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 | 21542 |
| 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 Jun 15 17:56 | 2026 Jun 11 21:33:01 | 100.2812 | 0.00513 | 2.9465 | 31.5404 | 30.2762 | 13.38551 | – |
| 2026 Jun 14 17:57 | 2026 Jun 11 21:33:01 | 100.2812 | 0.00513 | 2.9465 | 31.5404 | 30.2762 | 13.38551 | – |
| 2026 Jun 13 17:56 | 2026 Jun 11 21:33:01 | 100.2812 | 0.00513 | 2.9465 | 31.5404 | 30.2762 | 13.38551 | – |
| 2026 Jun 12 17:56 | 2026 Jun 11 21:33:01 | 100.2812 | 0.00513 | 2.9465 | 31.5404 | 30.2762 | 13.38551 | – |
| 2026 Jun 11 17:57 | 2026 Jun 01 03:40:50 | 100.2824 | 0.00513 | 2.2224 | 56.4604 | 30.2762 | 13.38551 | – |
| 2026 Jun 10 17:56 | 2026 Jun 01 03:40:50 | 100.2824 | 0.00513 | 2.2224 | 56.4604 | 30.2762 | 13.38551 | – |
| 2026 Jun 09 17:57 | 2026 Jun 01 03:40:50 | 100.2824 | 0.00513 | 2.2224 | 56.4604 | 30.2762 | 13.38551 | – |
| 2026 Jun 08 17:56 | 2026 Jun 01 03:40:50 | 100.2824 | 0.00513 | 2.2224 | 56.4604 | 30.2762 | 13.38551 | – |
| 2026 Jun 07 17:56 | 2026 Jun 01 03:40:50 | 100.2824 | 0.00513 | 2.2224 | 56.4604 | 30.2762 | 13.38551 | – |
| 2026 Jun 06 17:56 | 2026 May 31 11:24:02 | 100.2823 | 0.00513 | 2.1767 | 58.0482 | 30.2762 | 13.38551 | – |
| 2026 Jun 05 17:56 | 2026 May 31 11:24:02 | 100.2823 | 0.00513 | 2.1767 | 58.0482 | 30.2762 | 13.38551 | – |
| 2026 Jun 04 17:57 | 2026 May 31 11:24:02 | 100.2823 | 0.00513 | 2.1767 | 58.0482 | 30.2762 | 13.38551 | – |
| 2026 Jun 02 17:56 | 2026 May 31 11:24:02 | 100.2823 | 0.00513 | 2.1767 | 58.0482 | 30.2762 | 13.38551 | – |
| 2026 Jun 01 17:57 | 2026 May 31 11:24:02 | 100.2823 | 0.00513 | 2.1767 | 58.0482 | 30.2762 | 13.38551 | – |
| 2026 May 31 17:58 | 2026 May 31 11:24:02 | 100.2823 | 0.00513 | 2.1767 | 58.0482 | 30.2762 | 13.38551 | – |
| 2026 May 30 17:57 | 2026 May 24 15:39:48 | 100.2831 | 0.00512 | 1.7169 | 73.9311 | 30.2762 | 13.38551 | – |
| 2026 May 29 17:57 | 2026 May 24 15:39:48 | 100.2831 | 0.00512 | 1.7169 | 73.9311 | 30.2762 | 13.38551 | – |
| 2026 May 28 17:56 | 2026 May 24 15:39:48 | 100.2831 | 0.00512 | 1.7169 | 73.9311 | 30.2762 | 13.38551 | – |
| 2026 May 27 17:57 | 2026 May 24 15:39:48 | 100.2831 | 0.00512 | 1.7169 | 73.9311 | 30.2762 | 13.38551 | – |
| 2026 May 26 17:57 | 2026 May 24 15:39:48 | 100.2831 | 0.00512 | 1.7169 | 73.9311 | 30.2762 | 13.38551 | – |
| 2026 May 25 17:57 | 2026 May 20 02:53:20 | 100.2835 | 0.00511 | 1.4114 | 84.5030 | 30.2762 | 13.38551 | – |
| 2026 May 24 17:57 | 2026 May 20 02:53:20 | 100.2835 | 0.00511 | 1.4114 | 84.5030 | 30.2762 | 13.38551 | – |
| 2026 May 23 17:58 | 2026 May 20 02:53:20 | 100.2835 | 0.00511 | 1.4114 | 84.5030 | 30.2762 | 13.38551 | – |
| 2026 May 22 17:57 | 2026 May 20 02:53:20 | 100.2835 | 0.00511 | 1.4114 | 84.5030 | 30.2762 | 13.38551 | – |
| 2026 May 21 17:57 | 2026 May 20 02:53:20 | 100.2835 | 0.00511 | 1.4114 | 84.5030 | 30.2762 | 13.38551 | – |
| 2026 May 20 17:57 | 2026 May 16 11:04:21 | 100.2839 | 0.00509 | 1.1647 | 93.0703 | 30.2762 | 13.38551 | – |
| 2026 May 19 17:58 | 2026 May 16 11:04:21 | 100.2839 | 0.00509 | 1.1647 | 93.0703 | 30.2762 | 13.38551 | – |