Orbital elements of DELTA 1 DEB
| Launched | 11 June 1975 |
| Flight ended | – |
| Launch site | Air Force Western Test Range, California, USA |
| Owner | United States |
| NORAD ID | 21291 |
| 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 Jan 11 18:57 | 2026 Jan 10 10:01:45 | 99.8653 | 0.01375 | 11.1078 | 100.9154 | 322.9908 | 13.83229 | – |
| 2026 Jan 10 18:57 | 2026 Jan 05 22:41:42 | 99.8651 | 0.01376 | 10.7953 | 112.5645 | 322.9908 | 13.83229 | – |
| 2026 Jan 09 18:57 | 2026 Jan 05 22:41:42 | 99.8651 | 0.01376 | 10.7953 | 112.5645 | 322.9908 | 13.83229 | – |
| 2026 Jan 08 18:56 | 2026 Jan 05 22:41:42 | 99.8651 | 0.01376 | 10.7953 | 112.5645 | 322.9908 | 13.83229 | – |
| 2026 Jan 07 18:57 | 2026 Jan 05 22:41:42 | 99.8651 | 0.01376 | 10.7953 | 112.5645 | 322.9908 | 13.83229 | – |
| 2026 Jan 06 18:56 | 2026 Jan 05 22:41:42 | 99.8651 | 0.01376 | 10.7953 | 112.5645 | 322.9908 | 13.83229 | – |
| 2026 Jan 05 18:57 | 2025 Dec 31 08:43:28 | 99.8647 | 0.01376 | 10.4052 | 127.0932 | 322.9908 | 13.83229 | – |
| 2026 Jan 04 18:56 | 2025 Dec 31 08:43:28 | 99.8647 | 0.01376 | 10.4052 | 127.0932 | 322.9908 | 13.83229 | – |
| 2026 Jan 03 18:57 | 2025 Dec 31 08:43:28 | 99.8647 | 0.01376 | 10.4052 | 127.0932 | 322.9908 | 13.83229 | – |
| 2026 Jan 01 18:56 | 2025 Dec 31 08:43:28 | 99.8647 | 0.01376 | 10.4052 | 127.0932 | 322.9908 | 13.83229 | – |
| 2025 Dec 31 18:57 | 2025 Dec 31 08:43:28 | 99.8647 | 0.01376 | 10.4052 | 127.0932 | 322.9908 | 13.83229 | – |
| 2025 Dec 30 18:56 | 2025 Dec 26 08:47:37 | 99.8643 | 0.01377 | 10.0560 | 140.0961 | 322.9908 | 13.83229 | – |
| 2025 Dec 29 18:56 | 2025 Dec 26 08:47:37 | 99.8643 | 0.01377 | 10.0560 | 140.0961 | 322.9908 | 13.83229 | – |
| 2025 Dec 28 18:57 | 2025 Dec 26 08:47:37 | 99.8643 | 0.01377 | 10.0560 | 140.0961 | 322.9908 | 13.83229 | – |
| 2025 Dec 27 18:57 | 2025 Dec 26 08:47:37 | 99.8643 | 0.01377 | 10.0560 | 140.0961 | 322.9908 | 13.83229 | – |
| 2025 Dec 26 18:56 | 2025 Dec 26 08:47:37 | 99.8643 | 0.01377 | 10.0560 | 140.0961 | 322.9908 | 13.83229 | – |
| 2025 Dec 25 18:57 | 2025 Dec 19 00:10:52 | 99.8639 | 0.01376 | 9.5419 | 159.2502 | 322.9908 | 13.83229 | – |
| 2025 Dec 24 18:56 | 2025 Dec 19 00:10:52 | 99.8639 | 0.01376 | 9.5419 | 159.2502 | 322.9908 | 13.83229 | – |
| 2025 Dec 23 18:56 | 2025 Dec 19 00:10:52 | 99.8639 | 0.01376 | 9.5419 | 159.2502 | 322.9908 | 13.83229 | – |
| 2025 Dec 22 18:57 | 2025 Dec 19 00:10:52 | 99.8639 | 0.01376 | 9.5419 | 159.2502 | 322.9908 | 13.83229 | – |
| 2025 Dec 21 18:57 | 2025 Dec 19 00:10:52 | 99.8639 | 0.01376 | 9.5419 | 159.2502 | 322.9908 | 13.83229 | – |
| 2025 Dec 20 18:57 | 2025 Dec 19 00:10:52 | 99.8639 | 0.01376 | 9.5419 | 159.2502 | 322.9908 | 13.83229 | – |
| 2025 Dec 19 18:57 | 2025 Dec 11 23:45:29 | 99.8636 | 0.01375 | 9.0516 | 177.5381 | 322.9908 | 13.83229 | – |
| 2025 Dec 18 18:57 | 2025 Dec 11 23:45:29 | 99.8636 | 0.01375 | 9.0516 | 177.5381 | 322.9908 | 13.83229 | – |
| 2025 Dec 17 18:58 | 2025 Dec 11 23:45:29 | 99.8636 | 0.01375 | 9.0516 | 177.5381 | 322.9908 | 13.83229 | – |
| 2025 Dec 16 18:57 | 2025 Dec 11 23:45:29 | 99.8636 | 0.01375 | 9.0516 | 177.5381 | 322.9908 | 13.83229 | – |
| 2025 Dec 15 18:58 | 2025 Dec 11 23:45:29 | 99.8636 | 0.01375 | 9.0516 | 177.5381 | 322.9908 | 13.83229 | – |