Orbital elements of OV1-21
| Launched | 6 August 1971 |
| Flight ended | – |
| Launch site | Air Force Western Test Range, California, USA |
| Owner | United States |
| NORAD ID | 5397 |
| 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 17 17:54 | 2024 Jul 16 04:42:39 | 87.6257 | 0.00797 | 17.3972 | 274.9434 | 84.2656 | 14.17877 | 6.743 |
| 2024 Jul 16 17:53 | 2024 Jul 16 04:42:39 | 87.6257 | 0.00797 | 17.3972 | 274.9434 | 84.2656 | 14.17877 | 6.743 |
| 2024 Jul 15 17:53 | 2024 Jul 10 04:44:36 | 87.6264 | 0.00798 | 17.5045 | 294.7426 | 84.2656 | 14.17877 | 6.743 |
| 2024 Jul 14 17:57 | 2024 Jul 10 04:44:36 | 87.6264 | 0.00798 | 17.5045 | 294.7426 | 84.2656 | 14.17877 | 6.743 |
| 2024 Jul 13 17:52 | 2024 Jul 10 04:44:36 | 87.6264 | 0.00798 | 17.5045 | 294.7426 | 84.2656 | 14.17877 | 6.743 |
| 2024 Jul 12 17:53 | 2024 Jul 10 04:44:36 | 87.6264 | 0.00798 | 17.5045 | 294.7426 | 84.2656 | 14.17877 | 6.743 |
| 2024 Jul 11 17:57 | 2024 Jul 10 04:44:36 | 87.6264 | 0.00798 | 17.5045 | 294.7426 | 84.2656 | 14.17877 | 6.743 |
| 2024 Jul 10 17:54 | 2024 Jul 10 04:44:36 | 87.6264 | 0.00798 | 17.5045 | 294.7426 | 84.2656 | 14.17877 | 6.743 |
| 2024 Jul 09 18:45 | 2024 Jun 30 04:14:01 | 87.6269 | 0.00806 | 17.6836 | 327.6046 | 84.2656 | 14.17877 | 6.743 |
| 2024 Jul 08 17:53 | 2024 Jun 30 04:14:01 | 87.6269 | 0.00806 | 17.6836 | 327.6046 | 84.2656 | 14.17877 | 6.743 |
| 2024 Jul 07 17:52 | 2024 Jun 30 04:14:01 | 87.6269 | 0.00806 | 17.6836 | 327.6046 | 84.2656 | 14.17877 | 6.743 |
| 2024 Jul 06 17:57 | 2024 Jun 30 04:14:01 | 87.6269 | 0.00806 | 17.6836 | 327.6046 | 84.2656 | 14.17877 | 6.743 |
| 2024 Jul 05 17:52 | 2024 Jun 30 04:14:01 | 87.6269 | 0.00806 | 17.6836 | 327.6046 | 84.2656 | 14.17877 | 6.743 |
| 2024 Jul 04 17:55 | 2024 Jun 30 04:14:01 | 87.6269 | 0.00806 | 17.6836 | 327.6046 | 84.2656 | 14.17877 | 6.743 |
| 2024 Jul 03 17:54 | 2024 Jun 30 04:14:01 | 87.6269 | 0.00806 | 17.6836 | 327.6046 | 84.2656 | 14.17877 | 6.743 |
| 2024 Jul 02 17:52 | 2024 Jun 30 04:14:01 | 87.6269 | 0.00806 | 17.6836 | 327.6046 | 84.2656 | 14.17877 | 6.743 |
| 2024 Jul 01 17:55 | 2024 Jun 30 04:14:01 | 87.6269 | 0.00806 | 17.6836 | 327.6046 | 84.2656 | 14.17877 | 6.743 |
| 2024 Jun 30 17:54 | 2024 Jun 30 04:14:01 | 87.6269 | 0.00806 | 17.6836 | 327.6046 | 84.2656 | 14.17877 | 6.743 |
| 2024 Jun 29 17:53 | 2024 Jun 25 03:58:44 | 87.6272 | 0.00812 | 17.7731 | 343.8879 | 84.2656 | 14.17877 | 6.743 |
| 2024 Jun 28 17:53 | 2024 Jun 25 03:58:44 | 87.6272 | 0.00812 | 17.7731 | 343.8879 | 84.2656 | 14.17877 | 6.743 |
| 2024 Jun 27 17:54 | 2024 Jun 25 03:58:44 | 87.6272 | 0.00812 | 17.7731 | 343.8879 | 84.2656 | 14.17877 | 6.743 |
| 2024 Jun 26 17:54 | 2024 Jun 25 03:58:44 | 87.6272 | 0.00812 | 17.7731 | 343.8879 | 84.2656 | 14.17877 | 6.743 |
| 2024 Jun 25 17:52 | 2024 Jun 25 03:58:44 | 87.6272 | 0.00812 | 17.7731 | 343.8879 | 84.2656 | 14.17877 | 6.743 |
| 2024 Jun 24 17:53 | 2024 Jun 19 12:28:49 | 87.6272 | 0.00819 | 17.8740 | 2.1020 | 84.2656 | 14.17877 | 6.743 |
| 2024 Jun 23 17:52 | 2024 Jun 19 12:28:49 | 87.6272 | 0.00819 | 17.8740 | 2.1020 | 84.2656 | 14.17877 | 6.743 |
| 2024 Jun 22 17:57 | 2024 Jun 19 12:28:49 | 87.6272 | 0.00819 | 17.8740 | 2.1020 | 84.2656 | 14.17877 | 6.743 |
| 2024 Jun 21 17:57 | 2024 Jun 19 12:28:49 | 87.6272 | 0.00819 | 17.8740 | 2.1020 | 84.2656 | 14.17877 | 6.743 |
| 2024 Jun 20 17:56 | 2024 Jun 19 12:28:49 | 87.6272 | 0.00819 | 17.8740 | 2.1020 | 84.2656 | 14.17877 | 6.743 |