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 | 21288 |
| 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 May 03 17:57 | 2026 Apr 30 11:01:29 | 99.6892 | 0.03559 | 3.7701 | 289.8635 | 193.8979 | 12.75775 | – |
| 2026 May 02 17:57 | 2026 Apr 30 11:01:29 | 99.6892 | 0.03559 | 3.7701 | 289.8635 | 193.8979 | 12.75775 | – |
| 2026 May 01 17:56 | 2026 Apr 30 11:01:29 | 99.6892 | 0.03559 | 3.7701 | 289.8635 | 193.8979 | 12.75775 | – |
| 2026 Apr 30 17:56 | 2026 Apr 30 11:01:29 | 99.6892 | 0.03559 | 3.7701 | 289.8635 | 193.8979 | 12.75775 | – |
| 2026 Apr 29 17:57 | 2026 Apr 24 08:12:46 | 99.6892 | 0.03561 | 3.4216 | 303.2357 | 193.8979 | 12.75775 | – |
| 2026 Apr 28 17:56 | 2026 Apr 24 08:12:46 | 99.6892 | 0.03561 | 3.4216 | 303.2357 | 193.8979 | 12.75775 | – |
| 2026 Apr 27 17:58 | 2026 Apr 24 08:12:46 | 99.6892 | 0.03561 | 3.4216 | 303.2357 | 193.8979 | 12.75775 | – |
| 2026 Apr 26 17:58 | 2026 Apr 24 08:12:46 | 99.6892 | 0.03561 | 3.4216 | 303.2357 | 193.8979 | 12.75775 | – |
| 2026 Apr 25 17:58 | 2026 Apr 24 08:12:46 | 99.6892 | 0.03561 | 3.4216 | 303.2357 | 193.8979 | 12.75775 | – |
| 2026 Apr 24 17:59 | 2026 Apr 24 08:12:46 | 99.6892 | 0.03561 | 3.4216 | 303.2357 | 193.8979 | 12.75775 | – |
| 2026 Apr 23 17:57 | 2026 Apr 19 07:55:26 | 99.6884 | 0.03563 | 3.1361 | 314.1797 | 193.8979 | 12.75775 | – |
| 2026 Apr 22 17:57 | 2026 Apr 19 07:55:26 | 99.6884 | 0.03563 | 3.1361 | 314.1797 | 193.8979 | 12.75775 | – |
| 2026 Apr 21 17:57 | 2026 Apr 19 07:55:26 | 99.6884 | 0.03563 | 3.1361 | 314.1797 | 193.8979 | 12.75775 | – |
| 2026 Apr 20 17:57 | 2026 Apr 19 07:55:26 | 99.6884 | 0.03563 | 3.1361 | 314.1797 | 193.8979 | 12.75775 | – |
| 2026 Apr 19 17:58 | 2026 Apr 19 07:55:26 | 99.6884 | 0.03563 | 3.1361 | 314.1797 | 193.8979 | 12.75775 | – |
| 2026 Apr 18 17:56 | 2026 Apr 13 07:00:47 | 99.6879 | 0.03565 | 2.7921 | 327.3625 | 193.8979 | 12.75775 | – |
| 2026 Apr 16 17:57 | 2026 Apr 13 07:00:47 | 99.6879 | 0.03565 | 2.7921 | 327.3625 | 193.8979 | 12.75775 | – |
| 2026 Apr 14 17:57 | 2026 Apr 13 07:00:47 | 99.6879 | 0.03565 | 2.7921 | 327.3625 | 193.8979 | 12.75775 | – |
| 2026 Apr 13 17:57 | 2026 Apr 13 07:00:47 | 99.6879 | 0.03565 | 2.7921 | 327.3625 | 193.8979 | 12.75775 | – |
| 2026 Apr 12 17:57 | 2026 Apr 08 06:34:11 | 99.6874 | 0.03568 | 2.5063 | 338.2941 | 193.8979 | 12.75775 | – |
| 2026 Apr 11 17:57 | 2026 Apr 08 06:34:11 | 99.6874 | 0.03568 | 2.5063 | 338.2941 | 193.8979 | 12.75775 | – |
| 2026 Apr 10 17:58 | 2026 Apr 08 06:34:11 | 99.6874 | 0.03568 | 2.5063 | 338.2941 | 193.8979 | 12.75775 | – |
| 2026 Apr 09 18:01 | 2026 Apr 08 06:34:11 | 99.6874 | 0.03568 | 2.5063 | 338.2941 | 193.8979 | 12.75775 | – |
| 2026 Apr 08 17:57 | 2026 Apr 08 06:34:11 | 99.6874 | 0.03568 | 2.5063 | 338.2941 | 193.8979 | 12.75775 | – |
| 2026 Apr 07 17:57 | 2026 Apr 02 07:30:37 | 99.6870 | 0.03571 | 2.1669 | 351.2787 | 193.8979 | 12.75775 | – |
| 2026 Apr 06 17:57 | 2026 Apr 02 07:30:37 | 99.6870 | 0.03571 | 2.1669 | 351.2787 | 193.8979 | 12.75775 | – |