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 Jun 30 17:56 | 2025 Jun 29 22:40:24 | 1.6578 | 0.00011 | 1.8996 | 62.9309 | 264.5972 | 0.99980 | – |
| 2025 Jun 29 17:56 | 2025 Jun 28 22:02:51 | 1.6565 | 0.00010 | 1.8954 | 61.7944 | 264.5972 | 0.99980 | – |
| 2025 Jun 28 17:56 | 2025 Jun 27 22:06:53 | 1.6553 | 0.00010 | 1.8912 | 60.6276 | 264.5972 | 0.99980 | – |
| 2025 Jun 27 17:56 | 2025 Jun 26 21:01:14 | 1.6538 | 0.00010 | 1.8867 | 59.6611 | 264.5972 | 0.99980 | – |
| 2025 Jun 26 17:56 | 2025 Jun 26 10:44:33 | 1.6534 | 0.00010 | 1.8848 | 59.2913 | 264.5972 | 0.99980 | – |
| 2025 Jun 25 17:56 | 2025 Jun 25 02:11:50 | 1.6516 | 0.00009 | 1.8795 | 58.3508 | 264.5972 | 0.99980 | – |
| 2025 Jun 24 17:56 | 2025 Jun 23 21:04:43 | 1.6498 | 0.00010 | 1.8734 | 57.9639 | 264.5972 | 0.99980 | – |
| 2025 Jun 23 17:56 | 2025 Jun 22 20:00:30 | 1.6483 | 0.00010 | 1.8689 | 57.2886 | 264.5972 | 0.99980 | – |
| 2025 Jun 22 17:56 | 2025 Jun 21 20:21:38 | 1.6469 | 0.00011 | 1.8644 | 56.4967 | 264.5972 | 0.99980 | – |
| 2025 Jun 21 17:56 | 2025 Jun 21 13:11:47 | 1.6468 | 0.00011 | 1.8635 | 55.7610 | 264.5972 | 0.99980 | – |
| 2025 Jun 20 17:57 | 2025 Jun 20 02:17:43 | 1.6448 | 0.00012 | 1.8572 | 54.8859 | 264.5972 | 0.99980 | – |
| 2025 Jun 19 17:56 | 2025 Jun 18 21:33:38 | 1.6431 | 0.00012 | 1.8515 | 53.4555 | 264.5972 | 0.99980 | – |
| 2025 Jun 18 17:56 | 2025 Jun 17 20:28:42 | 1.6417 | 0.00013 | 1.8472 | 52.2883 | 264.5972 | 0.99980 | – |
| 2025 Jun 17 17:56 | 2025 Jun 17 12:41:30 | 1.6415 | 0.00013 | 1.8461 | 51.4350 | 264.5972 | 0.99980 | – |
| 2025 Jun 16 17:56 | 2025 Jun 16 02:22:05 | 1.6398 | 0.00014 | 1.8405 | 50.1422 | 264.5972 | 0.99980 | – |
| 2025 Jun 15 17:56 | 2025 Jun 15 01:58:38 | 1.6387 | 0.00015 | 1.8363 | 48.6826 | 264.5972 | 0.99980 | – |
| 2025 Jun 14 17:56 | 2025 Jun 13 21:41:30 | 1.6372 | 0.00016 | 1.8310 | 46.8344 | 264.5972 | 0.99980 | – |
| 2025 Jun 13 17:56 | 2025 Jun 12 13:48:38 | 1.6359 | 0.00016 | 1.8263 | 44.6218 | 264.5972 | 0.99980 | – |
| 2025 Jun 12 17:56 | 2025 Jun 12 00:11:38 | 1.6354 | 0.00016 | 1.8238 | 43.4922 | 264.5972 | 0.99980 | – |
| 2025 Jun 11 17:56 | 2025 Jun 10 20:14:52 | 1.6339 | 0.00016 | 1.8192 | 41.2306 | 264.5972 | 0.99980 | – |
| 2025 Jun 10 17:56 | 2025 Jun 09 20:49:07 | 1.6329 | 0.00016 | 1.8154 | 39.2940 | 264.5972 | 0.99980 | – |
| 2025 Jun 09 17:56 | 2025 Jun 08 18:20:38 | 1.6317 | 0.00016 | 1.8116 | 37.0195 | 264.5972 | 0.99980 | – |
| 2025 Jun 08 17:56 | 2025 Jun 07 21:17:43 | 1.6309 | 0.00016 | 1.8079 | 35.1772 | 264.5972 | 0.99980 | – |
| 2025 Jun 07 17:56 | 2025 Jun 06 22:04:37 | 1.6299 | 0.00015 | 1.8042 | 33.0464 | 264.5972 | 0.99980 | – |
| 2025 Jun 06 17:56 | 2025 Jun 05 21:02:31 | 1.6287 | 0.00015 | 1.8003 | 30.6509 | 264.5972 | 0.99980 | – |
| 2025 Jun 05 17:56 | 2025 Jun 04 21:25:48 | 1.6277 | 0.00015 | 1.7965 | 28.3924 | 264.5972 | 0.99980 | – |
| 2025 Jun 04 17:57 | 2025 Jun 04 12:36:33 | 1.6275 | 0.00015 | 1.7953 | 27.1280 | 264.5972 | 0.99980 | – |
| 2025 Jun 03 17:57 | 2025 Jun 03 00:53:31 | 1.6259 | 0.00014 | 1.7894 | 23.5014 | 264.5972 | 0.99980 | – |