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 | 21550 |
| 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 Aug 01 17:57 | 2026 Aug 01 04:17:22 | 99.8437 | 0.05435 | 6.7212 | 267.2852 | 251.9902 | 12.46047 | – |
| 2026 Jul 31 17:56 | 2026 Jul 25 15:27:47 | 99.8449 | 0.05441 | 6.3620 | 280.7844 | 251.9902 | 12.46047 | – |
| 2026 Jul 30 17:57 | 2026 Jul 25 15:27:47 | 99.8449 | 0.05441 | 6.3620 | 280.7844 | 251.9902 | 12.46047 | – |
| 2026 Jul 29 17:57 | 2026 Jul 25 15:27:47 | 99.8449 | 0.05441 | 6.3620 | 280.7844 | 251.9902 | 12.46047 | – |
| 2026 Jul 28 17:57 | 2026 Jul 25 15:27:47 | 99.8449 | 0.05441 | 6.3620 | 280.7844 | 251.9902 | 12.46047 | – |
| 2026 Jul 27 17:57 | 2026 Jul 25 15:27:47 | 99.8449 | 0.05441 | 6.3620 | 280.7844 | 251.9902 | 12.46047 | – |
| 2026 Jul 26 17:56 | 2026 Jul 21 04:17:37 | 99.8455 | 0.05446 | 6.1165 | 290.0012 | 251.9902 | 12.46047 | – |
| 2026 Jul 25 17:57 | 2026 Jul 21 04:17:37 | 99.8455 | 0.05446 | 6.1165 | 290.0012 | 251.9902 | 12.46047 | – |
| 2026 Jul 24 17:56 | 2026 Jul 21 04:17:37 | 99.8455 | 0.05446 | 6.1165 | 290.0012 | 251.9902 | 12.46047 | – |
| 2026 Jul 23 17:57 | 2026 Jul 21 04:17:37 | 99.8455 | 0.05446 | 6.1165 | 290.0012 | 251.9902 | 12.46047 | – |
| 2026 Jul 22 17:57 | 2026 Jul 21 04:17:37 | 99.8455 | 0.05446 | 6.1165 | 290.0012 | 251.9902 | 12.46047 | – |
| 2026 Jul 21 17:57 | 2026 Jul 21 04:17:37 | 99.8455 | 0.05446 | 6.1165 | 290.0012 | 251.9902 | 12.46047 | – |
| 2026 Jul 20 17:57 | 2026 Jul 15 03:48:46 | 99.8462 | 0.05452 | 5.7855 | 302.4157 | 251.9902 | 12.46047 | – |
| 2026 Jul 19 19:06 | 2026 Jul 15 03:48:46 | 99.8462 | 0.05452 | 5.7855 | 302.4157 | 251.9902 | 12.46047 | – |
| 2026 Jul 19 17:57 | 2026 Jul 15 03:48:46 | 99.8462 | 0.05452 | 5.7855 | 302.4157 | 251.9902 | 12.46047 | – |
| 2026 Jul 18 17:57 | 2026 Jul 15 03:48:46 | 99.8462 | 0.05452 | 5.7855 | 302.4157 | 251.9902 | 12.46047 | – |
| 2026 Jul 17 17:57 | 2026 Jul 15 03:48:46 | 99.8462 | 0.05452 | 5.7855 | 302.4157 | 251.9902 | 12.46047 | – |
| 2026 Jul 16 17:56 | 2026 Jul 15 03:48:46 | 99.8462 | 0.05452 | 5.7855 | 302.4157 | 251.9902 | 12.46047 | – |
| 2026 Jul 15 17:57 | 2026 Jul 11 03:26:42 | 99.8471 | 0.05457 | 5.5647 | 310.6886 | 251.9902 | 12.46047 | – |
| 2026 Jul 14 17:56 | 2026 Jul 11 03:26:42 | 99.8471 | 0.05457 | 5.5647 | 310.6886 | 251.9902 | 12.46047 | – |
| 2026 Jul 13 17:56 | 2026 Jul 11 03:26:42 | 99.8471 | 0.05457 | 5.5647 | 310.6886 | 251.9902 | 12.46047 | – |
| 2026 Jul 12 17:56 | 2026 Jul 11 03:26:42 | 99.8471 | 0.05457 | 5.5647 | 310.6886 | 251.9902 | 12.46047 | – |
| 2026 Jul 11 17:56 | 2026 Jul 11 03:26:42 | 99.8471 | 0.05457 | 5.5647 | 310.6886 | 251.9902 | 12.46047 | – |
| 2026 Jul 09 17:56 | 2026 Jul 04 16:31:48 | 99.8481 | 0.05465 | 5.2098 | 323.9701 | 251.9902 | 12.46047 | – |
| 2026 Jul 08 17:56 | 2026 Jul 04 16:31:48 | 99.8481 | 0.05465 | 5.2098 | 323.9701 | 251.9902 | 12.46047 | – |
| 2026 Jul 07 17:56 | 2026 Jul 04 16:31:48 | 99.8481 | 0.05465 | 5.2098 | 323.9701 | 251.9902 | 12.46047 | – |
| 2026 Jul 06 17:57 | 2026 Jul 04 16:31:48 | 99.8481 | 0.05465 | 5.2098 | 323.9701 | 251.9902 | 12.46047 | – |
| 2026 Jul 05 17:56 | 2026 Jul 04 16:31:48 | 99.8481 | 0.05465 | 5.2098 | 323.9701 | 251.9902 | 12.46047 | – |