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 | 21288 |
| 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 Jun 20 17:56 | 2026 Jun 17 09:00:03 | 99.6906 | 0.03565 | 6.5002 | 185.2027 | 300.6816 | 12.75776 | – |
| 2026 Jun 19 17:57 | 2026 Jun 17 09:00:03 | 99.6906 | 0.03565 | 6.5002 | 185.2027 | 300.6816 | 12.75776 | – |
| 2026 Jun 18 17:56 | 2026 Jun 17 09:00:03 | 99.6906 | 0.03565 | 6.5002 | 185.2027 | 300.6816 | 12.75776 | – |
| 2026 Jun 17 17:57 | 2026 Jun 17 09:00:03 | 99.6906 | 0.03565 | 6.5002 | 185.2027 | 300.6816 | 12.75776 | – |
| 2026 Jun 16 17:55 | 2026 Jun 11 17:10:04 | 99.6908 | 0.03563 | 6.1777 | 197.5539 | 300.6816 | 12.75776 | – |
| 2026 Jun 15 17:56 | 2026 Jun 11 17:10:04 | 99.6908 | 0.03563 | 6.1777 | 197.5539 | 300.6816 | 12.75776 | – |
| 2026 Jun 14 17:57 | 2026 Jun 11 17:10:04 | 99.6908 | 0.03563 | 6.1777 | 197.5539 | 300.6816 | 12.75776 | – |
| 2026 Jun 13 17:56 | 2026 Jun 11 17:10:04 | 99.6908 | 0.03563 | 6.1777 | 197.5539 | 300.6816 | 12.75776 | – |
| 2026 Jun 12 17:56 | 2026 Jun 11 17:10:04 | 99.6908 | 0.03563 | 6.1777 | 197.5539 | 300.6816 | 12.75776 | – |
| 2026 Jun 11 17:57 | 2026 Jun 06 16:43:39 | 99.6907 | 0.03562 | 5.8918 | 208.5032 | 300.6816 | 12.75776 | – |
| 2026 Jun 10 17:56 | 2026 Jun 06 16:43:39 | 99.6907 | 0.03562 | 5.8918 | 208.5032 | 300.6816 | 12.75776 | – |
| 2026 Jun 09 17:57 | 2026 Jun 06 16:43:39 | 99.6907 | 0.03562 | 5.8918 | 208.5032 | 300.6816 | 12.75776 | – |
| 2026 Jun 08 17:56 | 2026 Jun 06 16:43:39 | 99.6907 | 0.03562 | 5.8918 | 208.5032 | 300.6816 | 12.75776 | – |
| 2026 Jun 07 17:56 | 2026 Jun 06 16:43:39 | 99.6907 | 0.03562 | 5.8918 | 208.5032 | 300.6816 | 12.75776 | – |
| 2026 Jun 06 17:56 | 2026 May 31 06:52:16 | 99.6907 | 0.03561 | 5.5265 | 222.4943 | 300.6816 | 12.75776 | – |
| 2026 Jun 05 17:56 | 2026 May 31 06:52:16 | 99.6907 | 0.03561 | 5.5265 | 222.4943 | 300.6816 | 12.75776 | – |
| 2026 Jun 04 17:57 | 2026 May 31 06:52:16 | 99.6907 | 0.03561 | 5.5265 | 222.4943 | 300.6816 | 12.75776 | – |
| 2026 Jun 02 17:56 | 2026 May 31 06:52:16 | 99.6907 | 0.03561 | 5.5265 | 222.4943 | 300.6816 | 12.75776 | – |
| 2026 Jun 01 17:57 | 2026 May 31 06:52:16 | 99.6907 | 0.03561 | 5.5265 | 222.4943 | 300.6816 | 12.75776 | – |
| 2026 May 31 17:58 | 2026 May 31 06:52:16 | 99.6907 | 0.03561 | 5.5265 | 222.4943 | 300.6816 | 12.75776 | – |
| 2026 May 30 17:57 | 2026 May 26 06:25:39 | 99.6903 | 0.03559 | 5.2405 | 233.4442 | 300.6816 | 12.75776 | – |
| 2026 May 29 17:57 | 2026 May 26 06:25:39 | 99.6903 | 0.03559 | 5.2405 | 233.4442 | 300.6816 | 12.75776 | – |
| 2026 May 28 17:56 | 2026 May 26 06:25:39 | 99.6903 | 0.03559 | 5.2405 | 233.4442 | 300.6816 | 12.75776 | – |
| 2026 May 27 17:57 | 2026 May 26 06:25:39 | 99.6903 | 0.03559 | 5.2405 | 233.4442 | 300.6816 | 12.75776 | – |
| 2026 May 26 17:57 | 2026 May 26 06:25:39 | 99.6903 | 0.03559 | 5.2405 | 233.4442 | 300.6816 | 12.75776 | – |
| 2026 May 25 17:57 | 2026 May 21 15:12:28 | 99.6902 | 0.03559 | 4.9765 | 243.5701 | 300.6816 | 12.75776 | – |
| 2026 May 24 17:57 | 2026 May 21 15:12:28 | 99.6902 | 0.03559 | 4.9765 | 243.5701 | 300.6816 | 12.75776 | – |