Orbital elements of NNSS 20
| Launched | 29 October 1973 |
| Flight ended | – |
| Launch site | Air Force Western Test Range, California, USA |
| Owner | United States |
| NORAD ID | 6909 |
| Alternative names |
TRANSIT 20 |
| 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 05 00:58:46 | 89.8524 | 0.01528 | 16.9490 | 275.5675 | 82.8084 | 13.71463 | 8.743 |
| 2026 Feb 04 18:57 | 2026 Feb 04 12:43:20 | 89.8524 | 0.01528 | 16.9495 | 277.1187 | 82.8084 | 13.71463 | 8.743 |
| 2026 Feb 03 18:56 | 2026 Feb 03 12:12:29 | 89.8524 | 0.01528 | 16.9505 | 280.2204 | 82.8084 | 13.71463 | 8.743 |
| 2026 Feb 02 18:56 | 2026 Feb 02 08:11:30 | 89.8526 | 0.01528 | 16.9517 | 283.7610 | 82.8084 | 13.71463 | 8.743 |
| 2026 Feb 01 18:56 | 2026 Feb 01 07:40:39 | 89.8526 | 0.01529 | 16.9528 | 286.8588 | 82.8084 | 13.71463 | 8.743 |
| 2026 Jan 31 18:56 | 2026 Jan 31 08:54:52 | 89.8526 | 0.01529 | 16.9537 | 289.7317 | 82.8084 | 13.71463 | 8.743 |
| 2026 Jan 30 18:57 | 2026 Jan 30 03:08:50 | 89.8526 | 0.01530 | 16.9550 | 293.4968 | 82.8084 | 13.71463 | 8.743 |
| 2026 Jan 29 18:56 | 2026 Jan 28 16:07:37 | 89.8528 | 0.01531 | 16.9565 | 297.9192 | 82.8084 | 13.71463 | 8.743 |
| 2026 Jan 28 18:56 | 2026 Jan 27 13:51:43 | 89.8528 | 0.01531 | 16.9576 | 301.2403 | 82.8084 | 13.71463 | 8.743 |
| 2026 Jan 27 18:56 | 2026 Jan 27 03:21:21 | 89.8529 | 0.01531 | 16.9580 | 302.5722 | 82.8084 | 13.71463 | 8.743 |
| 2026 Jan 26 18:57 | 2026 Jan 26 08:05:41 | 89.8530 | 0.01532 | 16.9588 | 305.0029 | 82.8084 | 13.71463 | 8.743 |