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 Jul 16 17:53 | 2024 Jul 16 05:06:55 | 94.1079 | 0.00666 | 7.3910 | 294.2093 | 65.2202 | 15.33353 | 9.743 |
| 2024 Jul 15 17:53 | 2024 Jul 09 19:37:01 | 94.1087 | 0.00674 | 7.1536 | 319.2773 | 65.2202 | 15.33353 | 9.743 |
| 2024 Jul 14 17:57 | 2024 Jul 09 19:37:01 | 94.1087 | 0.00674 | 7.1536 | 319.2773 | 65.2202 | 15.33353 | 9.743 |
| 2024 Jul 13 17:52 | 2024 Jul 09 19:37:01 | 94.1087 | 0.00674 | 7.1536 | 319.2773 | 65.2202 | 15.33353 | 9.743 |
| 2024 Jul 12 17:53 | 2024 Jul 09 19:37:01 | 94.1087 | 0.00674 | 7.1536 | 319.2773 | 65.2202 | 15.33353 | 9.743 |
| 2024 Jul 11 17:57 | 2024 Jul 09 19:37:01 | 94.1087 | 0.00674 | 7.1536 | 319.2773 | 65.2202 | 15.33353 | 9.743 |
| 2024 Jul 10 17:54 | 2024 Jul 09 19:37:01 | 94.1087 | 0.00674 | 7.1536 | 319.2773 | 65.2202 | 15.33353 | 9.743 |
| 2024 Jul 09 18:45 | 2024 Jun 30 03:47:21 | 94.1090 | 0.00692 | 6.7950 | 356.4908 | 65.2202 | 15.33353 | 9.743 |
| 2024 Jul 08 17:53 | 2024 Jun 30 03:47:21 | 94.1090 | 0.00692 | 6.7950 | 356.4908 | 65.2202 | 15.33353 | 9.743 |
| 2024 Jul 07 17:52 | 2024 Jun 30 03:47:21 | 94.1090 | 0.00692 | 6.7950 | 356.4908 | 65.2202 | 15.33353 | 9.743 |
| 2024 Jul 06 17:57 | 2024 Jun 30 03:47:21 | 94.1090 | 0.00692 | 6.7950 | 356.4908 | 65.2202 | 15.33353 | 9.743 |
| 2024 Jul 05 17:52 | 2024 Jun 30 03:47:21 | 94.1090 | 0.00692 | 6.7950 | 356.4908 | 65.2202 | 15.33353 | 9.743 |
| 2024 Jul 04 17:55 | 2024 Jun 30 03:47:21 | 94.1090 | 0.00692 | 6.7950 | 356.4908 | 65.2202 | 15.33353 | 9.743 |
| 2024 Jul 03 17:54 | 2024 Jun 30 03:47:21 | 94.1090 | 0.00692 | 6.7950 | 356.4908 | 65.2202 | 15.33353 | 9.743 |
| 2024 Jul 02 17:52 | 2024 Jun 30 03:47:21 | 94.1090 | 0.00692 | 6.7950 | 356.4908 | 65.2202 | 15.33353 | 9.743 |
| 2024 Jul 01 17:55 | 2024 Jun 30 03:47:21 | 94.1090 | 0.00692 | 6.7950 | 356.4908 | 65.2202 | 15.33353 | 9.743 |
| 2024 Jun 30 17:54 | 2024 Jun 30 03:47:21 | 94.1090 | 0.00692 | 6.7950 | 356.4908 | 65.2202 | 15.33353 | 9.743 |
| 2024 Jun 29 17:53 | 2024 Jun 24 20:54:04 | 94.1097 | 0.00703 | 6.5988 | 16.4603 | 65.2202 | 15.33353 | 9.743 |
| 2024 Jun 28 17:53 | 2024 Jun 24 20:54:04 | 94.1097 | 0.00703 | 6.5988 | 16.4603 | 65.2202 | 15.33353 | 9.743 |
| 2024 Jun 27 17:54 | 2024 Jun 24 20:54:04 | 94.1097 | 0.00703 | 6.5988 | 16.4603 | 65.2202 | 15.33353 | 9.743 |
| 2024 Jun 26 17:54 | 2024 Jun 24 20:54:04 | 94.1097 | 0.00703 | 6.5988 | 16.4603 | 65.2202 | 15.33353 | 9.743 |
| 2024 Jun 25 17:52 | 2024 Jun 24 20:54:04 | 94.1097 | 0.00703 | 6.5988 | 16.4603 | 65.2202 | 15.33353 | 9.743 |
| 2024 Jun 24 17:53 | 2024 Jun 19 12:26:26 | 94.1098 | 0.00714 | 6.4001 | 36.3461 | 65.2202 | 15.33353 | 9.743 |
| 2024 Jun 23 17:52 | 2024 Jun 19 12:26:26 | 94.1098 | 0.00714 | 6.4001 | 36.3461 | 65.2202 | 15.33353 | 9.743 |
| 2024 Jun 22 17:57 | 2024 Jun 19 12:26:26 | 94.1098 | 0.00714 | 6.4001 | 36.3461 | 65.2202 | 15.33353 | 9.743 |
| 2024 Jun 21 17:57 | 2024 Jun 19 12:26:26 | 94.1098 | 0.00714 | 6.4001 | 36.3461 | 65.2202 | 15.33353 | 9.743 |
| 2024 Jun 20 17:56 | 2024 Jun 19 12:26:26 | 94.1098 | 0.00714 | 6.4001 | 36.3461 | 65.2202 | 15.33353 | 9.743 |
| 2024 Jun 19 17:54 | 2024 Jun 19 12:26:26 | 94.1098 | 0.00714 | 6.4001 | 36.3461 | 65.2202 | 15.33353 | 9.743 |