Orbital elements of OV1-4
| Launched | 29 March 1966 |
| Flight ended | – |
| Launch site | Air Force Western Test Range, California, USA |
| Owner | United States |
| NORAD ID | 2121 |
| 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 Dec 15 18:58 | 2025 Dec 12 05:22:59 | 144.5016 | 0.00827 | 9.5919 | 111.0648 | 249.8896 | 13.87295 | 8.243 |
| 2025 Dec 14 18:56 | 2025 Dec 12 05:22:59 | 144.5016 | 0.00827 | 9.5919 | 111.0648 | 249.8896 | 13.87295 | 8.243 |
| 2025 Dec 13 18:56 | 2025 Dec 12 05:22:59 | 144.5016 | 0.00827 | 9.5919 | 111.0648 | 249.8896 | 13.87295 | 8.243 |
| 2025 Dec 12 18:57 | 2025 Dec 12 05:22:59 | 144.5016 | 0.00827 | 9.5919 | 111.0648 | 249.8896 | 13.87295 | 8.243 |
| 2025 Dec 11 18:56 | 2025 Dec 07 07:54:44 | 144.5023 | 0.00827 | 7.9517 | 75.8774 | 249.8896 | 13.87295 | 8.243 |
| 2025 Dec 10 18:56 | 2025 Dec 07 07:54:44 | 144.5023 | 0.00827 | 7.9517 | 75.8774 | 249.8896 | 13.87295 | 8.243 |
| 2025 Dec 09 18:56 | 2025 Dec 07 07:54:44 | 144.5023 | 0.00827 | 7.9517 | 75.8774 | 249.8896 | 13.87295 | 8.243 |
| 2025 Dec 08 18:56 | 2025 Dec 07 07:54:44 | 144.5023 | 0.00827 | 7.9517 | 75.8774 | 249.8896 | 13.87295 | 8.243 |
| 2025 Dec 07 18:56 | 2025 Dec 07 07:54:44 | 144.5023 | 0.00827 | 7.9517 | 75.8774 | 249.8896 | 13.87295 | 8.243 |
| 2025 Dec 06 18:56 | 2025 Dec 02 05:15:25 | 144.5031 | 0.00829 | 6.2392 | 39.2046 | 249.8896 | 13.87295 | 8.243 |
| 2025 Dec 05 18:57 | 2025 Dec 02 05:15:25 | 144.5031 | 0.00829 | 6.2392 | 39.2046 | 249.8896 | 13.87295 | 8.243 |
| 2025 Dec 04 18:57 | 2025 Dec 02 05:15:25 | 144.5031 | 0.00829 | 6.2392 | 39.2046 | 249.8896 | 13.87295 | 8.243 |
| 2025 Dec 03 18:56 | 2025 Dec 02 05:15:25 | 144.5031 | 0.00829 | 6.2392 | 39.2046 | 249.8896 | 13.87295 | 8.243 |
| 2025 Dec 02 18:56 | 2025 Dec 02 05:15:25 | 144.5031 | 0.00829 | 6.2392 | 39.2046 | 249.8896 | 13.87295 | 8.243 |
| 2025 Nov 30 18:57 | 2025 Nov 25 10:52:00 | 144.5039 | 0.00834 | 3.9717 | 350.8470 | 249.8896 | 13.87295 | 8.243 |
| 2025 Nov 29 18:56 | 2025 Nov 25 10:52:00 | 144.5039 | 0.00834 | 3.9717 | 350.8470 | 249.8896 | 13.87295 | 8.243 |
| 2025 Nov 28 18:57 | 2025 Nov 25 10:52:00 | 144.5039 | 0.00834 | 3.9717 | 350.8470 | 249.8896 | 13.87295 | 8.243 |
| 2025 Nov 27 18:57 | 2025 Nov 25 10:52:00 | 144.5039 | 0.00834 | 3.9717 | 350.8470 | 249.8896 | 13.87295 | 8.243 |
| 2025 Nov 26 18:57 | 2025 Nov 25 10:52:00 | 144.5039 | 0.00834 | 3.9717 | 350.8470 | 249.8896 | 13.87295 | 8.243 |
| 2025 Nov 25 18:57 | 2025 Nov 25 10:52:00 | 144.5039 | 0.00834 | 3.9717 | 350.8470 | 249.8896 | 13.87295 | 8.243 |
| 2025 Nov 24 18:56 | 2025 Nov 20 03:01:39 | 144.5050 | 0.00838 | 2.1867 | 312.9743 | 249.8896 | 13.87295 | 8.243 |
| 2025 Nov 23 18:57 | 2025 Nov 20 03:01:39 | 144.5050 | 0.00838 | 2.1867 | 312.9743 | 249.8896 | 13.87295 | 8.243 |
| 2025 Nov 21 18:57 | 2025 Nov 20 03:01:39 | 144.5050 | 0.00838 | 2.1867 | 312.9743 | 249.8896 | 13.87295 | 8.243 |
| 2025 Nov 20 18:56 | 2025 Nov 20 03:01:39 | 144.5050 | 0.00838 | 2.1867 | 312.9743 | 249.8896 | 13.87295 | 8.243 |
| 2025 Nov 18 18:57 | 2025 Nov 08 19:48:23 | 144.5065 | 0.00838 | 22.3996 | 232.8765 | 249.8896 | 13.87295 | 8.243 |