Orbital elements of STARLINK-1991
| Launched | 3 February 2021 |
| Flight ended | – |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | United States |
| NORAD ID | 47587 |
| 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 20 17:56 | 2025 Oct 20 06:45:02 | 53.0538 | 0.00018 | 18.7959 | 77.6266 | 282.4927 | 15.06369 | 5.500 |
| 2025 Oct 19 17:56 | 2025 Oct 19 06:51:54 | 53.0547 | 0.00017 | 19.0939 | 89.2840 | 282.4927 | 15.06369 | 5.500 |
| 2025 Oct 18 17:56 | 2025 Oct 18 06:58:49 | 53.0545 | 0.00016 | 19.3916 | 87.6285 | 282.4927 | 15.06369 | 5.500 |
| 2025 Oct 17 17:56 | 2025 Oct 17 03:54:39 | 53.0543 | 0.00015 | 19.7291 | 85.0034 | 282.4927 | 15.06369 | 5.500 |
| 2025 Oct 16 17:56 | 2025 Oct 16 00:50:29 | 53.0548 | 0.00015 | 20.0668 | 82.8129 | 282.4927 | 15.06369 | 5.500 |
| 2025 Oct 15 17:56 | 2025 Oct 14 18:35:14 | 53.0544 | 0.00016 | 20.4440 | 83.9413 | 282.4927 | 15.06369 | 5.500 |
| 2025 Oct 14 17:56 | 2025 Oct 13 18:42:08 | 53.0523 | 0.00014 | 20.7417 | 79.2115 | 282.4927 | 15.06369 | 5.500 |
| 2025 Oct 12 17:56 | 2025 Oct 12 07:40:16 | 53.0542 | 0.00015 | 21.1788 | 88.1864 | 282.4927 | 15.06369 | 5.500 |
| 2025 Oct 11 17:57 | 2025 Oct 11 07:47:10 | 53.0538 | 0.00014 | 21.4766 | 84.1357 | 282.4927 | 15.06369 | 5.500 |
| 2025 Oct 09 17:56 | 2025 Oct 09 03:14:21 | 53.0554 | 0.00014 | 22.1319 | 92.9224 | 282.4927 | 15.06369 | 5.500 |
| 2025 Oct 08 17:56 | 2025 Oct 08 11:18:59 | 53.0544 | 0.00013 | 22.3304 | 93.7373 | 282.4927 | 15.06369 | 5.500 |
| 2025 Oct 07 17:56 | 2025 Oct 07 05:03:44 | 53.0554 | 0.00014 | 22.7079 | 104.5816 | 282.4927 | 15.06369 | 5.500 |
| 2025 Oct 05 17:56 | 2025 Oct 05 11:39:41 | 53.0552 | 0.00013 | 23.2239 | 81.3810 | 282.4927 | 15.06369 | 5.500 |
| 2025 Oct 04 17:57 | 2025 Oct 04 11:46:36 | 53.0551 | 0.00013 | 23.5218 | 85.1199 | 282.4927 | 15.06369 | 5.500 |
| 2025 Oct 03 17:57 | 2025 Oct 03 05:31:22 | 53.0551 | 0.00015 | 23.8992 | 99.0584 | 282.4927 | 15.06369 | 5.500 |
| 2025 Oct 02 17:56 | 2025 Oct 01 23:16:05 | 53.0551 | 0.00016 | 0.2763 | 99.0898 | 282.4927 | 15.06369 | 5.500 |
| 2025 Sep 30 17:56 | 2025 Sep 30 12:14:11 | 53.0558 | 0.00013 | 0.7131 | 88.5640 | 282.4927 | 15.06369 | 5.500 |
| 2025 Sep 29 17:56 | 2025 Sep 28 07:41:26 | 53.0564 | 0.00017 | 1.3686 | 51.9132 | 282.4927 | 15.06369 | 5.500 |
| 2025 Sep 28 17:56 | 2025 Sep 27 14:10:29 | 53.0566 | 0.00013 | 1.5869 | 66.2838 | 282.4927 | 15.06369 | 5.500 |
| 2025 Sep 27 17:56 | 2025 Sep 26 17:28:28 | 53.0570 | 0.00011 | 1.8448 | 85.2163 | 282.4927 | 15.06369 | 5.500 |
| 2025 Sep 26 17:56 | 2025 Sep 25 15:59:48 | 53.0564 | 0.00013 | 2.1625 | 80.5138 | 282.4927 | 15.06369 | 5.500 |
| 2025 Sep 25 17:56 | 2025 Sep 25 08:02:06 | 53.0567 | 0.00012 | 2.2617 | 106.6620 | 282.4927 | 15.06369 | 5.500 |
| 2025 Sep 24 17:56 | 2025 Sep 24 01:46:52 | 53.0556 | 0.00012 | 2.6390 | 80.3595 | 282.4927 | 15.06369 | 5.500 |