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 | 21278 |
| 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 13 17:58 | 2026 May 10 08:44:04 | 99.8202 | 0.03880 | 19.2811 | 314.6874 | 71.7848 | 12.77539 | – |
| 2026 May 12 17:58 | 2026 May 10 08:44:04 | 99.8202 | 0.03880 | 19.2811 | 314.6874 | 71.7848 | 12.77539 | – |
| 2026 May 11 17:56 | 2026 May 10 08:44:04 | 99.8202 | 0.03880 | 19.2811 | 314.6874 | 71.7848 | 12.77539 | – |
| 2026 May 10 17:57 | 2026 May 10 08:44:04 | 99.8202 | 0.03880 | 19.2811 | 314.6874 | 71.7848 | 12.77539 | – |
| 2026 May 09 17:57 | 2026 May 05 10:17:47 | 99.8193 | 0.03881 | 18.9952 | 325.4522 | 71.7848 | 12.77539 | – |
| 2026 May 08 17:57 | 2026 May 05 10:17:47 | 99.8193 | 0.03881 | 18.9952 | 325.4522 | 71.7848 | 12.77539 | – |
| 2026 May 07 17:58 | 2026 May 05 10:17:47 | 99.8193 | 0.03881 | 18.9952 | 325.4522 | 71.7848 | 12.77539 | – |
| 2026 May 06 17:57 | 2026 May 05 10:17:47 | 99.8193 | 0.03881 | 18.9952 | 325.4522 | 71.7848 | 12.77539 | – |
| 2026 May 05 17:57 | 2026 May 05 10:17:47 | 99.8193 | 0.03881 | 18.9952 | 325.4522 | 71.7848 | 12.77539 | – |
| 2026 May 04 17:57 | 2026 Apr 30 10:10:22 | 99.8185 | 0.03883 | 18.7053 | 336.3667 | 71.7848 | 12.77539 | – |
| 2026 May 03 17:57 | 2026 Apr 30 10:10:22 | 99.8185 | 0.03883 | 18.7053 | 336.3667 | 71.7848 | 12.77539 | – |
| 2026 May 02 17:57 | 2026 Apr 30 10:10:22 | 99.8185 | 0.03883 | 18.7053 | 336.3667 | 71.7848 | 12.77539 | – |
| 2026 May 01 17:56 | 2026 Apr 30 10:10:22 | 99.8185 | 0.03883 | 18.7053 | 336.3667 | 71.7848 | 12.77539 | – |
| 2026 Apr 30 17:56 | 2026 Apr 30 10:10:22 | 99.8185 | 0.03883 | 18.7053 | 336.3667 | 71.7848 | 12.77539 | – |
| 2026 Apr 29 17:57 | 2026 Apr 24 09:18:59 | 99.8180 | 0.03884 | 18.3556 | 349.5250 | 71.7848 | 12.77539 | – |
| 2026 Apr 28 17:56 | 2026 Apr 24 09:18:59 | 99.8180 | 0.03884 | 18.3556 | 349.5250 | 71.7848 | 12.77539 | – |
| 2026 Apr 27 17:58 | 2026 Apr 24 09:18:59 | 99.8180 | 0.03884 | 18.3556 | 349.5250 | 71.7848 | 12.77539 | – |
| 2026 Apr 26 17:58 | 2026 Apr 24 09:18:59 | 99.8180 | 0.03884 | 18.3556 | 349.5250 | 71.7848 | 12.77539 | – |
| 2026 Apr 25 17:58 | 2026 Apr 24 09:18:59 | 99.8180 | 0.03884 | 18.3556 | 349.5250 | 71.7848 | 12.77539 | – |
| 2026 Apr 24 17:59 | 2026 Apr 24 09:18:59 | 99.8180 | 0.03884 | 18.3556 | 349.5250 | 71.7848 | 12.77539 | – |
| 2026 Apr 23 17:57 | 2026 Apr 19 08:56:55 | 99.8169 | 0.03886 | 18.0651 | 0.4554 | 71.7848 | 12.77539 | – |
| 2026 Apr 22 17:57 | 2026 Apr 19 08:56:55 | 99.8169 | 0.03886 | 18.0651 | 0.4554 | 71.7848 | 12.77539 | – |
| 2026 Apr 21 17:57 | 2026 Apr 19 08:56:55 | 99.8169 | 0.03886 | 18.0651 | 0.4554 | 71.7848 | 12.77539 | – |
| 2026 Apr 20 17:57 | 2026 Apr 19 08:56:55 | 99.8169 | 0.03886 | 18.0651 | 0.4554 | 71.7848 | 12.77539 | – |
| 2026 Apr 19 17:58 | 2026 Apr 19 08:56:55 | 99.8169 | 0.03886 | 18.0651 | 0.4554 | 71.7848 | 12.77539 | – |
| 2026 Apr 18 17:56 | 2026 Apr 13 06:53:22 | 99.8162 | 0.03887 | 17.7126 | 13.7159 | 71.7848 | 12.77539 | – |
| 2026 Apr 16 17:57 | 2026 Apr 13 06:53:22 | 99.8162 | 0.03887 | 17.7126 | 13.7159 | 71.7848 | 12.77539 | – |