 | 8.0759 | 0.00078 | 20.1418 | 153.3289 | 85.7092 | 1.00274 | – |
| 2025 Jun 01 17:56 | 2025 Jun 01 14:24:16 | 8.0759 | 0.00078 | 20.1418 | 153.3289 | 85.7092 | 1.00274 | – |
| 2025 May 31 17:56 | 2025 May 25 17:09:02 | 8.0912 | 0.00078 | 20.1458 | 152.0043 | 85.7092 | 1.00274 | – |
| 2025 May 30 17:56 | 2025 May 25 17:09:02 | 8.0912 | 0.00078 | 20.1458 | 152.0043 | 85.7092 | 1.00274 | – |
| 2025 May 29 17:56 | 2025 May 25 17:09:02 | 8.0912 | 0.00078 | 20.1458 | 152.0043 | 85.7092 | 1.00274 | – |
| 2025 May 28 17:56 | 2025 May 25 17:09:02 | 8.0912 | 0.00078 | 20.1458 | 152.0043 | 85.7092 | 1.00274 | – |
| 2025 May 27 17:57 | 2025 May 25 17:09:02 | 8.0912 | 0.00078 | 20.1458 | 152.0043 | 85.7092 | 1.00274 | – |
| 2025 May 26 17:56 | 2025 May 25 17:09:02 | 8.0912 | 0.00078 | 20.1458 | 152.0043 | 85.7092 | 1.00274 | – |
| 2025 May 25 17:56 | 2025 May 20 21:34:15 | 8.1020 | 0.00077 | 20.1485 | 151.2417 | 85.7092 | 1.00274 | – |
| 2025 May 24 17:57 | 2025 May 20 21:34:15 | 8.1020 | 0.00077 | 20.1485 | 151.2417 | 85.7092 | 1.00274 | – |
| 2025 May 23 17:56 | 2025 May 20 21:34:15 | 8.1020 | 0.00077 | 20.1485 | 151.2417 | 85.7092 | 1.00274 | – |
| 2025 May 22 17:56 | 2025 May 20 21:34:15 | 8.1020 | 0.00077 | 20.1485 | 151.2417 | 85.7092 | 1.00274 | – |
| 2025 May 21 17:56 | 2025 May 20 21:34:15 | 8.1020 | 0.00077 | 20.1485 | 151.2417 | 85.7092 | 1.00274 | – |
| 2025 May 20 17:56 | 2025 May 15 14:29:45 | 8.1141 | 0.00076 | 20.1514 | 150.7891 | 85.7092 | 1.00274 | – |
| 2025 May 19 17:56 | 2025 May 15 14:29:45 | 8.1141 | 0.00076 | 20.1514 | 150.7891 | 85.7092 | 1.00274 | – |
| 2025 May 18 17:57 | 2025 May 15 14:29:45 | 8.1141 | 0.00076 | 20.1514 | 150.7891 | 85.7092 | 1.00274 | – |
| 2025 May 17 17:57 | 2025 May 15 14:29:45 | 8.1141 | 0.00076 | 20.1514 | 150.7891 | 85.7092 | 1.00274 | – |
| 2025 May 16 17:56 | 2025 May 15 14:29:45 | 8.1141 | 0.00076 | 20.1514 | 150.7891 | 85.7092 | 1.00274 | – |
| 2025 May 15 17:57 | 2025 May 15 14:29:45 | 8.1141 | 0.00076 | 20.1514 | 150.7891 | 85.7092 | 1.00274 | – |
| 2025 May 14 17:56 | 2025 May 09 00:57:11 | 8.1295 | 0.00076 | 20.1549 | 150.3225 | 85.7092 | 1.00274 | – |
| 2025 May 13 17:56 | 2025 May 09 00:57:11 | 8.1295 | 0.00076 | 20.1549 | 150.3225 | 85.7092 | 1.00274 | – |
| 2025 May 12 17:56 | 2025 May 09 00:57:11 | 8.1295 | 0.00076 | 20.1549 | 150.3225 | 85.7092 | 1.00274 | – |
| 2025 May 11 17:56 | 2025 May 09 00:57:11 | 8.1295 | 0.00076 | 20.1549 | 150.3225 | 85.7092 | 1.00274 | – |
| 2025 May 10 17:56 | 2025 May 09 00:57:11 | 8.1295 | 0.00076 | 20.1549 | 150.3225 | 85.7092 | 1.00274 | – |
| 2025 May 09 17:57 | 2025 May 09 00:57:11 | 8.1295 | 0.00076 | 20.1549 | 150.3225 | 85.7092 | 1.00274 | – |
| 2025 May 08 17:56 | 2025 May 03 01:00:50 | 8.1431 | 0.00076 | 20.1581 | 149.6761 | 85.7092 | 1.00274 | – |
| 2025 May 07 17:56 | 2025 May 03 01:00:50 | 8.1431 | 0.00076 | 20.1581 | 149.6761 | 85.7092 | 1.00274 | – |
| 2025 May 06 17:57 | 2025 May 03 01:00:50 | 8.1431 | 0.00076 | 20.1581 | 149.6761 | 85.7092 | 1.00274 | – |