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 | 21475 |
| 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 May 28 17:56 | 2026 May 26 05:02:55 | 99.6064 | 0.00905 | 21.0150 | 285.1669 | 255.3257 | 13.54147 | – |
| 2026 May 27 17:57 | 2026 May 26 05:02:55 | 99.6064 | 0.00905 | 21.0150 | 285.1669 | 255.3257 | 13.54147 | – |
| 2026 May 26 17:57 | 2026 May 26 05:02:55 | 99.6064 | 0.00905 | 21.0150 | 285.1669 | 255.3257 | 13.54147 | – |
| 2026 May 25 17:57 | 2026 May 21 10:47:40 | 99.6061 | 0.00906 | 20.7067 | 297.2107 | 255.3257 | 13.54147 | – |
| 2026 May 24 17:57 | 2026 May 21 10:47:40 | 99.6061 | 0.00906 | 20.7067 | 297.2107 | 255.3257 | 13.54147 | – |
| 2026 May 23 17:58 | 2026 May 21 10:47:40 | 99.6061 | 0.00906 | 20.7067 | 297.2107 | 255.3257 | 13.54147 | – |
| 2026 May 22 17:57 | 2026 May 21 10:47:40 | 99.6061 | 0.00906 | 20.7067 | 297.2107 | 255.3257 | 13.54147 | – |
| 2026 May 21 17:57 | 2026 May 21 10:47:40 | 99.6061 | 0.00906 | 20.7067 | 297.2107 | 255.3257 | 13.54147 | – |
| 2026 May 20 17:57 | 2026 May 16 10:13:43 | 99.6057 | 0.00906 | 20.3815 | 309.9322 | 255.3257 | 13.54147 | – |
| 2026 May 19 17:58 | 2026 May 16 10:13:43 | 99.6057 | 0.00906 | 20.3815 | 309.9322 | 255.3257 | 13.54147 | – |
| 2026 May 18 17:57 | 2026 May 16 10:13:43 | 99.6057 | 0.00906 | 20.3815 | 309.9322 | 255.3257 | 13.54147 | – |
| 2026 May 17 17:57 | 2026 May 16 10:13:43 | 99.6057 | 0.00906 | 20.3815 | 309.9322 | 255.3257 | 13.54147 | – |
| 2026 May 16 17:56 | 2026 May 16 10:13:43 | 99.6057 | 0.00906 | 20.3815 | 309.9322 | 255.3257 | 13.54147 | – |
| 2026 May 15 17:57 | 2026 May 10 06:01:25 | 99.6053 | 0.00908 | 19.9817 | 325.4935 | 255.3257 | 13.54147 | – |
| 2026 May 14 17:58 | 2026 May 10 06:01:25 | 99.6053 | 0.00908 | 19.9817 | 325.4935 | 255.3257 | 13.54147 | – |
| 2026 May 13 17:58 | 2026 May 10 06:01:25 | 99.6053 | 0.00908 | 19.9817 | 325.4935 | 255.3257 | 13.54147 | – |
| 2026 May 12 17:58 | 2026 May 10 06:01:25 | 99.6053 | 0.00908 | 19.9817 | 325.4935 | 255.3257 | 13.54147 | – |
| 2026 May 11 17:56 | 2026 May 10 06:01:25 | 99.6053 | 0.00908 | 19.9817 | 325.4935 | 255.3257 | 13.54147 | – |
| 2026 May 10 17:57 | 2026 May 10 06:01:25 | 99.6053 | 0.00908 | 19.9817 | 325.4935 | 255.3257 | 13.54147 | – |
| 2026 May 09 17:57 | 2026 May 05 10:01:08 | 99.6046 | 0.00909 | 19.6688 | 337.6963 | 255.3257 | 13.54147 | – |
| 2026 May 08 17:57 | 2026 May 05 10:01:08 | 99.6046 | 0.00909 | 19.6688 | 337.6963 | 255.3257 | 13.54147 | – |
| 2026 May 07 17:58 | 2026 May 05 10:01:08 | 99.6046 | 0.00909 | 19.6688 | 337.6963 | 255.3257 | 13.54147 | – |
| 2026 May 06 17:57 | 2026 May 05 10:01:08 | 99.6046 | 0.00909 | 19.6688 | 337.6963 | 255.3257 | 13.54147 | – |
| 2026 May 05 17:57 | 2026 May 05 10:01:08 | 99.6046 | 0.00909 | 19.6688 | 337.6963 | 255.3257 | 13.54147 | – |
| 2026 May 04 17:57 | 2026 Apr 30 09:26:19 | 99.6043 | 0.00911 | 19.3436 | 350.3551 | 255.3257 | 13.54147 | – |
| 2026 May 03 17:57 | 2026 Apr 30 09:26:19 | 99.6043 | 0.00911 | 19.3436 | 350.3551 | 255.3257 | 13.54147 | – |
| 2026 May 02 17:57 | 2026 Apr 30 09:26:19 | 99.6043 | 0.00911 | 19.3436 | 350.3551 | 255.3257 | 13.54147 | – |
| 2026 May 01 17:56 | 2026 Apr 30 09:26:19 | 99.6043 | 0.00911 | 19.3436 | 350.3551 | 255.3257 | 13.54147 | – |