Orbital elements of DELTA 1 DEB
| Launched | 4 March 1978 |
| Flight ended | – |
| Launch site | Air Force Western Test Range, California, USA |
| Owner | United States |
| NORAD ID | 12257 |
| 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 Apr 28 17:56 | 2026 Apr 24 07:00:59 | 99.3171 | 0.01016 | 4.6342 | 66.7647 | 294.4178 | 14.04832 | – |
| 2026 Apr 27 17:58 | 2026 Apr 24 07:00:59 | 99.3171 | 0.01016 | 4.6342 | 66.7647 | 294.4178 | 14.04832 | – |
| 2026 Apr 26 17:58 | 2026 Apr 24 07:00:59 | 99.3171 | 0.01016 | 4.6342 | 66.7647 | 294.4178 | 14.04832 | – |
| 2026 Apr 25 17:58 | 2026 Apr 24 07:00:59 | 99.3171 | 0.01016 | 4.6342 | 66.7647 | 294.4178 | 14.04832 | – |
| 2026 Apr 24 17:59 | 2026 Apr 24 07:00:59 | 99.3171 | 0.01016 | 4.6342 | 66.7647 | 294.4178 | 14.04832 | – |
| 2026 Apr 23 17:57 | 2026 Apr 19 07:21:51 | 99.3162 | 0.01015 | 4.2930 | 80.3762 | 294.4178 | 14.04832 | – |
| 2026 Apr 22 17:57 | 2026 Apr 19 07:21:51 | 99.3162 | 0.01015 | 4.2930 | 80.3762 | 294.4178 | 14.04832 | – |
| 2026 Apr 21 17:57 | 2026 Apr 19 07:21:51 | 99.3162 | 0.01015 | 4.2930 | 80.3762 | 294.4178 | 14.04832 | – |
| 2026 Apr 20 17:57 | 2026 Apr 19 07:21:51 | 99.3162 | 0.01015 | 4.2930 | 80.3762 | 294.4178 | 14.04832 | – |
| 2026 Apr 19 17:58 | 2026 Apr 19 07:21:51 | 99.3162 | 0.01015 | 4.2930 | 80.3762 | 294.4178 | 14.04832 | – |
| 2026 Apr 18 17:56 | 2026 Apr 13 02:39:08 | 99.3150 | 0.01015 | 3.8691 | 97.2684 | 294.4178 | 14.04832 | – |
| 2026 Apr 16 17:57 | 2026 Apr 13 02:39:08 | 99.3150 | 0.01015 | 3.8691 | 97.2684 | 294.4178 | 14.04832 | – |
| 2026 Apr 14 17:57 | 2026 Apr 13 02:39:08 | 99.3150 | 0.01015 | 3.8691 | 97.2684 | 294.4178 | 14.04832 | – |
| 2026 Apr 13 17:57 | 2026 Apr 13 02:39:08 | 99.3150 | 0.01015 | 3.8691 | 97.2684 | 294.4178 | 14.04832 | – |
| 2026 Apr 12 17:57 | 2026 Apr 08 14:57:50 | 99.3149 | 0.01014 | 3.5621 | 109.5144 | 294.4178 | 14.04832 | – |
| 2026 Apr 11 17:57 | 2026 Apr 08 14:57:50 | 99.3149 | 0.01014 | 3.5621 | 109.5144 | 294.4178 | 14.04832 | – |
| 2026 Apr 10 17:58 | 2026 Apr 08 14:57:50 | 99.3149 | 0.01014 | 3.5621 | 109.5144 | 294.4178 | 14.04832 | – |
| 2026 Apr 09 18:01 | 2026 Apr 08 14:57:50 | 99.3149 | 0.01014 | 3.5621 | 109.5144 | 294.4178 | 14.04832 | – |
| 2026 Apr 08 17:57 | 2026 Apr 08 14:57:50 | 99.3149 | 0.01014 | 3.5621 | 109.5144 | 294.4178 | 14.04832 | – |
| 2026 Apr 07 17:57 | 2026 Apr 01 15:26:52 | 99.3145 | 0.01012 | 3.0846 | 128.6672 | 294.4178 | 14.04832 | – |
| 2026 Apr 06 17:57 | 2026 Apr 01 15:26:52 | 99.3145 | 0.01012 | 3.0846 | 128.6672 | 294.4178 | 14.04832 | – |
| 2026 Apr 05 17:56 | 2026 Apr 01 15:26:52 | 99.3145 | 0.01012 | 3.0846 | 128.6672 | 294.4178 | 14.04832 | – |
| 2026 Apr 04 17:57 | 2026 Apr 01 15:26:52 | 99.3145 | 0.01012 | 3.0846 | 128.6672 | 294.4178 | 14.04832 | – |
| 2026 Apr 03 17:56 | 2026 Apr 01 15:26:52 | 99.3145 | 0.01012 | 3.0846 | 128.6672 | 294.4178 | 14.04832 | – |
| 2026 Apr 02 18:03 | 2026 Apr 01 15:26:52 | 99.3145 | 0.01012 | 3.0846 | 128.6672 | 294.4178 | 14.04832 | – |