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 | 21438 |
| 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 |
| 2025 Sep 18 17:56 | 2025 Sep 15 00:52:37 | 99.7162 | 0.00791 | 12.2113 | 217.7957 | 164.8014 | 13.30910 | – |
| 2025 Sep 15 17:56 | 2025 Sep 15 00:52:37 | 99.7162 | 0.00791 | 12.2113 | 217.7957 | 164.8014 | 13.30910 | – |
| 2025 Sep 12 17:57 | 2025 Sep 03 01:59:07 | 99.7157 | 0.00791 | 11.4594 | 246.8780 | 164.8014 | 13.30910 | – |
| 2025 Sep 11 17:57 | 2025 Sep 03 01:59:07 | 99.7157 | 0.00791 | 11.4594 | 246.8780 | 164.8014 | 13.30910 | – |
| 2025 Sep 10 17:56 | 2025 Sep 03 01:59:07 | 99.7157 | 0.00791 | 11.4594 | 246.8780 | 164.8014 | 13.30910 | – |
| 2025 Sep 08 17:57 | 2025 Sep 03 01:59:07 | 99.7157 | 0.00791 | 11.4594 | 246.8780 | 164.8014 | 13.30910 | – |
| 2025 Sep 07 17:56 | 2025 Sep 03 01:59:07 | 99.7157 | 0.00791 | 11.4594 | 246.8780 | 164.8014 | 13.30910 | – |
| 2025 Sep 06 20:41 | 2025 Sep 03 01:59:07 | 99.7157 | 0.00791 | 11.4594 | 246.8780 | 164.8014 | 13.30910 | – |
| 2025 Sep 03 17:57 | 2025 Sep 03 01:59:07 | 99.7157 | 0.00791 | 11.4594 | 246.8780 | 164.8014 | 13.30910 | – |
| 2025 Sep 02 17:56 | 2025 Aug 27 13:50:29 | 99.7153 | 0.00792 | 11.0502 | 262.7012 | 164.8014 | 13.30910 | – |
| 2025 Sep 01 17:56 | 2025 Aug 27 13:50:29 | 99.7153 | 0.00792 | 11.0502 | 262.7012 | 164.8014 | 13.30910 | – |
| 2025 Aug 31 17:56 | 2025 Aug 27 13:50:29 | 99.7153 | 0.00792 | 11.0502 | 262.7012 | 164.8014 | 13.30910 | – |
| 2025 Aug 30 17:56 | 2025 Aug 27 13:50:29 | 99.7153 | 0.00792 | 11.0502 | 262.7012 | 164.8014 | 13.30910 | – |
| 2025 Aug 29 17:56 | 2025 Aug 27 13:50:29 | 99.7153 | 0.00792 | 11.0502 | 262.7012 | 164.8014 | 13.30910 | – |
| 2025 Aug 28 17:57 | 2025 Aug 27 13:50:29 | 99.7153 | 0.00792 | 11.0502 | 262.7012 | 164.8014 | 13.30910 | – |
| 2025 Aug 27 17:56 | 2025 Aug 21 18:09:09 | 99.7154 | 0.00794 | 10.6841 | 276.8446 | 164.8014 | 13.30910 | – |
| 2025 Aug 26 17:56 | 2025 Aug 21 18:09:09 | 99.7154 | 0.00794 | 10.6841 | 276.8446 | 164.8014 | 13.30910 | – |
| 2025 Aug 25 17:56 | 2025 Aug 21 18:09:09 | 99.7154 | 0.00794 | 10.6841 | 276.8446 | 164.8014 | 13.30910 | – |
| 2025 Aug 24 17:56 | 2025 Aug 21 18:09:09 | 99.7154 | 0.00794 | 10.6841 | 276.8446 | 164.8014 | 13.30910 | – |
| 2025 Aug 23 17:56 | 2025 Aug 21 18:09:09 | 99.7154 | 0.00794 | 10.6841 | 276.8446 | 164.8014 | 13.30910 | – |
| 2025 Aug 22 17:56 | 2025 Aug 18 13:21:18 | 99.7155 | 0.00795 | 10.4829 | 284.6046 | 164.8014 | 13.30910 | – |