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 | 21504 |
| 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 12 17:56 | 2026 Jun 08 18:33:18 | 99.8323 | 0.05439 | 6.0278 | 184.1742 | 241.1264 | 12.48613 | – |
| 2026 Jun 11 17:57 | 2026 Jun 02 07:10:33 | 99.8322 | 0.05437 | 5.6706 | 197.6319 | 241.1264 | 12.48613 | – |
| 2026 Jun 10 17:56 | 2026 Jun 02 07:10:33 | 99.8322 | 0.05437 | 5.6706 | 197.6319 | 241.1264 | 12.48613 | – |
| 2026 Jun 09 17:57 | 2026 Jun 02 07:10:33 | 99.8322 | 0.05437 | 5.6706 | 197.6319 | 241.1264 | 12.48613 | – |
| 2026 Jun 08 17:56 | 2026 Jun 02 07:10:33 | 99.8322 | 0.05437 | 5.6706 | 197.6319 | 241.1264 | 12.48613 | – |
| 2026 Jun 07 17:56 | 2026 Jun 02 07:10:33 | 99.8322 | 0.05437 | 5.6706 | 197.6319 | 241.1264 | 12.48613 | – |
| 2026 Jun 06 17:56 | 2026 May 31 08:58:34 | 99.8328 | 0.05436 | 5.5645 | 201.6391 | 241.1264 | 12.48613 | – |
| 2026 Jun 05 17:56 | 2026 May 31 08:58:34 | 99.8328 | 0.05436 | 5.5645 | 201.6391 | 241.1264 | 12.48613 | – |
| 2026 Jun 04 17:57 | 2026 May 31 08:58:34 | 99.8328 | 0.05436 | 5.5645 | 201.6391 | 241.1264 | 12.48613 | – |
| 2026 Jun 02 17:56 | 2026 May 31 08:58:34 | 99.8328 | 0.05436 | 5.5645 | 201.6391 | 241.1264 | 12.48613 | – |
| 2026 Jun 01 17:57 | 2026 May 31 08:58:34 | 99.8328 | 0.05436 | 5.5645 | 201.6391 | 241.1264 | 12.48613 | – |
| 2026 May 31 17:58 | 2026 May 31 08:58:34 | 99.8328 | 0.05436 | 5.5645 | 201.6391 | 241.1264 | 12.48613 | – |
| 2026 May 30 17:57 | 2026 May 26 06:05:29 | 99.8321 | 0.05435 | 5.2820 | 212.2766 | 241.1264 | 12.48613 | – |
| 2026 May 29 17:57 | 2026 May 26 06:05:29 | 99.8321 | 0.05435 | 5.2820 | 212.2766 | 241.1264 | 12.48613 | – |
| 2026 May 28 17:56 | 2026 May 26 06:05:29 | 99.8321 | 0.05435 | 5.2820 | 212.2766 | 241.1264 | 12.48613 | – |
| 2026 May 27 17:57 | 2026 May 26 06:05:29 | 99.8321 | 0.05435 | 5.2820 | 212.2766 | 241.1264 | 12.48613 | – |
| 2026 May 26 17:57 | 2026 May 26 06:05:29 | 99.8321 | 0.05435 | 5.2820 | 212.2766 | 241.1264 | 12.48613 | – |
| 2026 May 25 17:57 | 2026 May 20 07:38:24 | 99.8317 | 0.05433 | 4.9546 | 224.5968 | 241.1264 | 12.48613 | – |
| 2026 May 24 17:57 | 2026 May 20 07:38:24 | 99.8317 | 0.05433 | 4.9546 | 224.5968 | 241.1264 | 12.48613 | – |
| 2026 May 23 17:58 | 2026 May 20 07:38:24 | 99.8317 | 0.05433 | 4.9546 | 224.5968 | 241.1264 | 12.48613 | – |
| 2026 May 22 17:57 | 2026 May 20 07:38:24 | 99.8317 | 0.05433 | 4.9546 | 224.5968 | 241.1264 | 12.48613 | – |
| 2026 May 21 17:57 | 2026 May 20 07:38:24 | 99.8317 | 0.05433 | 4.9546 | 224.5968 | 241.1264 | 12.48613 | – |
| 2026 May 20 17:57 | 2026 May 15 06:37:34 | 99.8318 | 0.05435 | 4.6765 | 235.0954 | 241.1264 | 12.48613 | – |
| 2026 May 19 17:58 | 2026 May 15 06:37:34 | 99.8318 | 0.05435 | 4.6765 | 235.0954 | 241.1264 | 12.48613 | – |
| 2026 May 18 17:57 | 2026 May 15 06:37:34 | 99.8318 | 0.05435 | 4.6765 | 235.0954 | 241.1264 | 12.48613 | – |
| 2026 May 17 17:57 | 2026 May 15 06:37:34 | 99.8318 | 0.05435 | 4.6765 | 235.0954 | 241.1264 | 12.48613 | – |
| 2026 May 16 17:56 | 2026 May 15 06:37:34 | 99.8318 | 0.05435 | 4.6765 | 235.0954 | 241.1264 | 12.48613 | – |