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 Jul 13 17:56 | 2026 Jul 13 01:37:18 | 89.8616 | 0.01554 | 16.7926 | 160.7225 | 199.9909 | 13.71518 | 8.743 |
| 2026 Jul 12 17:56 | 2026 Jul 12 02:51:32 | 89.8617 | 0.01553 | 16.7935 | 163.5484 | 199.9909 | 13.71518 | 8.743 |
| 2026 Jul 11 17:56 | 2026 Jul 11 02:20:43 | 89.8618 | 0.01552 | 16.7945 | 166.5890 | 199.9909 | 13.71518 | 8.743 |
| 2026 Jul 09 17:56 | 2026 Jul 08 14:48:42 | 89.8620 | 0.01549 | 16.7968 | 174.0030 | 199.9909 | 13.71518 | 8.743 |
| 2026 Jul 08 17:56 | 2026 Jul 08 02:33:17 | 89.8620 | 0.01548 | 16.7973 | 175.5296 | 199.9909 | 13.71518 | 8.743 |
| 2026 Jul 07 17:56 | 2026 Jul 07 03:47:31 | 89.8621 | 0.01547 | 16.7982 | 178.3683 | 199.9909 | 13.71518 | 8.743 |
| 2026 Jul 06 17:57 | 2026 Jul 06 05:01:45 | 89.8622 | 0.01546 | 16.7991 | 181.2149 | 199.9909 | 13.71518 | 8.743 |
| 2026 Jul 05 17:56 | 2026 Jul 04 11:00:20 | 89.8624 | 0.01544 | 16.8008 | 186.4639 | 199.9909 | 13.71518 | 8.743 |
| 2026 Jul 04 17:56 | 2026 Jul 03 22:44:55 | 89.8624 | 0.01544 | 16.8013 | 188.0002 | 199.9909 | 13.71518 | 8.743 |
| 2026 Jul 03 17:57 | 2026 Jul 02 15:13:51 | 89.8626 | 0.01542 | 16.8025 | 191.9452 | 199.9909 | 13.71518 | 8.743 |
| 2026 Jul 02 17:56 | 2026 Jul 02 04:43:30 | 89.8627 | 0.01542 | 16.8030 | 193.2597 | 199.9909 | 13.71518 | 8.743 |
| 2026 Jul 01 17:56 | 2026 Jul 01 02:27:37 | 89.8628 | 0.01540 | 16.8040 | 196.5485 | 199.9909 | 13.71518 | 8.743 |
| 2026 Jun 30 17:56 | 2026 Jun 28 21:55:50 | 89.8629 | 0.01538 | 16.8061 | 203.1362 | 199.9909 | 13.71518 | 8.743 |
| 2026 Jun 29 17:57 | 2026 Jun 28 21:55:50 | 89.8629 | 0.01538 | 16.8061 | 203.1362 | 199.9909 | 13.71518 | 8.743 |
| 2026 Jun 28 17:56 | 2026 Jun 27 17:54:53 | 89.8628 | 0.01537 | 16.8072 | 206.6558 | 199.9909 | 13.71518 | 8.743 |
| 2026 Jun 27 17:55 | 2026 Jun 27 05:39:29 | 89.8628 | 0.01536 | 16.8077 | 208.1953 | 199.9909 | 13.71518 | 8.743 |
| 2026 Jun 26 17:56 | 2026 Jun 26 03:23:35 | 89.8628 | 0.01535 | 16.8087 | 211.4965 | 199.9909 | 13.71518 | 8.743 |
| 2026 Jun 25 17:56 | 2026 Jun 25 04:37:49 | 89.8628 | 0.01534 | 16.8096 | 214.3626 | 199.9909 | 13.71518 | 8.743 |
| 2026 Jun 24 17:55 | 2026 Jun 24 04:07:00 | 89.8628 | 0.01533 | 16.8106 | 217.4497 | 199.9909 | 13.71518 | 8.743 |
| 2026 Jun 23 17:56 | 2026 Jun 22 06:35:28 | 89.8629 | 0.01531 | 16.8124 | 223.1858 | 199.9909 | 13.71518 | 8.743 |
| 2026 Jun 22 17:56 | 2026 Jun 20 10:48:59 | 89.8631 | 0.01529 | 16.8141 | 228.7113 | 199.9909 | 13.71518 | 8.743 |
| 2026 Jun 21 17:57 | 2026 Jun 20 10:48:59 | 89.8631 | 0.01529 | 16.8141 | 228.7113 | 199.9909 | 13.71518 | 8.743 |
| 2026 Jun 20 17:56 | 2026 Jun 20 10:48:59 | 89.8631 | 0.01529 | 16.8141 | 228.7113 | 199.9909 | 13.71518 | 8.743 |
| 2026 Jun 19 17:57 | 2026 Jun 19 05:02:59 | 89.8632 | 0.01528 | 16.8153 | 232.4696 | 199.9909 | 13.71518 | 8.743 |
| 2026 Jun 18 17:56 | 2026 Jun 18 04:32:10 | 89.8633 | 0.01528 | 16.8163 | 235.5669 | 199.9909 | 13.71518 | 8.743 |
| 2026 Jun 17 17:57 | 2026 Jun 16 22:46:10 | 89.8633 | 0.01527 | 16.8174 | 239.3280 | 199.9909 | 13.71518 | 8.743 |
| 2026 Jun 16 17:55 | 2026 Jun 16 07:00:39 | 89.8632 | 0.01526 | 16.8181 | 241.3243 | 199.9909 | 13.71518 | 8.743 |