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 | 21515 |
| 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 |
| 2025 Sep 15 17:56 | 2025 Sep 14 03:31:54 | 99.7353 | 0.02744 | 22.0999 | 139.3794 | 252.2347 | 12.98681 | – |
| 2025 Sep 12 17:57 | 2025 Sep 03 04:58:33 | 99.7351 | 0.02743 | 21.4481 | 164.0345 | 252.2347 | 12.98681 | – |
| 2025 Sep 11 17:57 | 2025 Sep 03 04:58:33 | 99.7351 | 0.02743 | 21.4481 | 164.0345 | 252.2347 | 12.98681 | – |
| 2025 Sep 10 17:56 | 2025 Sep 03 04:58:33 | 99.7351 | 0.02743 | 21.4481 | 164.0345 | 252.2347 | 12.98681 | – |
| 2025 Sep 08 17:57 | 2025 Sep 03 04:58:33 | 99.7351 | 0.02743 | 21.4481 | 164.0345 | 252.2347 | 12.98681 | – |
| 2025 Sep 07 17:56 | 2025 Sep 03 04:58:33 | 99.7351 | 0.02743 | 21.4481 | 164.0345 | 252.2347 | 12.98681 | – |
| 2025 Sep 06 20:41 | 2025 Sep 03 04:58:33 | 99.7351 | 0.02743 | 21.4481 | 164.0345 | 252.2347 | 12.98681 | – |
| 2025 Sep 03 17:57 | 2025 Sep 03 04:58:33 | 99.7351 | 0.02743 | 21.4481 | 164.0345 | 252.2347 | 12.98681 | – |
| 2025 Sep 02 17:56 | 2025 Aug 27 04:41:58 | 99.7350 | 0.02741 | 21.0303 | 179.8289 | 252.2347 | 12.98681 | – |
| 2025 Sep 01 17:56 | 2025 Aug 27 04:41:58 | 99.7350 | 0.02741 | 21.0303 | 179.8289 | 252.2347 | 12.98681 | – |
| 2025 Aug 31 17:56 | 2025 Aug 27 04:41:58 | 99.7350 | 0.02741 | 21.0303 | 179.8289 | 252.2347 | 12.98681 | – |
| 2025 Aug 30 17:56 | 2025 Aug 27 04:41:58 | 99.7350 | 0.02741 | 21.0303 | 179.8289 | 252.2347 | 12.98681 | – |
| 2025 Aug 29 17:56 | 2025 Aug 27 04:41:58 | 99.7350 | 0.02741 | 21.0303 | 179.8289 | 252.2347 | 12.98681 | – |
| 2025 Aug 28 17:57 | 2025 Aug 27 04:41:58 | 99.7350 | 0.02741 | 21.0303 | 179.8289 | 252.2347 | 12.98681 | – |
| 2025 Aug 27 17:56 | 2025 Aug 23 04:33:35 | 99.7358 | 0.02739 | 20.7916 | 188.8667 | 252.2347 | 12.98681 | – |
| 2025 Aug 26 17:56 | 2025 Aug 23 04:33:35 | 99.7358 | 0.02739 | 20.7916 | 188.8667 | 252.2347 | 12.98681 | – |
| 2025 Aug 25 17:56 | 2025 Aug 23 04:33:35 | 99.7358 | 0.02739 | 20.7916 | 188.8667 | 252.2347 | 12.98681 | – |
| 2025 Aug 24 17:56 | 2025 Aug 23 04:33:35 | 99.7358 | 0.02739 | 20.7916 | 188.8667 | 252.2347 | 12.98681 | – |
| 2025 Aug 23 17:56 | 2025 Aug 23 04:33:35 | 99.7358 | 0.02739 | 20.7916 | 188.8667 | 252.2347 | 12.98681 | – |
| 2025 Aug 22 17:56 | 2025 Aug 18 04:22:54 | 99.7365 | 0.02736 | 20.4931 | 200.1494 | 252.2347 | 12.98681 | – |
| 2025 Aug 20 17:56 | 2025 Aug 18 04:22:54 | 99.7365 | 0.02736 | 20.4931 | 200.1494 | 252.2347 | 12.98681 | – |