Orbital elements of OPS 6638
| Launched | 27 April 1967 |
| Flight ended | – |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | United States |
| NORAD ID | 2765 |
| Alternative names |
VELA 7 |
| 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 |
| 2026 Feb 05 18:58 | 2026 Feb 02 01:05:49 | 40.2332 | 0.50594 | 0.5823 | 289.1160 | 358.9814 | 0.21529 | – |
| 2026 Feb 04 18:57 | 2026 Feb 02 01:05:49 | 40.2332 | 0.50594 | 0.5823 | 289.1160 | 358.9814 | 0.21529 | – |