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 | 21388 |
| 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 15 17:56 | 2025 Sep 14 15:17:18 | 99.5592 | 0.00710 | 9.4282 | 228.9485 | 187.0969 | 13.50606 | – |
| 2025 Sep 12 17:57 | 2025 Sep 01 16:12:11 | 99.5618 | 0.00709 | 8.5979 | 261.6903 | 187.0969 | 13.50606 | – |
| 2025 Sep 11 17:57 | 2025 Sep 01 16:12:11 | 99.5618 | 0.00709 | 8.5979 | 261.6903 | 187.0969 | 13.50606 | – |
| 2025 Sep 10 17:56 | 2025 Sep 01 16:12:11 | 99.5618 | 0.00709 | 8.5979 | 261.6903 | 187.0969 | 13.50606 | – |
| 2025 Sep 08 17:57 | 2025 Sep 01 16:12:11 | 99.5618 | 0.00709 | 8.5979 | 261.6903 | 187.0969 | 13.50606 | – |
| 2025 Sep 07 17:56 | 2025 Sep 01 16:12:11 | 99.5618 | 0.00709 | 8.5979 | 261.6903 | 187.0969 | 13.50606 | – |
| 2025 Sep 06 20:41 | 2025 Sep 01 16:12:11 | 99.5618 | 0.00709 | 8.5979 | 261.6903 | 187.0969 | 13.50606 | – |
| 2025 Sep 03 17:57 | 2025 Sep 01 16:12:11 | 99.5618 | 0.00709 | 8.5979 | 261.6903 | 187.0969 | 13.50606 | – |
| 2025 Sep 02 17:56 | 2025 Aug 27 22:11:28 | 99.5629 | 0.00710 | 8.2936 | 273.6887 | 187.0969 | 13.50606 | – |
| 2025 Sep 01 17:56 | 2025 Aug 27 22:11:28 | 99.5629 | 0.00710 | 8.2936 | 273.6887 | 187.0969 | 13.50606 | – |
| 2025 Aug 31 17:56 | 2025 Aug 27 22:11:28 | 99.5629 | 0.00710 | 8.2936 | 273.6887 | 187.0969 | 13.50606 | – |
| 2025 Aug 30 17:56 | 2025 Aug 27 22:11:28 | 99.5629 | 0.00710 | 8.2936 | 273.6887 | 187.0969 | 13.50606 | – |
| 2025 Aug 29 17:56 | 2025 Aug 27 22:11:28 | 99.5629 | 0.00710 | 8.2936 | 273.6887 | 187.0969 | 13.50606 | – |
| 2025 Aug 28 17:57 | 2025 Aug 27 22:11:28 | 99.5629 | 0.00710 | 8.2936 | 273.6887 | 187.0969 | 13.50606 | – |
| 2025 Aug 27 17:56 | 2025 Aug 22 08:59:37 | 99.5641 | 0.00711 | 7.9380 | 287.7015 | 187.0969 | 13.50606 | – |
| 2025 Aug 26 17:56 | 2025 Aug 22 08:59:37 | 99.5641 | 0.00711 | 7.9380 | 287.7015 | 187.0969 | 13.50606 | – |
| 2025 Aug 25 17:56 | 2025 Aug 22 08:59:37 | 99.5641 | 0.00711 | 7.9380 | 287.7015 | 187.0969 | 13.50606 | – |
| 2025 Aug 24 17:56 | 2025 Aug 22 08:59:37 | 99.5641 | 0.00711 | 7.9380 | 287.7015 | 187.0969 | 13.50606 | – |
| 2025 Aug 23 17:56 | 2025 Aug 22 08:59:37 | 99.5641 | 0.00711 | 7.9380 | 287.7015 | 187.0969 | 13.50606 | – |
| 2025 Aug 22 17:56 | 2025 Aug 17 22:40:24 | 99.5651 | 0.00712 | 7.6541 | 298.8858 | 187.0969 | 13.50606 | – |