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 | 21512 |
| 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 Aug 25 17:56 | 2026 Aug 24 11:49:31 | 99.8857 | 0.00378 | 8.6944 | 29.7479 | 147.8581 | 13.40615 | – |
| 2026 Aug 24 17:57 | 2026 Aug 18 15:33:53 | 99.8869 | 0.00378 | 8.3141 | 43.6022 | 147.8581 | 13.40615 | – |
| 2026 Aug 23 17:56 | 2026 Aug 18 15:33:53 | 99.8869 | 0.00378 | 8.3141 | 43.6022 | 147.8581 | 13.40615 | – |
| 2026 Aug 22 17:56 | 2026 Aug 18 15:33:53 | 99.8869 | 0.00378 | 8.3141 | 43.6022 | 147.8581 | 13.40615 | – |
| 2026 Aug 21 17:56 | 2026 Aug 18 15:33:53 | 99.8869 | 0.00378 | 8.3141 | 43.6022 | 147.8581 | 13.40615 | – |
| 2026 Aug 20 17:57 | 2026 Aug 18 15:33:53 | 99.8869 | 0.00378 | 8.3141 | 43.6022 | 147.8581 | 13.40615 | – |
| 2026 Aug 19 17:57 | 2026 Aug 18 15:33:53 | 99.8869 | 0.00378 | 8.3141 | 43.6022 | 147.8581 | 13.40615 | – |
| 2026 Aug 18 17:56 | 2026 Aug 12 23:10:22 | 99.8878 | 0.00378 | 7.9442 | 56.9067 | 147.8581 | 13.40615 | – |
| 2026 Aug 17 17:56 | 2026 Aug 12 23:10:22 | 99.8878 | 0.00378 | 7.9442 | 56.9067 | 147.8581 | 13.40615 | – |
| 2026 Aug 16 17:56 | 2026 Aug 12 23:10:22 | 99.8878 | 0.00378 | 7.9442 | 56.9067 | 147.8581 | 13.40615 | – |
| 2026 Aug 15 17:57 | 2026 Aug 12 23:10:22 | 99.8878 | 0.00378 | 7.9442 | 56.9067 | 147.8581 | 13.40615 | – |
| 2026 Aug 14 17:56 | 2026 Aug 12 23:10:22 | 99.8878 | 0.00378 | 7.9442 | 56.9067 | 147.8581 | 13.40615 | – |
| 2026 Aug 13 17:57 | 2026 Aug 12 23:10:22 | 99.8878 | 0.00378 | 7.9442 | 56.9067 | 147.8581 | 13.40615 | – |
| 2026 Aug 12 17:56 | 2026 Aug 06 22:19:32 | 99.8889 | 0.00377 | 7.5514 | 71.1042 | 147.8581 | 13.40615 | – |
| 2026 Aug 11 17:56 | 2026 Aug 06 22:19:32 | 99.8889 | 0.00377 | 7.5514 | 71.1042 | 147.8581 | 13.40615 | – |
| 2026 Aug 10 17:56 | 2026 Aug 06 22:19:32 | 99.8889 | 0.00377 | 7.5514 | 71.1042 | 147.8581 | 13.40615 | – |
| 2026 Aug 09 17:57 | 2026 Aug 06 22:19:32 | 99.8889 | 0.00377 | 7.5514 | 71.1042 | 147.8581 | 13.40615 | – |
| 2026 Aug 08 17:57 | 2026 Aug 06 22:19:32 | 99.8889 | 0.00377 | 7.5514 | 71.1042 | 147.8581 | 13.40615 | – |
| 2026 Aug 07 17:57 | 2026 Aug 06 22:19:32 | 99.8889 | 0.00377 | 7.5514 | 71.1042 | 147.8581 | 13.40615 | – |
| 2026 Aug 06 17:57 | 2026 Aug 01 06:30:50 | 99.8898 | 0.00376 | 7.1831 | 84.4414 | 147.8581 | 13.40615 | – |
| 2026 Aug 05 17:56 | 2026 Aug 01 06:30:50 | 99.8898 | 0.00376 | 7.1831 | 84.4414 | 147.8581 | 13.40615 | – |
| 2026 Aug 04 17:57 | 2026 Aug 01 06:30:50 | 99.8898 | 0.00376 | 7.1831 | 84.4414 | 147.8581 | 13.40615 | – |
| 2026 Aug 03 17:56 | 2026 Aug 01 06:30:50 | 99.8898 | 0.00376 | 7.1831 | 84.4414 | 147.8581 | 13.40615 | – |
| 2026 Aug 02 17:57 | 2026 Aug 01 06:30:50 | 99.8898 | 0.00376 | 7.1831 | 84.4414 | 147.8581 | 13.40615 | – |
| 2026 Aug 01 17:57 | 2026 Aug 01 06:30:50 | 99.8898 | 0.00376 | 7.1831 | 84.4414 | 147.8581 | 13.40615 | – |
| 2026 Jul 31 17:56 | 2026 Jul 27 13:38:57 | 99.8907 | 0.00375 | 6.8770 | 95.5599 | 147.8581 | 13.40615 | – |
| 2026 Jul 30 17:57 | 2026 Jul 27 13:38:57 | 99.8907 | 0.00375 | 6.8770 | 95.5599 | 147.8581 | 13.40615 | – |
| 2026 Jul 29 17:57 | 2026 Jul 27 13:38:57 | 99.8907 | 0.00375 | 6.8770 | 95.5599 | 147.8581 | 13.40615 | – |