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 | 21516 |
| 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 07 03:06:15 | 99.8137 | 0.00690 | 19.4842 | 335.7401 | 208.5112 | 13.32990 | – |
| 2026 Jun 11 17:57 | 2026 Jun 07 03:06:15 | 99.8137 | 0.00690 | 19.4842 | 335.7401 | 208.5112 | 13.32990 | – |
| 2026 Jun 10 17:56 | 2026 Jun 07 03:06:15 | 99.8137 | 0.00690 | 19.4842 | 335.7401 | 208.5112 | 13.32990 | – |
| 2026 Jun 09 17:57 | 2026 Jun 07 03:06:15 | 99.8137 | 0.00690 | 19.4842 | 335.7401 | 208.5112 | 13.32990 | – |
| 2026 Jun 08 17:56 | 2026 Jun 07 03:06:15 | 99.8137 | 0.00690 | 19.4842 | 335.7401 | 208.5112 | 13.32990 | – |
| 2026 Jun 07 17:56 | 2026 Jun 07 03:06:15 | 99.8137 | 0.00690 | 19.4842 | 335.7401 | 208.5112 | 13.32990 | – |
| 2026 Jun 06 17:56 | 2026 May 31 08:11:57 | 99.8127 | 0.00692 | 19.0516 | 352.2425 | 208.5112 | 13.32990 | – |
| 2026 Jun 05 17:56 | 2026 May 31 08:11:57 | 99.8127 | 0.00692 | 19.0516 | 352.2425 | 208.5112 | 13.32990 | – |
| 2026 Jun 04 17:57 | 2026 May 31 08:11:57 | 99.8127 | 0.00692 | 19.0516 | 352.2425 | 208.5112 | 13.32990 | – |
| 2026 Jun 02 17:56 | 2026 May 31 08:11:57 | 99.8127 | 0.00692 | 19.0516 | 352.2425 | 208.5112 | 13.32990 | – |
| 2026 Jun 01 17:57 | 2026 May 31 08:11:57 | 99.8127 | 0.00692 | 19.0516 | 352.2425 | 208.5112 | 13.32990 | – |
| 2026 May 31 17:58 | 2026 May 31 08:11:57 | 99.8127 | 0.00692 | 19.0516 | 352.2425 | 208.5112 | 13.32990 | – |
| 2026 May 30 17:57 | 2026 May 26 07:31:00 | 99.8121 | 0.00694 | 18.7311 | 4.4217 | 208.5112 | 13.32990 | – |
| 2026 May 29 17:57 | 2026 May 26 07:31:00 | 99.8121 | 0.00694 | 18.7311 | 4.4217 | 208.5112 | 13.32990 | – |
| 2026 May 28 17:56 | 2026 May 26 07:31:00 | 99.8121 | 0.00694 | 18.7311 | 4.4217 | 208.5112 | 13.32990 | – |
| 2026 May 27 17:57 | 2026 May 26 07:31:00 | 99.8121 | 0.00694 | 18.7311 | 4.4217 | 208.5112 | 13.32990 | – |
| 2026 May 26 17:57 | 2026 May 26 07:31:00 | 99.8121 | 0.00694 | 18.7311 | 4.4217 | 208.5112 | 13.32990 | – |
| 2026 May 25 17:57 | 2026 May 21 08:36:10 | 99.8113 | 0.00696 | 18.4153 | 16.3843 | 208.5112 | 13.32990 | – |
| 2026 May 24 17:57 | 2026 May 21 08:36:10 | 99.8113 | 0.00696 | 18.4153 | 16.3843 | 208.5112 | 13.32990 | – |
| 2026 May 23 17:58 | 2026 May 21 08:36:10 | 99.8113 | 0.00696 | 18.4153 | 16.3843 | 208.5112 | 13.32990 | – |
| 2026 May 22 17:57 | 2026 May 21 08:36:10 | 99.8113 | 0.00696 | 18.4153 | 16.3843 | 208.5112 | 13.32990 | – |
| 2026 May 21 17:57 | 2026 May 21 08:36:10 | 99.8113 | 0.00696 | 18.4153 | 16.3843 | 208.5112 | 13.32990 | – |
| 2026 May 20 17:57 | 2026 May 16 03:15:51 | 99.8103 | 0.00698 | 18.0825 | 28.9602 | 208.5112 | 13.32990 | – |
| 2026 May 19 17:58 | 2026 May 16 03:15:51 | 99.8103 | 0.00698 | 18.0825 | 28.9602 | 208.5112 | 13.32990 | – |
| 2026 May 18 17:57 | 2026 May 16 03:15:51 | 99.8103 | 0.00698 | 18.0825 | 28.9602 | 208.5112 | 13.32990 | – |
| 2026 May 17 17:57 | 2026 May 16 03:15:51 | 99.8103 | 0.00698 | 18.0825 | 28.9602 | 208.5112 | 13.32990 | – |
| 2026 May 16 17:56 | 2026 May 16 03:15:51 | 99.8103 | 0.00698 | 18.0825 | 28.9602 | 208.5112 | 13.32990 | – |