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 | 21516 |
| 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 27 17:57 | 2026 Jul 26 08:00:10 | 99.8193 | 0.00698 | 22.6214 | 216.2311 | 170.3509 | 13.33007 | – |
| 2026 Jul 26 17:56 | 2026 Jul 20 15:18:42 | 99.8188 | 0.00695 | 22.2581 | 229.9403 | 170.3509 | 13.33007 | – |
| 2026 Jul 25 17:57 | 2026 Jul 20 15:18:42 | 99.8188 | 0.00695 | 22.2581 | 229.9403 | 170.3509 | 13.33007 | – |
| 2026 Jul 24 17:56 | 2026 Jul 20 15:18:42 | 99.8188 | 0.00695 | 22.2581 | 229.9403 | 170.3509 | 13.33007 | – |
| 2026 Jul 23 17:57 | 2026 Jul 20 15:18:42 | 99.8188 | 0.00695 | 22.2581 | 229.9403 | 170.3509 | 13.33007 | – |
| 2026 Jul 22 17:57 | 2026 Jul 20 15:18:42 | 99.8188 | 0.00695 | 22.2581 | 229.9403 | 170.3509 | 13.33007 | – |
| 2026 Jul 21 17:57 | 2026 Jul 20 15:18:42 | 99.8188 | 0.00695 | 22.2581 | 229.9403 | 170.3509 | 13.33007 | – |
| 2026 Jul 20 17:57 | 2026 Jul 15 20:26:56 | 99.8181 | 0.00693 | 21.9529 | 241.4855 | 170.3509 | 13.33007 | – |
| 2026 Jul 19 19:06 | 2026 Jul 15 20:26:56 | 99.8181 | 0.00693 | 21.9529 | 241.4855 | 170.3509 | 13.33007 | – |
| 2026 Jul 19 17:57 | 2026 Jul 15 20:26:56 | 99.8181 | 0.00693 | 21.9529 | 241.4855 | 170.3509 | 13.33007 | – |
| 2026 Jul 18 17:57 | 2026 Jul 15 20:26:56 | 99.8181 | 0.00693 | 21.9529 | 241.4855 | 170.3509 | 13.33007 | – |
| 2026 Jul 17 17:57 | 2026 Jul 15 20:26:56 | 99.8181 | 0.00693 | 21.9529 | 241.4855 | 170.3509 | 13.33007 | – |
| 2026 Jul 16 17:56 | 2026 Jul 15 20:26:56 | 99.8181 | 0.00693 | 21.9529 | 241.4855 | 170.3509 | 13.33007 | – |
| 2026 Jul 15 17:57 | 2026 Jul 10 08:18:51 | 99.8173 | 0.00691 | 21.6019 | 254.8320 | 170.3509 | 13.33007 | – |
| 2026 Jul 14 17:56 | 2026 Jul 10 08:18:51 | 99.8173 | 0.00691 | 21.6019 | 254.8320 | 170.3509 | 13.33007 | – |
| 2026 Jul 13 17:56 | 2026 Jul 10 08:18:51 | 99.8173 | 0.00691 | 21.6019 | 254.8320 | 170.3509 | 13.33007 | – |
| 2026 Jul 12 17:56 | 2026 Jul 10 08:18:51 | 99.8173 | 0.00691 | 21.6019 | 254.8320 | 170.3509 | 13.33007 | – |
| 2026 Jul 11 17:56 | 2026 Jul 10 08:18:51 | 99.8173 | 0.00691 | 21.6019 | 254.8320 | 170.3509 | 13.33007 | – |
| 2026 Jul 09 17:56 | 2026 Jul 04 15:20:01 | 99.8170 | 0.00689 | 21.2379 | 268.7111 | 170.3509 | 13.33007 | – |
| 2026 Jul 08 17:56 | 2026 Jul 04 15:20:01 | 99.8170 | 0.00689 | 21.2379 | 268.7111 | 170.3509 | 13.33007 | – |
| 2026 Jul 07 17:56 | 2026 Jul 04 15:20:01 | 99.8170 | 0.00689 | 21.2379 | 268.7111 | 170.3509 | 13.33007 | – |
| 2026 Jul 06 17:57 | 2026 Jul 04 15:20:01 | 99.8170 | 0.00689 | 21.2379 | 268.7111 | 170.3509 | 13.33007 | – |
| 2026 Jul 05 17:56 | 2026 Jul 04 15:20:01 | 99.8170 | 0.00689 | 21.2379 | 268.7111 | 170.3509 | 13.33007 | – |
| 2026 Jul 04 17:56 | 2026 Jun 28 15:13:47 | 99.8161 | 0.00688 | 20.8551 | 283.3359 | 170.3509 | 13.33007 | – |
| 2026 Jul 03 17:57 | 2026 Jun 28 15:13:47 | 99.8161 | 0.00688 | 20.8551 | 283.3359 | 170.3509 | 13.33007 | – |
| 2026 Jul 02 17:56 | 2026 Jun 28 15:13:47 | 99.8161 | 0.00688 | 20.8551 | 283.3359 | 170.3509 | 13.33007 | – |
| 2026 Jul 01 17:56 | 2026 Jun 28 15:13:47 | 99.8161 | 0.00688 | 20.8551 | 283.3359 | 170.3509 | 13.33007 | – |
| 2026 Jun 30 17:56 | 2026 Jun 28 15:13:47 | 99.8161 | 0.00688 | 20.8551 | 283.3359 | 170.3509 | 13.33007 | – |