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 |
| 2026 Jul 26 17:56 | 2026 Jul 26 02:02:38 | 2.3164 | 0.00029 | 2.9491 | 69.8745 | 242.2938 | 1.00279 | – |
| 2026 Jul 25 17:57 | 2026 Jul 23 20:51:38 | 2.3124 | 0.00029 | 2.9465 | 68.5491 | 242.2938 | 1.00279 | – |
| 2026 Jul 24 17:56 | 2026 Jul 23 20:51:38 | 2.3124 | 0.00029 | 2.9465 | 68.5491 | 242.2938 | 1.00279 | – |
| 2026 Jul 23 17:57 | 2026 Jul 23 06:14:42 | 2.3115 | 0.00029 | 2.9456 | 68.4286 | 242.2938 | 1.00279 | – |
| 2026 Jul 22 17:57 | 2026 Jul 22 06:17:32 | 2.3096 | 0.00029 | 2.9443 | 67.9923 | 242.2938 | 1.00279 | – |
| 2026 Jul 21 17:57 | 2026 Jul 21 06:20:26 | 2.3080 | 0.00029 | 2.9429 | 67.2010 | 242.2938 | 1.00279 | – |
| 2026 Jul 20 17:57 | 2026 Jul 20 06:23:18 | 2.3062 | 0.00028 | 2.9414 | 67.8259 | 242.2938 | 1.00279 | – |
| 2026 Jul 19 19:06 | 2026 Jul 19 13:16:53 | 2.3046 | 0.00028 | 2.9401 | 66.6420 | 242.2938 | 1.00279 | – |
| 2026 Jul 19 17:57 | 2026 Jul 19 06:26:14 | 2.3043 | 0.00028 | 2.9398 | 66.6760 | 242.2938 | 1.00279 | – |
| 2026 Jul 18 17:57 | 2026 Jul 18 06:29:08 | 2.3024 | 0.00027 | 2.9381 | 67.0841 | 242.2938 | 1.00279 | – |
| 2026 Jul 17 17:57 | 2026 Jul 17 06:32:02 | 2.3004 | 0.00027 | 2.9361 | 66.8136 | 242.2938 | 1.00279 | – |
| 2026 Jul 16 17:56 | 2026 Jul 16 06:34:55 | 2.2984 | 0.00026 | 2.9347 | 67.2074 | 242.2938 | 1.00279 | – |
| 2026 Jul 15 17:57 | 2026 Jul 15 03:12:23 | 2.2958 | 0.00026 | 2.9322 | 66.0511 | 242.2938 | 1.00279 | – |
| 2026 Jul 14 17:56 | 2026 Jul 13 22:07:16 | 2.2932 | 0.00025 | 2.9304 | 66.6010 | 242.2938 | 1.00279 | – |
| 2026 Jul 13 17:56 | 2026 Jul 13 06:43:18 | 2.2920 | 0.00025 | 2.9290 | 67.1331 | 242.2938 | 1.00279 | – |
| 2026 Jul 12 17:56 | 2026 Jul 12 11:54:09 | 2.2900 | 0.00025 | 2.9274 | 67.3615 | 242.2938 | 1.00279 | – |
| 2026 Jul 11 17:56 | 2026 Jul 11 11:56:58 | 2.2879 | 0.00026 | 2.9255 | 67.1052 | 242.2938 | 1.00279 | – |
| 2026 Jul 09 17:56 | 2026 Jul 08 20:57:38 | 2.2824 | 0.00026 | 2.9209 | 65.1360 | 242.2938 | 1.00279 | – |
| 2026 Jul 08 17:56 | 2026 Jul 08 12:05:26 | 2.2816 | 0.00027 | 2.9201 | 65.1022 | 242.2938 | 1.00279 | – |
| 2026 Jul 07 17:56 | 2026 Jul 07 12:08:14 | 2.2795 | 0.00028 | 2.9184 | 64.1098 | 242.2938 | 1.00279 | – |
| 2026 Jul 06 17:57 | 2026 Jul 06 07:02:45 | 2.2774 | 0.00028 | 2.9165 | 62.4762 | 242.2938 | 1.00279 | – |
| 2026 Jul 05 17:56 | 2026 Jul 05 05:23:10 | 2.2753 | 0.00029 | 2.9148 | 61.3002 | 242.2938 | 1.00279 | – |
| 2026 Jul 04 17:56 | 2026 Jul 02 20:23:27 | 2.2711 | 0.00030 | 2.9117 | 58.6191 | 242.2938 | 1.00279 | – |
| 2026 Jul 03 17:57 | 2026 Jul 02 20:23:27 | 2.2711 | 0.00030 | 2.9117 | 58.6191 | 242.2938 | 1.00279 | – |
| 2026 Jul 02 17:56 | 2026 Jul 02 05:31:35 | 2.2700 | 0.00030 | 2.9105 | 58.1201 | 242.2938 | 1.00279 | – |
| 2026 Jul 01 17:56 | 2026 Jul 01 03:51:47 | 2.2682 | 0.00030 | 2.9089 | 56.3049 | 242.2938 | 1.00279 | – |
| 2026 Jun 30 17:56 | 2026 Jun 29 07:22:46 | 2.2653 | 0.00024 | 2.9067 | 47.7122 | 242.2938 | 1.00279 | – |
| 2026 Jun 29 17:57 | 2026 Jun 29 07:22:46 | 2.2653 | 0.00024 | 2.9067 | 47.7122 | 242.2938 | 1.00279 | – |