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 | 21289 |
| 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 Apr 18 17:56 | 2026 Apr 13 06:10:29 | 99.8868 | 0.02460 | 6.3512 | 155.7130 | 225.2288 | 13.00033 | – |
| 2026 Apr 16 17:57 | 2026 Apr 13 06:10:29 | 99.8868 | 0.02460 | 6.3512 | 155.7130 | 225.2288 | 13.00033 | – |
| 2026 Apr 14 17:57 | 2026 Apr 13 06:10:29 | 99.8868 | 0.02460 | 6.3512 | 155.7130 | 225.2288 | 13.00033 | – |
| 2026 Apr 13 17:57 | 2026 Apr 13 06:10:29 | 99.8868 | 0.02460 | 6.3512 | 155.7130 | 225.2288 | 13.00033 | – |
| 2026 Apr 12 17:57 | 2026 Apr 08 12:11:59 | 99.8870 | 0.02458 | 6.0631 | 166.4403 | 225.2288 | 13.00033 | – |
| 2026 Apr 11 17:57 | 2026 Apr 08 12:11:59 | 99.8870 | 0.02458 | 6.0631 | 166.4403 | 225.2288 | 13.00033 | – |
| 2026 Apr 10 17:58 | 2026 Apr 08 12:11:59 | 99.8870 | 0.02458 | 6.0631 | 166.4403 | 225.2288 | 13.00033 | – |
| 2026 Apr 09 18:01 | 2026 Apr 08 12:11:59 | 99.8870 | 0.02458 | 6.0631 | 166.4403 | 225.2288 | 13.00033 | – |
| 2026 Apr 08 17:57 | 2026 Apr 08 12:11:59 | 99.8870 | 0.02458 | 6.0631 | 166.4403 | 225.2288 | 13.00033 | – |
| 2026 Apr 07 17:57 | 2026 Apr 01 22:52:15 | 99.8870 | 0.02455 | 5.6655 | 181.2703 | 225.2288 | 13.00033 | – |
| 2026 Apr 06 17:57 | 2026 Apr 01 22:52:15 | 99.8870 | 0.02455 | 5.6655 | 181.2703 | 225.2288 | 13.00033 | – |
| 2026 Apr 05 17:56 | 2026 Apr 01 22:52:15 | 99.8870 | 0.02455 | 5.6655 | 181.2703 | 225.2288 | 13.00033 | – |
| 2026 Apr 04 17:57 | 2026 Apr 01 22:52:15 | 99.8870 | 0.02455 | 5.6655 | 181.2703 | 225.2288 | 13.00033 | – |
| 2026 Apr 03 17:56 | 2026 Apr 01 22:52:15 | 99.8870 | 0.02455 | 5.6655 | 181.2703 | 225.2288 | 13.00033 | – |
| 2026 Apr 02 18:03 | 2026 Apr 01 22:52:15 | 99.8870 | 0.02455 | 5.6655 | 181.2703 | 225.2288 | 13.00033 | – |
| 2026 Mar 31 17:57 | 2026 Mar 26 10:22:35 | 99.8876 | 0.02453 | 5.2700 | 196.0259 | 225.2288 | 13.00033 | – |
| 2026 Mar 30 17:58 | 2026 Mar 26 10:22:35 | 99.8876 | 0.02453 | 5.2700 | 196.0259 | 225.2288 | 13.00033 | – |
| 2026 Mar 29 17:57 | 2026 Mar 26 10:22:35 | 99.8876 | 0.02453 | 5.2700 | 196.0259 | 225.2288 | 13.00033 | – |
| 2026 Mar 28 18:57 | 2026 Mar 26 10:22:35 | 99.8876 | 0.02453 | 5.2700 | 196.0259 | 225.2288 | 13.00033 | – |
| 2026 Mar 27 18:57 | 2026 Mar 26 10:22:35 | 99.8876 | 0.02453 | 5.2700 | 196.0259 | 225.2288 | 13.00033 | – |
| 2026 Mar 26 18:57 | 2026 Mar 26 10:22:35 | 99.8876 | 0.02453 | 5.2700 | 196.0259 | 225.2288 | 13.00033 | – |
| 2026 Mar 25 18:56 | 2026 Mar 20 05:55:23 | 99.8882 | 0.02451 | 4.8948 | 210.0429 | 225.2288 | 13.00033 | – |
| 2026 Mar 24 18:56 | 2026 Mar 20 05:55:23 | 99.8882 | 0.02451 | 4.8948 | 210.0429 | 225.2288 | 13.00033 | – |
| 2026 Mar 23 18:56 | 2026 Mar 20 05:55:23 | 99.8882 | 0.02451 | 4.8948 | 210.0429 | 225.2288 | 13.00033 | – |
| 2026 Mar 22 18:56 | 2026 Mar 20 05:55:23 | 99.8882 | 0.02451 | 4.8948 | 210.0429 | 225.2288 | 13.00033 | – |