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 | 21387 |
| 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 15 06:43:31 | 99.4908 | 0.00466 | 4.5090 | 345.2980 | 169.1805 | 13.46359 | – |
| 2026 May 17 17:57 | 2026 May 15 06:43:31 | 99.4908 | 0.00466 | 4.5090 | 345.2980 | 169.1805 | 13.46359 | – |
| 2026 May 16 17:56 | 2026 May 15 06:43:31 | 99.4908 | 0.00466 | 4.5090 | 345.2980 | 169.1805 | 13.46359 | – |
| 2026 May 15 17:57 | 2026 May 10 07:13:03 | 99.4906 | 0.00469 | 4.1947 | 357.5022 | 169.1805 | 13.46359 | – |
| 2026 May 14 17:58 | 2026 May 10 07:13:03 | 99.4906 | 0.00469 | 4.1947 | 357.5022 | 169.1805 | 13.46359 | – |
| 2026 May 13 17:58 | 2026 May 10 07:13:03 | 99.4906 | 0.00469 | 4.1947 | 357.5022 | 169.1805 | 13.46359 | – |
| 2026 May 12 17:58 | 2026 May 10 07:13:03 | 99.4906 | 0.00469 | 4.1947 | 357.5022 | 169.1805 | 13.46359 | – |
| 2026 May 11 17:56 | 2026 May 10 07:13:03 | 99.4906 | 0.00469 | 4.1947 | 357.5022 | 169.1805 | 13.46359 | – |
| 2026 May 10 17:57 | 2026 May 10 07:13:03 | 99.4906 | 0.00469 | 4.1947 | 357.5022 | 169.1805 | 13.46359 | – |
| 2026 May 09 17:57 | 2026 May 04 18:37:37 | 99.4908 | 0.00471 | 3.8461 | 10.8981 | 169.1805 | 13.46359 | – |
| 2026 May 08 17:57 | 2026 May 04 18:37:37 | 99.4908 | 0.00471 | 3.8461 | 10.8981 | 169.1805 | 13.46359 | – |
| 2026 May 07 17:58 | 2026 May 04 18:37:37 | 99.4908 | 0.00471 | 3.8461 | 10.8981 | 169.1805 | 13.46359 | – |
| 2026 May 06 17:57 | 2026 May 04 18:37:37 | 99.4908 | 0.00471 | 3.8461 | 10.8981 | 169.1805 | 13.46359 | – |
| 2026 May 05 17:57 | 2026 May 04 18:37:37 | 99.4908 | 0.00471 | 3.8461 | 10.8981 | 169.1805 | 13.46359 | – |
| 2026 May 04 17:57 | 2026 Apr 30 08:06:20 | 99.4906 | 0.00473 | 3.5660 | 21.5847 | 169.1805 | 13.46359 | – |
| 2026 May 03 17:57 | 2026 Apr 30 08:06:20 | 99.4906 | 0.00473 | 3.5660 | 21.5847 | 169.1805 | 13.46359 | – |
| 2026 May 02 17:57 | 2026 Apr 30 08:06:20 | 99.4906 | 0.00473 | 3.5660 | 21.5847 | 169.1805 | 13.46359 | – |
| 2026 May 01 17:56 | 2026 Apr 30 08:06:20 | 99.4906 | 0.00473 | 3.5660 | 21.5847 | 169.1805 | 13.46359 | – |
| 2026 Apr 30 17:56 | 2026 Apr 30 08:06:20 | 99.4906 | 0.00473 | 3.5660 | 21.5847 | 169.1805 | 13.46359 | – |
| 2026 Apr 29 17:57 | 2026 Apr 23 14:04:14 | 99.4900 | 0.00475 | 3.1399 | 37.8491 | 169.1805 | 13.46359 | – |
| 2026 Apr 28 17:56 | 2026 Apr 23 14:04:14 | 99.4900 | 0.00475 | 3.1399 | 37.8491 | 169.1805 | 13.46359 | – |
| 2026 Apr 27 17:58 | 2026 Apr 23 14:04:14 | 99.4900 | 0.00475 | 3.1399 | 37.8491 | 169.1805 | 13.46359 | – |
| 2026 Apr 26 17:58 | 2026 Apr 23 14:04:14 | 99.4900 | 0.00475 | 3.1399 | 37.8491 | 169.1805 | 13.46359 | – |
| 2026 Apr 25 17:58 | 2026 Apr 23 14:04:14 | 99.4900 | 0.00475 | 3.1399 | 37.8491 | 169.1805 | 13.46359 | – |
| 2026 Apr 24 17:59 | 2026 Apr 23 14:04:14 | 99.4900 | 0.00475 | 3.1399 | 37.8491 | 169.1805 | 13.46359 | – |
| 2026 Apr 23 17:57 | 2026 Apr 18 07:17:36 | 99.4894 | 0.00475 | 2.8066 | 50.5654 | 169.1805 | 13.46359 | – |
| 2026 Apr 22 17:57 | 2026 Apr 18 07:17:36 | 99.4894 | 0.00475 | 2.8066 | 50.5654 | 169.1805 | 13.46359 | – |
| 2026 Apr 21 17:57 | 2026 Apr 18 07:17:36 | 99.4894 | 0.00475 | 2.8066 | 50.5654 | 169.1805 | 13.46359 | – |