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 | 21566 |
| 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 26 17:57 | 2026 May 25 00:40:05 | 99.5727 | 0.03243 | 10.3838 | 191.7135 | 192.3167 | 12.83918 | – |
| 2026 May 25 17:57 | 2026 May 21 13:12:02 | 99.5734 | 0.03242 | 10.1851 | 199.4574 | 192.3167 | 12.83918 | – |
| 2026 May 24 17:57 | 2026 May 21 13:12:02 | 99.5734 | 0.03242 | 10.1851 | 199.4574 | 192.3167 | 12.83918 | – |
| 2026 May 23 17:58 | 2026 May 21 13:12:02 | 99.5734 | 0.03242 | 10.1851 | 199.4574 | 192.3167 | 12.83918 | – |
| 2026 May 22 17:57 | 2026 May 21 13:12:02 | 99.5734 | 0.03242 | 10.1851 | 199.4574 | 192.3167 | 12.83918 | – |
| 2026 May 21 17:57 | 2026 May 21 13:12:02 | 99.5734 | 0.03242 | 10.1851 | 199.4574 | 192.3167 | 12.83918 | – |
| 2026 May 20 17:57 | 2026 May 15 23:44:42 | 99.5736 | 0.03239 | 9.8675 | 211.8315 | 192.3167 | 12.83918 | – |
| 2026 May 19 17:58 | 2026 May 15 23:44:42 | 99.5736 | 0.03239 | 9.8675 | 211.8315 | 192.3167 | 12.83918 | – |
| 2026 May 18 17:57 | 2026 May 15 23:44:42 | 99.5736 | 0.03239 | 9.8675 | 211.8315 | 192.3167 | 12.83918 | – |
| 2026 May 17 17:57 | 2026 May 15 23:44:42 | 99.5736 | 0.03239 | 9.8675 | 211.8315 | 192.3167 | 12.83918 | – |
| 2026 May 16 17:56 | 2026 May 15 23:44:42 | 99.5736 | 0.03239 | 9.8675 | 211.8315 | 192.3167 | 12.83918 | – |
| 2026 May 15 17:57 | 2026 May 09 13:11:19 | 99.5742 | 0.03236 | 9.4996 | 226.1659 | 192.3167 | 12.83918 | – |
| 2026 May 14 17:58 | 2026 May 09 13:11:19 | 99.5742 | 0.03236 | 9.4996 | 226.1659 | 192.3167 | 12.83918 | – |
| 2026 May 13 17:58 | 2026 May 09 13:11:19 | 99.5742 | 0.03236 | 9.4996 | 226.1659 | 192.3167 | 12.83918 | – |
| 2026 May 12 17:58 | 2026 May 09 13:11:19 | 99.5742 | 0.03236 | 9.4996 | 226.1659 | 192.3167 | 12.83918 | – |
| 2026 May 11 17:56 | 2026 May 09 13:11:19 | 99.5742 | 0.03236 | 9.4996 | 226.1659 | 192.3167 | 12.83918 | – |
| 2026 May 10 17:57 | 2026 May 09 13:11:19 | 99.5742 | 0.03236 | 9.4996 | 226.1659 | 192.3167 | 12.83918 | – |
| 2026 May 09 17:57 | 2026 May 05 11:57:15 | 99.5744 | 0.03234 | 9.2681 | 235.1932 | 192.3167 | 12.83918 | – |
| 2026 May 08 17:57 | 2026 May 05 11:57:15 | 99.5744 | 0.03234 | 9.2681 | 235.1932 | 192.3167 | 12.83918 | – |
| 2026 May 07 17:58 | 2026 May 05 11:57:15 | 99.5744 | 0.03234 | 9.2681 | 235.1932 | 192.3167 | 12.83918 | – |
| 2026 May 06 17:57 | 2026 May 05 11:57:15 | 99.5744 | 0.03234 | 9.2681 | 235.1932 | 192.3167 | 12.83918 | – |
| 2026 May 05 17:57 | 2026 May 05 11:57:15 | 99.5744 | 0.03234 | 9.2681 | 235.1932 | 192.3167 | 12.83918 | – |
| 2026 May 04 17:57 | 2026 Apr 30 12:15:40 | 99.5746 | 0.03232 | 8.9832 | 246.3056 | 192.3167 | 12.83918 | – |
| 2026 May 03 17:57 | 2026 Apr 30 12:15:40 | 99.5746 | 0.03232 | 8.9832 | 246.3056 | 192.3167 | 12.83918 | – |
| 2026 May 02 17:57 | 2026 Apr 30 12:15:40 | 99.5746 | 0.03232 | 8.9832 | 246.3056 | 192.3167 | 12.83918 | – |
| 2026 May 01 17:56 | 2026 Apr 30 12:15:40 | 99.5746 | 0.03232 | 8.9832 | 246.3056 | 192.3167 | 12.83918 | – |
| 2026 Apr 30 17:56 | 2026 Apr 30 12:15:40 | 99.5746 | 0.03232 | 8.9832 | 246.3056 | 192.3167 | 12.83918 | – |
| 2026 Apr 29 17:57 | 2026 Apr 24 12:15:17 | 99.5755 | 0.03230 | 8.6404 | 259.6860 | 192.3167 | 12.83918 | – |