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 | 21546 |
| 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 Jul 20 17:57 | 2026 Jul 15 06:55:54 | 99.5519 | 0.06082 | 8.5629 | 269.7254 | 251.7215 | 12.28881 | – |
| 2026 Jul 19 19:06 | 2026 Jul 15 06:55:54 | 99.5519 | 0.06082 | 8.5629 | 269.7254 | 251.7215 | 12.28881 | – |
| 2026 Jul 19 17:57 | 2026 Jul 15 06:55:54 | 99.5519 | 0.06082 | 8.5629 | 269.7254 | 251.7215 | 12.28881 | – |
| 2026 Jul 18 17:57 | 2026 Jul 15 06:55:54 | 99.5519 | 0.06082 | 8.5629 | 269.7254 | 251.7215 | 12.28881 | – |
| 2026 Jul 17 17:57 | 2026 Jul 15 06:55:54 | 99.5519 | 0.06082 | 8.5629 | 269.7254 | 251.7215 | 12.28881 | – |
| 2026 Jul 16 17:56 | 2026 Jul 15 06:55:54 | 99.5519 | 0.06082 | 8.5629 | 269.7254 | 251.7215 | 12.28881 | – |
| 2026 Jul 15 17:57 | 2026 Jul 11 07:11:06 | 99.5520 | 0.06088 | 8.3565 | 277.8089 | 251.7215 | 12.28881 | – |
| 2026 Jul 14 17:56 | 2026 Jul 11 07:11:06 | 99.5520 | 0.06088 | 8.3565 | 277.8089 | 251.7215 | 12.28881 | – |
| 2026 Jul 13 17:56 | 2026 Jul 11 07:11:06 | 99.5520 | 0.06088 | 8.3565 | 277.8089 | 251.7215 | 12.28881 | – |
| 2026 Jul 12 17:56 | 2026 Jul 11 07:11:06 | 99.5520 | 0.06088 | 8.3565 | 277.8089 | 251.7215 | 12.28881 | – |
| 2026 Jul 11 17:56 | 2026 Jul 11 07:11:06 | 99.5520 | 0.06088 | 8.3565 | 277.8089 | 251.7215 | 12.28881 | – |
| 2026 Jul 09 17:56 | 2026 Jul 05 02:09:41 | 99.5523 | 0.06101 | 8.0352 | 290.3778 | 251.7215 | 12.28881 | – |
| 2026 Jul 08 17:56 | 2026 Jul 05 02:09:41 | 99.5523 | 0.06101 | 8.0352 | 290.3778 | 251.7215 | 12.28881 | – |
| 2026 Jul 07 17:56 | 2026 Jul 05 02:09:41 | 99.5523 | 0.06101 | 8.0352 | 290.3778 | 251.7215 | 12.28881 | – |
| 2026 Jul 06 17:57 | 2026 Jul 05 02:09:41 | 99.5523 | 0.06101 | 8.0352 | 290.3778 | 251.7215 | 12.28881 | – |
| 2026 Jul 05 17:56 | 2026 Jul 05 02:09:41 | 99.5523 | 0.06101 | 8.0352 | 290.3778 | 251.7215 | 12.28881 | – |
| 2026 Jul 04 17:56 | 2026 Jun 28 02:07:00 | 99.5535 | 0.06115 | 7.6729 | 304.5239 | 251.7215 | 12.28881 | – |
| 2026 Jul 03 17:57 | 2026 Jun 28 02:07:00 | 99.5535 | 0.06115 | 7.6729 | 304.5239 | 251.7215 | 12.28881 | – |
| 2026 Jul 02 17:56 | 2026 Jun 28 02:07:00 | 99.5535 | 0.06115 | 7.6729 | 304.5239 | 251.7215 | 12.28881 | – |
| 2026 Jul 01 17:56 | 2026 Jun 28 02:07:00 | 99.5535 | 0.06115 | 7.6729 | 304.5239 | 251.7215 | 12.28881 | – |
| 2026 Jun 30 17:56 | 2026 Jun 28 02:07:00 | 99.5535 | 0.06115 | 7.6729 | 304.5239 | 251.7215 | 12.28881 | – |
| 2026 Jun 29 17:57 | 2026 Jun 28 02:07:00 | 99.5535 | 0.06115 | 7.6729 | 304.5239 | 251.7215 | 12.28881 | – |
| 2026 Jun 28 17:56 | 2026 Jun 21 19:37:30 | 99.5534 | 0.06128 | 7.3484 | 317.1633 | 251.7215 | 12.28881 | – |
| 2026 Jun 27 17:55 | 2026 Jun 21 19:37:30 | 99.5534 | 0.06128 | 7.3484 | 317.1633 | 251.7215 | 12.28881 | – |
| 2026 Jun 26 17:56 | 2026 Jun 21 19:37:30 | 99.5534 | 0.06128 | 7.3484 | 317.1633 | 251.7215 | 12.28881 | – |
| 2026 Jun 25 17:56 | 2026 Jun 21 19:37:30 | 99.5534 | 0.06128 | 7.3484 | 317.1633 | 251.7215 | 12.28881 | – |
| 2026 Jun 24 17:55 | 2026 Jun 21 19:37:30 | 99.5534 | 0.06128 | 7.3484 | 317.1633 | 251.7215 | 12.28881 | – |
| 2026 Jun 23 17:56 | 2026 Jun 21 19:37:30 | 99.5534 | 0.06128 | 7.3484 | 317.1633 | 251.7215 | 12.28881 | – |