Orbital elements of SBIRS GEO-4
| Launched | 20 January 2017 |
| Flight ended | – |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | United States |
| NORAD ID | 41937 |
| Alternative names |
USA 273 |
| 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 May 09 17:57 | 2025 May 08 23:35:36 | 1.5969 | 0.00018 | 1.6783 | 2.1059 | 343.6343 | 1.00004 | – |
| 2025 May 08 17:56 | 2025 May 07 21:54:06 | 1.5957 | 0.00018 | 1.6737 | 359.3704 | 343.6343 | 1.00004 | – |
| 2025 May 07 17:56 | 2025 May 06 21:54:55 | 1.5947 | 0.00018 | 1.6695 | 356.8950 | 343.6343 | 1.00004 | – |
| 2025 May 06 17:57 | 2025 May 05 20:13:01 | 1.5934 | 0.00018 | 1.6649 | 354.2767 | 343.6343 | 1.00004 | – |
| 2025 May 05 17:56 | 2025 May 05 13:55:49 | 1.5934 | 0.00018 | 1.6643 | 353.5824 | 343.6343 | 1.00004 | – |
| 2025 May 04 17:57 | 2025 May 04 12:23:38 | 1.5922 | 0.00018 | 1.6591 | 351.2789 | 343.6343 | 1.00004 | – |
| 2025 May 03 17:57 | 2025 May 03 05:35:57 | 1.5904 | 0.00018 | 1.6532 | 348.6029 | 343.6343 | 1.00004 | – |
| 2025 May 02 17:57 | 2025 May 01 20:16:30 | 1.5887 | 0.00018 | 1.6459 | 346.9379 | 343.6343 | 1.00004 | – |
| 2025 May 01 17:56 | 2025 Apr 29 04:02:21 | 1.5854 | 0.00018 | 1.6331 | 346.4193 | 343.6343 | 1.00004 | – |
| 2025 Apr 30 17:56 | 2025 Apr 29 04:02:21 | 1.5854 | 0.00018 | 1.6331 | 346.4193 | 343.6343 | 1.00004 | – |
| 2025 Apr 29 17:57 | 2025 Apr 29 04:02:21 | 1.5854 | 0.00018 | 1.6331 | 346.4193 | 343.6343 | 1.00004 | – |
| 2025 Apr 27 17:56 | 2025 Apr 26 15:21:38 | 1.5822 | 0.00018 | 1.6199 | 349.0396 | 343.6343 | 1.00004 | – |
| 2025 Apr 26 17:57 | 2025 Apr 26 13:07:28 | 1.5823 | 0.00018 | 1.6192 | 349.1080 | 343.6343 | 1.00004 | – |
| 2025 Apr 25 17:56 | 2025 Apr 24 18:39:47 | 1.5797 | 0.00019 | 1.6097 | 350.7885 | 343.6343 | 1.00004 | – |
| 2025 Apr 24 17:56 | 2025 Apr 24 03:14:40 | 1.5790 | 0.00019 | 1.6070 | 351.4189 | 343.6343 | 1.00004 | – |
| 2025 Apr 23 17:57 | 2025 Apr 22 18:41:28 | 1.5772 | 0.00019 | 1.5999 | 352.5735 | 343.6343 | 1.00004 | – |
| 2025 Apr 22 17:56 | 2025 Apr 21 19:42:38 | 1.5762 | 0.00020 | 1.5951 | 353.1693 | 343.6343 | 1.00004 | – |
| 2025 Apr 21 17:57 | 2025 Apr 20 20:26:07 | 1.5752 | 0.00020 | 1.5905 | 353.3933 | 343.6343 | 1.00004 | – |
| 2025 Apr 20 17:56 | 2025 Apr 19 20:26:52 | 1.5741 | 0.00020 | 1.5858 | 353.1305 | 343.6343 | 1.00004 | – |
| 2025 Apr 19 17:56 | 2025 Apr 19 12:36:38 | 1.5740 | 0.00020 | 1.5847 | 352.6746 | 343.6343 | 1.00004 | – |
| 2025 Apr 18 17:57 | 2025 Apr 18 03:42:38 | 1.5724 | 0.00021 | 1.5790 | 351.5067 | 343.6343 | 1.00004 | – |
| 2025 Apr 17 17:56 | 2025 Apr 17 03:20:50 | 1.5714 | 0.00021 | 1.5746 | 350.2535 | 343.6343 | 1.00004 | – |
| 2025 Apr 16 17:57 | 2025 Apr 15 20:30:19 | 1.5700 | 0.00021 | 1.5684 | 348.2851 | 343.6343 | 1.00004 | – |
| 2025 Apr 15 17:56 | 2025 Apr 14 20:30:59 | 1.5690 | 0.00021 | 1.5642 | 346.3396 | 343.6343 | 1.00004 | – |
| 2025 Apr 14 17:56 | 2025 Apr 13 20:31:41 | 1.5680 | 0.00022 | 1.5601 | 344.3125 | 343.6343 | 1.00004 | – |