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 Mar 13 18:57 | 2025 Mar 13 12:16:09 | 1.5350 | 0.00025 | 1.4111 | 316.0632 | 223.3044 | 0.99992 | – |
| 2025 Mar 11 18:56 | 2025 Mar 11 11:01:38 | 1.5331 | 0.00025 | 1.4015 | 312.1806 | 223.3044 | 0.99992 | – |
| 2025 Mar 10 18:56 | 2025 Mar 10 11:32:38 | 1.5322 | 0.00026 | 1.3969 | 310.5008 | 223.3044 | 0.99992 | – |
| 2025 Mar 09 18:57 | 2025 Mar 09 02:00:59 | 1.5307 | 0.00026 | 1.3906 | 308.3624 | 223.3044 | 0.99992 | – |
| 2025 Mar 07 18:56 | 2025 Mar 06 12:44:53 | 1.5280 | 0.00026 | 1.3773 | 306.1646 | 223.3044 | 0.99992 | – |
| 2025 Mar 05 18:56 | 2025 Mar 04 12:44:41 | 1.5257 | 0.00025 | 1.3668 | 305.9056 | 223.3044 | 0.99992 | – |
| 2025 Mar 04 18:56 | 2025 Mar 04 12:44:41 | 1.5257 | 0.00025 | 1.3668 | 305.9056 | 223.3044 | 0.99992 | – |
| 2025 Mar 03 18:56 | 2025 Mar 03 12:20:00 | 1.5246 | 0.00025 | 1.3613 | 306.1873 | 223.3044 | 0.99992 | – |
| 2025 Mar 02 18:56 | 2025 Mar 01 19:11:49 | 1.5225 | 0.00024 | 1.3517 | 306.7889 | 223.3044 | 0.99992 | – |
| 2025 Mar 01 18:57 | 2025 Mar 01 14:51:42 | 1.5224 | 0.00024 | 1.3515 | 306.9855 | 223.3044 | 0.99992 | – |
| 2025 Feb 28 18:56 | 2025 Feb 27 19:12:08 | 1.5203 | 0.00024 | 1.3411 | 308.0686 | 223.3044 | 0.99992 | – |
| 2025 Feb 27 18:56 | 2025 Feb 27 14:19:20 | 1.5203 | 0.00024 | 1.3406 | 308.1871 | 223.3044 | 0.99992 | – |
| 2025 Feb 26 18:56 | 2025 Feb 26 11:26:38 | 1.5193 | 0.00024 | 1.3343 | 308.6241 | 223.3044 | 0.99992 | – |
| 2025 Feb 25 18:56 | 2025 Feb 25 15:29:50 | 1.5183 | 0.00024 | 1.3307 | 309.0679 | 223.3044 | 0.99992 | – |
| 2025 Feb 24 18:56 | 2025 Feb 24 13:55:52 | 1.5174 | 0.00024 | 1.3253 | 309.2654 | 223.3044 | 0.99992 | – |
| 2025 Feb 22 18:57 | 2025 Feb 22 02:06:07 | 1.5152 | 0.00024 | 1.3131 | 308.5033 | 223.3044 | 0.99992 | – |
| 2025 Feb 21 18:57 | 2025 Feb 20 15:59:01 | 1.5138 | 0.00024 | 1.3063 | 307.2677 | 223.3044 | 0.99992 | – |
| 2025 Feb 20 18:56 | 2025 Feb 20 14:29:48 | 1.5139 | 0.00024 | 1.3061 | 307.1360 | 223.3044 | 0.99992 | – |
| 2025 Feb 19 18:56 | 2025 Feb 19 15:06:52 | 1.5130 | 0.00025 | 1.3017 | 305.8836 | 223.3044 | 0.99992 | – |
| 2025 Feb 18 18:56 | 2025 Feb 18 12:52:49 | 1.5122 | 0.00025 | 1.2965 | 304.3829 | 223.3044 | 0.99992 | – |
| 2025 Feb 17 18:57 | 2025 Feb 16 14:51:14 | 1.5106 | 0.00026 | 1.2882 | 301.2527 | 223.3044 | 0.99992 | – |
| 2025 Feb 16 18:56 | 2025 Feb 16 14:51:14 | 1.5106 | 0.00026 | 1.2882 | 301.2527 | 223.3044 | 0.99992 | – |
| 2025 Feb 15 18:56 | 2025 Feb 15 15:18:44 | 1.5098 | 0.00026 | 1.2838 | 299.5203 | 223.3044 | 0.99992 | – |
| 2025 Feb 14 18:56 | 2025 Feb 14 13:54:13 | 1.5090 | 0.00027 | 1.2788 | 297.7102 | 223.3044 | 0.99992 | – |