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 | 21500 |
| 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 11 10:14:56 | 100.0326 | 0.01611 | 11.6624 | 165.8075 | 252.0764 | 14.40006 | – |
| 2026 Jan 10 18:57 | 2026 Jan 05 09:02:15 | 100.0349 | 0.01609 | 11.1902 | 183.1418 | 252.0764 | 14.40006 | – |
| 2026 Jan 09 18:57 | 2026 Jan 05 09:02:15 | 100.0349 | 0.01609 | 11.1902 | 183.1418 | 252.0764 | 14.40006 | – |
| 2026 Jan 08 18:56 | 2026 Jan 05 09:02:15 | 100.0349 | 0.01609 | 11.1902 | 183.1418 | 252.0764 | 14.40006 | – |
| 2026 Jan 07 18:57 | 2026 Jan 05 09:02:15 | 100.0349 | 0.01609 | 11.1902 | 183.1418 | 252.0764 | 14.40006 | – |
| 2026 Jan 06 18:56 | 2026 Jan 05 09:02:15 | 100.0349 | 0.01609 | 11.1902 | 183.1418 | 252.0764 | 14.40006 | – |
| 2026 Jan 05 18:57 | 2025 Dec 31 10:35:41 | 100.0349 | 0.01612 | 10.8050 | 197.1710 | 252.0764 | 14.40006 | – |
| 2026 Jan 04 18:56 | 2025 Dec 31 10:35:41 | 100.0349 | 0.01612 | 10.8050 | 197.1710 | 252.0764 | 14.40006 | – |
| 2026 Jan 03 18:57 | 2025 Dec 31 10:35:41 | 100.0349 | 0.01612 | 10.8050 | 197.1710 | 252.0764 | 14.40006 | – |
| 2026 Jan 01 18:56 | 2025 Dec 31 10:35:41 | 100.0349 | 0.01612 | 10.8050 | 197.1710 | 252.0764 | 14.40006 | – |
| 2025 Dec 31 18:57 | 2025 Dec 31 10:35:41 | 100.0349 | 0.01612 | 10.8050 | 197.1710 | 252.0764 | 14.40006 | – |
| 2025 Dec 30 18:56 | 2025 Dec 23 09:09:16 | 100.0347 | 0.01616 | 10.1761 | 220.0463 | 252.0764 | 14.40006 | – |
| 2025 Dec 29 18:56 | 2025 Dec 23 09:09:16 | 100.0347 | 0.01616 | 10.1761 | 220.0463 | 252.0764 | 14.40006 | – |
| 2025 Dec 28 18:57 | 2025 Dec 23 09:09:16 | 100.0347 | 0.01616 | 10.1761 | 220.0463 | 252.0764 | 14.40006 | – |
| 2025 Dec 27 18:57 | 2025 Dec 23 09:09:16 | 100.0347 | 0.01616 | 10.1761 | 220.0463 | 252.0764 | 14.40006 | – |
| 2025 Dec 26 18:56 | 2025 Dec 23 09:09:16 | 100.0347 | 0.01616 | 10.1761 | 220.0463 | 252.0764 | 14.40006 | – |
| 2025 Dec 25 18:57 | 2025 Dec 20 09:25:39 | 100.0341 | 0.01616 | 9.9429 | 228.5063 | 252.0764 | 14.40006 | – |
| 2025 Dec 24 18:56 | 2025 Dec 20 09:25:39 | 100.0341 | 0.01616 | 9.9429 | 228.5063 | 252.0764 | 14.40006 | – |
| 2025 Dec 23 18:56 | 2025 Dec 20 09:25:39 | 100.0341 | 0.01616 | 9.9429 | 228.5063 | 252.0764 | 14.40006 | – |
| 2025 Dec 22 18:57 | 2025 Dec 20 09:25:39 | 100.0341 | 0.01616 | 9.9429 | 228.5063 | 252.0764 | 14.40006 | – |
| 2025 Dec 21 18:57 | 2025 Dec 20 09:25:39 | 100.0341 | 0.01616 | 9.9429 | 228.5063 | 252.0764 | 14.40006 | – |
| 2025 Dec 20 18:57 | 2025 Dec 20 09:25:39 | 100.0341 | 0.01616 | 9.9429 | 228.5063 | 252.0764 | 14.40006 | – |
| 2025 Dec 19 18:57 | 2025 Dec 11 22:29:56 | 100.0337 | 0.01617 | 9.2832 | 252.6299 | 252.0764 | 14.40006 | – |
| 2025 Dec 18 18:57 | 2025 Dec 11 22:29:56 | 100.0337 | 0.01617 | 9.2832 | 252.6299 | 252.0764 | 14.40006 | – |
| 2025 Dec 17 18:58 | 2025 Dec 11 22:29:56 | 100.0337 | 0.01617 | 9.2832 | 252.6299 | 252.0764 | 14.40006 | – |
| 2025 Dec 16 18:57 | 2025 Dec 11 22:29:56 | 100.0337 | 0.01617 | 9.2832 | 252.6299 | 252.0764 | 14.40006 | – |