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 |
| 2026 Jun 21 17:57 | 2026 Jun 16 09:54:51 | 99.5256 | 0.00708 | 2.9983 | 263.1384 | 277.3429 | 13.50674 | – |
| 2026 Jun 20 17:56 | 2026 Jun 16 09:54:51 | 99.5256 | 0.00708 | 2.9983 | 263.1384 | 277.3429 | 13.50674 | – |
| 2026 Jun 19 17:57 | 2026 Jun 16 09:54:51 | 99.5256 | 0.00708 | 2.9983 | 263.1384 | 277.3429 | 13.50674 | – |
| 2026 Jun 18 17:56 | 2026 Jun 16 09:54:51 | 99.5256 | 0.00708 | 2.9983 | 263.1384 | 277.3429 | 13.50674 | – |
| 2026 Jun 17 17:57 | 2026 Jun 16 09:54:51 | 99.5256 | 0.00708 | 2.9983 | 263.1384 | 277.3429 | 13.50674 | – |
| 2026 Jun 16 17:55 | 2026 Jun 10 09:55:02 | 99.5267 | 0.00709 | 2.6154 | 278.3225 | 277.3429 | 13.50674 | – |
| 2026 Jun 15 17:56 | 2026 Jun 10 09:55:02 | 99.5267 | 0.00709 | 2.6154 | 278.3225 | 277.3429 | 13.50674 | – |
| 2026 Jun 14 17:57 | 2026 Jun 10 09:55:02 | 99.5267 | 0.00709 | 2.6154 | 278.3225 | 277.3429 | 13.50674 | – |
| 2026 Jun 13 17:56 | 2026 Jun 10 09:55:02 | 99.5267 | 0.00709 | 2.6154 | 278.3225 | 277.3429 | 13.50674 | – |
| 2026 Jun 12 17:56 | 2026 Jun 10 09:55:02 | 99.5267 | 0.00709 | 2.6154 | 278.3225 | 277.3429 | 13.50674 | – |
| 2026 Jun 11 17:57 | 2026 Jun 06 04:18:04 | 99.5272 | 0.00710 | 2.3452 | 289.0428 | 277.3429 | 13.50674 | – |
| 2026 Jun 10 17:56 | 2026 Jun 06 04:18:04 | 99.5272 | 0.00710 | 2.3452 | 289.0428 | 277.3429 | 13.50674 | – |
| 2026 Jun 09 17:57 | 2026 Jun 06 04:18:04 | 99.5272 | 0.00710 | 2.3452 | 289.0428 | 277.3429 | 13.50674 | – |
| 2026 Jun 08 17:56 | 2026 Jun 06 04:18:04 | 99.5272 | 0.00710 | 2.3452 | 289.0428 | 277.3429 | 13.50674 | – |
| 2026 Jun 07 17:56 | 2026 Jun 06 04:18:04 | 99.5272 | 0.00710 | 2.3452 | 289.0428 | 277.3429 | 13.50674 | – |
| 2026 Jun 06 17:56 | 2026 May 31 04:27:28 | 99.5278 | 0.00711 | 1.9626 | 304.1718 | 277.3429 | 13.50674 | – |
| 2026 Jun 05 17:56 | 2026 May 31 04:27:28 | 99.5278 | 0.00711 | 1.9626 | 304.1718 | 277.3429 | 13.50674 | – |
| 2026 Jun 04 17:57 | 2026 May 31 04:27:28 | 99.5278 | 0.00711 | 1.9626 | 304.1718 | 277.3429 | 13.50674 | – |
| 2026 Jun 02 17:56 | 2026 May 31 04:27:28 | 99.5278 | 0.00711 | 1.9626 | 304.1718 | 277.3429 | 13.50674 | – |
| 2026 Jun 01 17:57 | 2026 May 31 04:27:28 | 99.5278 | 0.00711 | 1.9626 | 304.1718 | 277.3429 | 13.50674 | – |
| 2026 May 31 17:58 | 2026 May 31 04:27:28 | 99.5278 | 0.00711 | 1.9626 | 304.1718 | 277.3429 | 13.50674 | – |
| 2026 May 30 17:57 | 2026 May 26 03:33:17 | 99.5286 | 0.00713 | 1.6410 | 316.8791 | 277.3429 | 13.50674 | – |
| 2026 May 29 17:57 | 2026 May 26 03:33:17 | 99.5286 | 0.00713 | 1.6410 | 316.8791 | 277.3429 | 13.50674 | – |
| 2026 May 28 17:56 | 2026 May 26 03:33:17 | 99.5286 | 0.00713 | 1.6410 | 316.8791 | 277.3429 | 13.50674 | – |
| 2026 May 27 17:57 | 2026 May 26 03:33:17 | 99.5286 | 0.00713 | 1.6410 | 316.8791 | 277.3429 | 13.50674 | – |
| 2026 May 26 17:57 | 2026 May 26 03:33:17 | 99.5286 | 0.00713 | 1.6410 | 316.8791 | 277.3429 | 13.50674 | – |
| 2026 May 25 17:57 | 2026 May 21 09:53:07 | 99.5292 | 0.00715 | 1.3387 | 328.7639 | 277.3429 | 13.50674 | – |