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 | 21548 |
| 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 18 17:57 | 2026 May 16 11:39:54 | 99.8093 | 0.02477 | 14.6856 | 100.7939 | 285.2297 | 12.95769 | – |
| 2026 May 17 17:57 | 2026 May 16 11:39:54 | 99.8093 | 0.02477 | 14.6856 | 100.7939 | 285.2297 | 12.95769 | – |
| 2026 May 16 17:56 | 2026 May 16 11:39:54 | 99.8093 | 0.02477 | 14.6856 | 100.7939 | 285.2297 | 12.95769 | – |
| 2026 May 15 17:57 | 2026 May 10 03:54:58 | 99.8089 | 0.02478 | 14.3080 | 114.9537 | 285.2297 | 12.95769 | – |
| 2026 May 14 17:58 | 2026 May 10 03:54:58 | 99.8089 | 0.02478 | 14.3080 | 114.9537 | 285.2297 | 12.95769 | – |
| 2026 May 13 17:58 | 2026 May 10 03:54:58 | 99.8089 | 0.02478 | 14.3080 | 114.9537 | 285.2297 | 12.95769 | – |
| 2026 May 12 17:58 | 2026 May 10 03:54:58 | 99.8089 | 0.02478 | 14.3080 | 114.9537 | 285.2297 | 12.95769 | – |
| 2026 May 11 17:56 | 2026 May 10 03:54:58 | 99.8089 | 0.02478 | 14.3080 | 114.9537 | 285.2297 | 12.95769 | – |
| 2026 May 10 17:57 | 2026 May 10 03:54:58 | 99.8089 | 0.02478 | 14.3080 | 114.9537 | 285.2297 | 12.95769 | – |
| 2026 May 09 17:57 | 2026 May 05 12:30:10 | 99.8086 | 0.02479 | 14.0308 | 125.3392 | 285.2297 | 12.95769 | – |
| 2026 May 08 17:57 | 2026 May 05 12:30:10 | 99.8086 | 0.02479 | 14.0308 | 125.3392 | 285.2297 | 12.95769 | – |
| 2026 May 07 17:58 | 2026 May 05 12:30:10 | 99.8086 | 0.02479 | 14.0308 | 125.3392 | 285.2297 | 12.95769 | – |
| 2026 May 06 17:57 | 2026 May 05 12:30:10 | 99.8086 | 0.02479 | 14.0308 | 125.3392 | 285.2297 | 12.95769 | – |
| 2026 May 05 17:57 | 2026 May 05 12:30:10 | 99.8086 | 0.02479 | 14.0308 | 125.3392 | 285.2297 | 12.95769 | – |
| 2026 May 04 17:57 | 2026 Apr 30 04:42:26 | 99.8087 | 0.02479 | 13.7128 | 137.2530 | 285.2297 | 12.95769 | – |
| 2026 May 03 17:57 | 2026 Apr 30 04:42:26 | 99.8087 | 0.02479 | 13.7128 | 137.2530 | 285.2297 | 12.95769 | – |
| 2026 May 02 17:57 | 2026 Apr 30 04:42:26 | 99.8087 | 0.02479 | 13.7128 | 137.2530 | 285.2297 | 12.95769 | – |
| 2026 May 01 17:56 | 2026 Apr 30 04:42:26 | 99.8087 | 0.02479 | 13.7128 | 137.2530 | 285.2297 | 12.95769 | – |
| 2026 Apr 30 17:56 | 2026 Apr 30 04:42:26 | 99.8087 | 0.02479 | 13.7128 | 137.2530 | 285.2297 | 12.95769 | – |
| 2026 Apr 29 17:57 | 2026 Apr 24 04:09:21 | 99.8089 | 0.02479 | 13.3532 | 150.7340 | 285.2297 | 12.95769 | – |
| 2026 Apr 28 17:56 | 2026 Apr 24 04:09:21 | 99.8089 | 0.02479 | 13.3532 | 150.7340 | 285.2297 | 12.95769 | – |
| 2026 Apr 27 17:58 | 2026 Apr 24 04:09:21 | 99.8089 | 0.02479 | 13.3532 | 150.7340 | 285.2297 | 12.95769 | – |
| 2026 Apr 26 17:58 | 2026 Apr 24 04:09:21 | 99.8089 | 0.02479 | 13.3532 | 150.7340 | 285.2297 | 12.95769 | – |
| 2026 Apr 25 17:58 | 2026 Apr 24 04:09:21 | 99.8089 | 0.02479 | 13.3532 | 150.7340 | 285.2297 | 12.95769 | – |
| 2026 Apr 24 17:59 | 2026 Apr 24 04:09:21 | 99.8089 | 0.02479 | 13.3532 | 150.7340 | 285.2297 | 12.95769 | – |
| 2026 Apr 23 17:57 | 2026 Apr 19 11:03:40 | 99.8086 | 0.02477 | 13.0717 | 161.2829 | 285.2297 | 12.95769 | – |
| 2026 Apr 22 17:57 | 2026 Apr 19 11:03:40 | 99.8086 | 0.02477 | 13.0717 | 161.2829 | 285.2297 | 12.95769 | – |
| 2026 Apr 21 17:57 | 2026 Apr 19 11:03:40 | 99.8086 | 0.02477 | 13.0717 | 161.2829 | 285.2297 | 12.95769 | – |