Orbital elements of USA 55
| Launched | 4 April 1990 |
| Flight ended | – |
| Launch site | Air Force Western Test Range, California, USA |
| Owner | United States |
| NORAD ID | 20547 |
| 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 |
| 2024 May 07 17:52 | 2024 May 07 02:25:06 | 94.1081 | 0.00697 | 4.7897 | 196.4454 | 163.4533 | 15.32367 | 9.743 |
| 2024 May 06 17:52 | 2024 May 02 08:00:15 | 94.1064 | 0.00690 | 4.6130 | 214.7772 | 163.4533 | 15.32367 | 9.743 |
| 2024 May 05 17:52 | 2024 May 02 08:00:15 | 94.1064 | 0.00690 | 4.6130 | 214.7772 | 163.4533 | 15.32367 | 9.743 |
| 2024 May 04 17:52 | 2024 May 02 08:00:15 | 94.1064 | 0.00690 | 4.6130 | 214.7772 | 163.4533 | 15.32367 | 9.743 |
| 2024 May 03 17:52 | 2024 May 02 08:00:15 | 94.1064 | 0.00690 | 4.6130 | 214.7772 | 163.4533 | 15.32367 | 9.743 |
| 2024 May 02 17:52 | 2024 May 02 08:00:15 | 94.1064 | 0.00690 | 4.6130 | 214.7772 | 163.4533 | 15.32367 | 9.743 |
| 2024 May 01 17:54 | 2024 Apr 27 08:53:04 | 94.1071 | 0.00685 | 4.4292 | 234.0864 | 163.4533 | 15.32367 | 9.743 |
| 2024 Apr 30 17:57 | 2024 Apr 27 08:53:04 | 94.1071 | 0.00685 | 4.4292 | 234.0864 | 163.4533 | 15.32367 | 9.743 |
| 2024 Apr 29 17:52 | 2024 Apr 27 08:53:04 | 94.1071 | 0.00685 | 4.4292 | 234.0864 | 163.4533 | 15.32367 | 9.743 |
| 2024 Apr 28 17:52 | 2024 Apr 27 08:53:04 | 94.1071 | 0.00685 | 4.4292 | 234.0864 | 163.4533 | 15.32367 | 9.743 |
| 2024 Apr 27 17:58 | 2024 Apr 27 08:53:04 | 94.1071 | 0.00685 | 4.4292 | 234.0864 | 163.4533 | 15.32367 | 9.743 |
| 2024 Apr 26 17:54 | 2024 Apr 22 09:45:34 | 94.1059 | 0.00681 | 4.2453 | 253.6459 | 163.4533 | 15.32367 | 9.743 |
| 2024 Apr 25 17:55 | 2024 Apr 22 09:45:34 | 94.1059 | 0.00681 | 4.2453 | 253.6459 | 163.4533 | 15.32367 | 9.743 |
| 2024 Apr 24 17:53 | 2024 Apr 22 09:45:34 | 94.1059 | 0.00681 | 4.2453 | 253.6459 | 163.4533 | 15.32367 | 9.743 |
| 2024 Apr 23 17:53 | 2024 Apr 22 09:45:34 | 94.1059 | 0.00681 | 4.2453 | 253.6459 | 163.4533 | 15.32367 | 9.743 |
| 2024 Apr 22 17:52 | 2024 Apr 22 09:45:34 | 94.1059 | 0.00681 | 4.2453 | 253.6459 | 163.4533 | 15.32367 | 9.743 |
| 2024 Apr 21 17:53 | 2024 Apr 15 21:00:16 | 94.1051 | 0.00682 | 4.0035 | 279.4158 | 163.4533 | 15.32367 | 9.743 |
| 2024 Apr 20 17:52 | 2024 Apr 15 21:00:16 | 94.1051 | 0.00682 | 4.0035 | 279.4158 | 163.4533 | 15.32367 | 9.743 |
| 2024 Apr 19 17:53 | 2024 Apr 15 21:00:16 | 94.1051 | 0.00682 | 4.0035 | 279.4158 | 163.4533 | 15.32367 | 9.743 |
| 2024 Apr 18 17:57 | 2024 Apr 15 21:00:16 | 94.1051 | 0.00682 | 4.0035 | 279.4158 | 163.4533 | 15.32367 | 9.743 |
| 2024 Apr 17 17:53 | 2024 Apr 15 21:00:16 | 94.1051 | 0.00682 | 4.0035 | 279.4158 | 163.4533 | 15.32367 | 9.743 |
| 2024 Apr 16 17:53 | 2024 Apr 15 21:00:16 | 94.1051 | 0.00682 | 4.0035 | 279.4158 | 163.4533 | 15.32367 | 9.743 |
| 2024 Apr 15 17:54 | 2024 Apr 10 09:19:18 | 94.1051 | 0.00686 | 3.8004 | 300.9093 | 163.4533 | 15.32367 | 9.743 |
| 2024 Apr 14 17:53 | 2024 Apr 10 09:19:18 | 94.1051 | 0.00686 | 3.8004 | 300.9093 | 163.4533 | 15.32367 | 9.743 |
| 2024 Apr 13 17:53 | 2024 Apr 10 09:19:18 | 94.1051 | 0.00686 | 3.8004 | 300.9093 | 163.4533 | 15.32367 | 9.743 |
| 2024 Apr 12 17:53 | 2024 Apr 10 09:19:18 | 94.1051 | 0.00686 | 3.8004 | 300.9093 | 163.4533 | 15.32367 | 9.743 |
| 2024 Apr 11 17:54 | 2024 Apr 10 09:19:18 | 94.1051 | 0.00686 | 3.8004 | 300.9093 | 163.4533 | 15.32367 | 9.743 |
| 2024 Apr 10 17:56 | 2024 Apr 10 09:19:18 | 94.1051 | 0.00686 | 3.8004 | 300.9093 | 163.4533 | 15.32367 | 9.743 |