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 | 21281 |
| 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 25 18:57 | 2026 Jan 22 10:51:41 | 99.9922 | 0.00564 | 21.1710 | 284.7641 | 188.1057 | 13.34303 | – |
| 2026 Jan 24 18:58 | 2026 Jan 22 10:51:41 | 99.9922 | 0.00564 | 21.1710 | 284.7641 | 188.1057 | 13.34303 | – |
| 2026 Jan 22 18:56 | 2026 Jan 22 10:51:41 | 99.9922 | 0.00564 | 21.1710 | 284.7641 | 188.1057 | 13.34303 | – |
| 2026 Jan 21 18:56 | 2026 Jan 16 10:56:26 | 99.9914 | 0.00566 | 20.7810 | 299.2038 | 188.1057 | 13.34303 | – |
| 2026 Jan 20 19:06 | 2026 Jan 16 10:56:26 | 99.9914 | 0.00566 | 20.7810 | 299.2038 | 188.1057 | 13.34303 | – |
| 2026 Jan 19 18:57 | 2026 Jan 16 10:56:26 | 99.9914 | 0.00566 | 20.7810 | 299.2038 | 188.1057 | 13.34303 | – |
| 2026 Jan 18 18:57 | 2026 Jan 16 10:56:26 | 99.9914 | 0.00566 | 20.7810 | 299.2038 | 188.1057 | 13.34303 | – |
| 2026 Jan 17 18:56 | 2026 Jan 16 10:56:26 | 99.9914 | 0.00566 | 20.7810 | 299.2038 | 188.1057 | 13.34303 | – |
| 2026 Jan 16 18:57 | 2026 Jan 16 10:56:26 | 99.9914 | 0.00566 | 20.7810 | 299.2038 | 188.1057 | 13.34303 | – |
| 2026 Jan 15 18:56 | 2026 Jan 11 10:19:20 | 99.9911 | 0.00567 | 20.4542 | 311.3003 | 188.1057 | 13.34303 | – |
| 2026 Jan 13 18:56 | 2026 Jan 11 10:19:20 | 99.9911 | 0.00567 | 20.4542 | 311.3003 | 188.1057 | 13.34303 | – |
| 2026 Jan 11 18:57 | 2026 Jan 11 10:19:20 | 99.9911 | 0.00567 | 20.4542 | 311.3003 | 188.1057 | 13.34303 | – |
| 2026 Jan 10 18:57 | 2026 Jan 06 07:56:32 | 99.9907 | 0.00569 | 20.1226 | 323.4786 | 188.1057 | 13.34303 | – |
| 2026 Jan 09 18:57 | 2026 Jan 06 07:56:32 | 99.9907 | 0.00569 | 20.1226 | 323.4786 | 188.1057 | 13.34303 | – |
| 2026 Jan 08 18:56 | 2026 Jan 06 07:56:32 | 99.9907 | 0.00569 | 20.1226 | 323.4786 | 188.1057 | 13.34303 | – |
| 2026 Jan 07 18:57 | 2026 Jan 06 07:56:32 | 99.9907 | 0.00569 | 20.1226 | 323.4786 | 188.1057 | 13.34303 | – |
| 2026 Jan 06 18:56 | 2026 Jan 06 07:56:32 | 99.9907 | 0.00569 | 20.1226 | 323.4786 | 188.1057 | 13.34303 | – |
| 2026 Jan 05 18:57 | 2025 Dec 31 09:48:09 | 99.9901 | 0.00570 | 19.7375 | 337.6673 | 188.1057 | 13.34303 | – |
| 2026 Jan 04 18:56 | 2025 Dec 31 09:48:09 | 99.9901 | 0.00570 | 19.7375 | 337.6673 | 188.1057 | 13.34303 | – |
| 2026 Jan 03 18:57 | 2025 Dec 31 09:48:09 | 99.9901 | 0.00570 | 19.7375 | 337.6673 | 188.1057 | 13.34303 | – |
| 2026 Jan 01 18:56 | 2025 Dec 31 09:48:09 | 99.9901 | 0.00570 | 19.7375 | 337.6673 | 188.1057 | 13.34303 | – |
| 2025 Dec 31 18:57 | 2025 Dec 31 09:48:09 | 99.9901 | 0.00570 | 19.7375 | 337.6673 | 188.1057 | 13.34303 | – |
| 2025 Dec 30 18:56 | 2025 Dec 26 07:40:58 | 99.9897 | 0.00572 | 19.4066 | 349.8377 | 188.1057 | 13.34303 | – |
| 2025 Dec 29 18:56 | 2025 Dec 26 07:40:58 | 99.9897 | 0.00572 | 19.4066 | 349.8377 | 188.1057 | 13.34303 | – |