Orbital elements of SIRIUS W
| Launched | 26 August 1989 |
| Flight ended | – |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | Sweden |
| NORAD ID | 20193 |
| Alternative names |
MARCOPOLO 1 |
| 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 Nov 03 18:57 | 2025 Nov 02 00:44:15 | 14.7849 | 0.00015 | 0.1375 | 44.3558 | 326.8482 | 0.99188 | – |
| 2025 Nov 02 18:57 | 2025 Oct 27 23:14:56 | 14.7838 | 0.00015 | 0.1399 | 54.0515 | 326.8482 | 0.99188 | – |
| 2025 Nov 01 18:58 | 2025 Oct 27 23:14:56 | 14.7838 | 0.00015 | 0.1399 | 54.0515 | 326.8482 | 0.99188 | – |
| 2025 Oct 31 18:57 | 2025 Oct 27 23:14:56 | 14.7838 | 0.00015 | 0.1399 | 54.0515 | 326.8482 | 0.99188 | – |
| 2025 Oct 30 18:57 | 2025 Oct 27 23:14:56 | 14.7838 | 0.00015 | 0.1399 | 54.0515 | 326.8482 | 0.99188 | – |
| 2025 Oct 29 18:57 | 2025 Oct 27 23:14:56 | 14.7838 | 0.00015 | 0.1399 | 54.0515 | 326.8482 | 0.99188 | – |
| 2025 Oct 28 18:57 | 2025 Oct 23 21:44:38 | 14.7830 | 0.00015 | 0.1419 | 61.7444 | 326.8482 | 0.99188 | – |
| 2025 Oct 27 18:57 | 2025 Oct 23 21:44:38 | 14.7830 | 0.00015 | 0.1419 | 61.7444 | 326.8482 | 0.99188 | – |
| 2025 Oct 26 18:57 | 2025 Oct 23 21:44:38 | 14.7830 | 0.00015 | 0.1419 | 61.7444 | 326.8482 | 0.99188 | – |
| 2025 Oct 25 17:57 | 2025 Oct 23 21:44:38 | 14.7830 | 0.00015 | 0.1419 | 61.7444 | 326.8482 | 0.99188 | – |
| 2025 Oct 24 17:57 | 2025 Oct 23 21:44:38 | 14.7830 | 0.00015 | 0.1419 | 61.7444 | 326.8482 | 0.99188 | – |
| 2025 Oct 22 17:56 | 2025 Oct 17 21:58:08 | 14.7818 | 0.00018 | 0.1447 | 73.6038 | 326.8482 | 0.99188 | – |
| 2025 Oct 21 17:56 | 2025 Oct 17 21:58:08 | 14.7818 | 0.00018 | 0.1447 | 73.6038 | 326.8482 | 0.99188 | – |
| 2025 Oct 20 17:56 | 2025 Oct 17 21:58:08 | 14.7818 | 0.00018 | 0.1447 | 73.6038 | 326.8482 | 0.99188 | – |
| 2025 Oct 19 17:56 | 2025 Oct 17 21:58:08 | 14.7818 | 0.00018 | 0.1447 | 73.6038 | 326.8482 | 0.99188 | – |
| 2025 Oct 18 17:56 | 2025 Oct 17 21:58:08 | 14.7818 | 0.00018 | 0.1447 | 73.6038 | 326.8482 | 0.99188 | – |
| 2025 Oct 17 17:56 | 2025 Oct 07 11:15:43 | 14.7796 | 0.00022 | 0.1499 | 78.0805 | 326.8482 | 0.99188 | – |
| 2025 Oct 16 17:56 | 2025 Oct 07 11:15:43 | 14.7796 | 0.00022 | 0.1499 | 78.0805 | 326.8482 | 0.99188 | – |
| 2025 Oct 15 17:56 | 2025 Oct 07 11:15:43 | 14.7796 | 0.00022 | 0.1499 | 78.0805 | 326.8482 | 0.99188 | – |
| 2025 Oct 14 17:56 | 2025 Oct 07 11:15:43 | 14.7796 | 0.00022 | 0.1499 | 78.0805 | 326.8482 | 0.99188 | – |
| 2025 Oct 12 17:56 | 2025 Oct 07 11:15:43 | 14.7796 | 0.00022 | 0.1499 | 78.0805 | 326.8482 | 0.99188 | – |
| 2025 Oct 11 17:57 | 2025 Oct 07 11:15:43 | 14.7796 | 0.00022 | 0.1499 | 78.0805 | 326.8482 | 0.99188 | – |
| 2025 Oct 09 17:56 | 2025 Oct 07 11:15:43 | 14.7796 | 0.00022 | 0.1499 | 78.0805 | 326.8482 | 0.99188 | – |
| 2025 Oct 08 17:56 | 2025 Oct 07 11:15:43 | 14.7796 | 0.00022 | 0.1499 | 78.0805 | 326.8482 | 0.99188 | – |
| 2025 Oct 07 17:56 | 2025 Oct 07 11:15:43 | 14.7796 | 0.00022 | 0.1499 | 78.0805 | 326.8482 | 0.99188 | – |