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 | 21453 |
| 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 Apr 30 17:56 | 2026 Apr 30 09:54:22 | 99.8603 | 0.01205 | 18.2328 | 179.7617 | 248.3250 | 13.26925 | – |
| 2026 Apr 29 17:57 | 2026 Apr 24 08:56:44 | 99.8594 | 0.01203 | 17.8500 | 194.0123 | 248.3250 | 13.26925 | – |
| 2026 Apr 28 17:56 | 2026 Apr 24 08:56:44 | 99.8594 | 0.01203 | 17.8500 | 194.0123 | 248.3250 | 13.26925 | – |
| 2026 Apr 27 17:58 | 2026 Apr 24 08:56:44 | 99.8594 | 0.01203 | 17.8500 | 194.0123 | 248.3250 | 13.26925 | – |
| 2026 Apr 26 17:58 | 2026 Apr 24 08:56:44 | 99.8594 | 0.01203 | 17.8500 | 194.0123 | 248.3250 | 13.26925 | – |
| 2026 Apr 25 17:58 | 2026 Apr 24 08:56:44 | 99.8594 | 0.01203 | 17.8500 | 194.0123 | 248.3250 | 13.26925 | – |
| 2026 Apr 24 17:59 | 2026 Apr 24 08:56:44 | 99.8594 | 0.01203 | 17.8500 | 194.0123 | 248.3250 | 13.26925 | – |
| 2026 Apr 23 17:57 | 2026 Apr 19 04:48:17 | 99.8581 | 0.01200 | 17.5222 | 206.2415 | 248.3250 | 13.26925 | – |
| 2026 Apr 22 17:57 | 2026 Apr 19 04:48:17 | 99.8581 | 0.01200 | 17.5222 | 206.2415 | 248.3250 | 13.26925 | – |
| 2026 Apr 21 17:57 | 2026 Apr 19 04:48:17 | 99.8581 | 0.01200 | 17.5222 | 206.2415 | 248.3250 | 13.26925 | – |
| 2026 Apr 20 17:57 | 2026 Apr 19 04:48:17 | 99.8581 | 0.01200 | 17.5222 | 206.2415 | 248.3250 | 13.26925 | – |
| 2026 Apr 19 17:58 | 2026 Apr 19 04:48:17 | 99.8581 | 0.01200 | 17.5222 | 206.2415 | 248.3250 | 13.26925 | – |
| 2026 Apr 18 17:56 | 2026 Apr 13 04:03:11 | 99.8572 | 0.01198 | 17.1400 | 220.5263 | 248.3250 | 13.26925 | – |
| 2026 Apr 16 17:57 | 2026 Apr 13 04:03:11 | 99.8572 | 0.01198 | 17.1400 | 220.5263 | 248.3250 | 13.26925 | – |
| 2026 Apr 14 17:57 | 2026 Apr 13 04:03:11 | 99.8572 | 0.01198 | 17.1400 | 220.5263 | 248.3250 | 13.26925 | – |
| 2026 Apr 13 17:57 | 2026 Apr 13 04:03:11 | 99.8572 | 0.01198 | 17.1400 | 220.5263 | 248.3250 | 13.26925 | – |
| 2026 Apr 12 17:57 | 2026 Apr 08 09:18:03 | 99.8565 | 0.01195 | 16.8371 | 231.8628 | 248.3250 | 13.26925 | – |
| 2026 Apr 11 17:57 | 2026 Apr 08 09:18:03 | 99.8565 | 0.01195 | 16.8371 | 231.8628 | 248.3250 | 13.26925 | – |
| 2026 Apr 10 17:58 | 2026 Apr 08 09:18:03 | 99.8565 | 0.01195 | 16.8371 | 231.8628 | 248.3250 | 13.26925 | – |
| 2026 Apr 09 18:01 | 2026 Apr 08 09:18:03 | 99.8565 | 0.01195 | 16.8371 | 231.8628 | 248.3250 | 13.26925 | – |
| 2026 Apr 08 17:57 | 2026 Apr 08 09:18:03 | 99.8565 | 0.01195 | 16.8371 | 231.8628 | 248.3250 | 13.26925 | – |
| 2026 Apr 07 17:57 | 2026 Apr 01 23:58:32 | 99.8551 | 0.01193 | 16.4323 | 247.0641 | 248.3250 | 13.26925 | – |
| 2026 Apr 06 17:57 | 2026 Apr 01 23:58:32 | 99.8551 | 0.01193 | 16.4323 | 247.0641 | 248.3250 | 13.26925 | – |
| 2026 Apr 05 17:56 | 2026 Apr 01 23:58:32 | 99.8551 | 0.01193 | 16.4323 | 247.0641 | 248.3250 | 13.26925 | – |
| 2026 Apr 04 17:57 | 2026 Apr 01 23:58:32 | 99.8551 | 0.01193 | 16.4323 | 247.0641 | 248.3250 | 13.26925 | – |
| 2026 Apr 03 17:56 | 2026 Apr 01 23:58:32 | 99.8551 | 0.01193 | 16.4323 | 247.0641 | 248.3250 | 13.26925 | – |