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 | 21497 |
| 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 01 18:56 | 2026 Jan 27 18:30:09 | 100.0233 | 0.00589 | 21.3364 | 341.0135 | 47.3571 | 13.32977 | – |
| 2026 Jan 31 18:56 | 2026 Jan 27 18:30:09 | 100.0233 | 0.00589 | 21.3364 | 341.0135 | 47.3571 | 13.32977 | – |
| 2026 Jan 30 18:57 | 2026 Jan 27 18:30:09 | 100.0233 | 0.00589 | 21.3364 | 341.0135 | 47.3571 | 13.32977 | – |
| 2026 Jan 29 18:56 | 2026 Jan 27 18:30:09 | 100.0233 | 0.00589 | 21.3364 | 341.0135 | 47.3571 | 13.32977 | – |
| 2026 Jan 28 18:56 | 2026 Jan 27 18:30:09 | 100.0233 | 0.00589 | 21.3364 | 341.0135 | 47.3571 | 13.32977 | – |
| 2026 Jan 27 18:56 | 2026 Jan 22 07:37:14 | 100.0232 | 0.00590 | 20.9815 | 353.9878 | 47.3571 | 13.32977 | – |
| 2026 Jan 26 18:57 | 2026 Jan 22 07:37:14 | 100.0232 | 0.00590 | 20.9815 | 353.9878 | 47.3571 | 13.32977 | – |
| 2026 Jan 25 18:57 | 2026 Jan 22 07:37:14 | 100.0232 | 0.00590 | 20.9815 | 353.9878 | 47.3571 | 13.32977 | – |
| 2026 Jan 24 18:58 | 2026 Jan 22 07:37:14 | 100.0232 | 0.00590 | 20.9815 | 353.9878 | 47.3571 | 13.32977 | – |
| 2026 Jan 22 18:56 | 2026 Jan 22 07:37:14 | 100.0232 | 0.00590 | 20.9815 | 353.9878 | 47.3571 | 13.32977 | – |
| 2026 Jan 21 18:56 | 2026 Jan 16 13:01:45 | 100.0227 | 0.00592 | 20.6057 | 7.6834 | 47.3571 | 13.32977 | – |
| 2026 Jan 20 19:06 | 2026 Jan 16 13:01:45 | 100.0227 | 0.00592 | 20.6057 | 7.6834 | 47.3571 | 13.32977 | – |
| 2026 Jan 19 18:57 | 2026 Jan 16 13:01:45 | 100.0227 | 0.00592 | 20.6057 | 7.6834 | 47.3571 | 13.32977 | – |
| 2026 Jan 18 18:57 | 2026 Jan 16 13:01:45 | 100.0227 | 0.00592 | 20.6057 | 7.6834 | 47.3571 | 13.32977 | – |
| 2026 Jan 17 18:56 | 2026 Jan 16 13:01:45 | 100.0227 | 0.00592 | 20.6057 | 7.6834 | 47.3571 | 13.32977 | – |
| 2026 Jan 16 18:57 | 2026 Jan 16 13:01:45 | 100.0227 | 0.00592 | 20.6057 | 7.6834 | 47.3571 | 13.32977 | – |
| 2026 Jan 15 18:56 | 2026 Jan 11 15:40:08 | 100.0223 | 0.00593 | 20.2874 | 19.2664 | 47.3571 | 13.32977 | – |
| 2026 Jan 13 18:56 | 2026 Jan 11 15:40:08 | 100.0223 | 0.00593 | 20.2874 | 19.2664 | 47.3571 | 13.32977 | – |
| 2026 Jan 11 18:57 | 2026 Jan 11 15:40:08 | 100.0223 | 0.00593 | 20.2874 | 19.2664 | 47.3571 | 13.32977 | – |
| 2026 Jan 10 18:57 | 2026 Jan 06 06:11:51 | 100.0220 | 0.00594 | 19.9364 | 32.0182 | 47.3571 | 13.32977 | – |
| 2026 Jan 09 18:57 | 2026 Jan 06 06:11:51 | 100.0220 | 0.00594 | 19.9364 | 32.0182 | 47.3571 | 13.32977 | – |
| 2026 Jan 08 18:56 | 2026 Jan 06 06:11:51 | 100.0220 | 0.00594 | 19.9364 | 32.0182 | 47.3571 | 13.32977 | – |
| 2026 Jan 07 18:57 | 2026 Jan 06 06:11:51 | 100.0220 | 0.00594 | 19.9364 | 32.0182 | 47.3571 | 13.32977 | – |
| 2026 Jan 06 18:56 | 2026 Jan 06 06:11:51 | 100.0220 | 0.00594 | 19.9364 | 32.0182 | 47.3571 | 13.32977 | – |
| 2026 Jan 05 18:57 | 2025 Dec 31 07:41:13 | 100.0214 | 0.00595 | 19.5499 | 46.0440 | 47.3571 | 13.32977 | – |