Orbital elements of DELTA 1 DEB
| Launched | 5 November 1973 | 
| Flight ended | – | 
| Launch site | Air Force Western Test Range, California, USA | 
| Owner | United States | 
| NORAD ID | 7155 | 
| 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 | 
| 2025 Oct 31 18:57 | 2025 Oct 27 17:30:55 | 102.3721 | 0.01212 | 13.6402 | 224.1350 | 157.1415 | 12.40290 | – | 
| 2025 Oct 30 18:57 | 2025 Oct 27 17:30:55 | 102.3721 | 0.01212 | 13.6402 | 224.1350 | 157.1415 | 12.40290 | – | 
| 2025 Oct 29 18:57 | 2025 Oct 27 17:30:55 | 102.3721 | 0.01212 | 13.6402 | 224.1350 | 157.1415 | 12.40290 | – | 
| 2025 Oct 28 18:57 | 2025 Oct 23 16:45:10 | 102.3716 | 0.01215 | 13.3669 | 231.5962 | 157.1415 | 12.40290 | – | 
| 2025 Oct 27 18:57 | 2025 Oct 23 16:45:10 | 102.3716 | 0.01215 | 13.3669 | 231.5962 | 157.1415 | 12.40290 | – | 
| 2025 Oct 26 18:57 | 2025 Oct 23 16:45:10 | 102.3716 | 0.01215 | 13.3669 | 231.5962 | 157.1415 | 12.40290 | – | 
| 2025 Oct 25 17:57 | 2025 Oct 23 16:45:10 | 102.3716 | 0.01215 | 13.3669 | 231.5962 | 157.1415 | 12.40290 | – | 
| 2025 Oct 24 17:57 | 2025 Oct 23 16:45:10 | 102.3716 | 0.01215 | 13.3669 | 231.5962 | 157.1415 | 12.40290 | – | 
| 2025 Oct 22 17:56 | 2025 Oct 18 05:47:43 | 102.3712 | 0.01219 | 12.9972 | 241.6737 | 157.1415 | 12.40290 | – | 
| 2025 Oct 21 17:56 | 2025 Oct 18 05:47:43 | 102.3712 | 0.01219 | 12.9972 | 241.6737 | 157.1415 | 12.40290 | – | 
| 2025 Oct 20 17:56 | 2025 Oct 18 05:47:43 | 102.3712 | 0.01219 | 12.9972 | 241.6737 | 157.1415 | 12.40290 | – | 
| 2025 Oct 19 17:56 | 2025 Oct 18 05:47:43 | 102.3712 | 0.01219 | 12.9972 | 241.6737 | 157.1415 | 12.40290 | – | 
| 2025 Oct 18 17:56 | 2025 Oct 18 05:47:43 | 102.3712 | 0.01219 | 12.9972 | 241.6737 | 157.1415 | 12.40290 | – | 
| 2025 Oct 17 17:56 | 2025 Oct 06 16:17:34 | 102.3711 | 0.01229 | 12.2137 | 262.9844 | 157.1415 | 12.40290 | – | 
| 2025 Oct 16 17:56 | 2025 Oct 06 16:17:34 | 102.3711 | 0.01229 | 12.2137 | 262.9844 | 157.1415 | 12.40290 | – | 
| 2025 Oct 15 17:56 | 2025 Oct 06 16:17:34 | 102.3711 | 0.01229 | 12.2137 | 262.9844 | 157.1415 | 12.40290 | – | 
| 2025 Oct 14 17:56 | 2025 Oct 06 16:17:34 | 102.3711 | 0.01229 | 12.2137 | 262.9844 | 157.1415 | 12.40290 | – | 
| 2025 Oct 12 17:56 | 2025 Oct 06 16:17:34 | 102.3711 | 0.01229 | 12.2137 | 262.9844 | 157.1415 | 12.40290 | – | 
| 2025 Oct 11 17:57 | 2025 Oct 06 16:17:34 | 102.3711 | 0.01229 | 12.2137 | 262.9844 | 157.1415 | 12.40290 | – | 
| 2025 Oct 09 17:56 | 2025 Oct 06 16:17:34 | 102.3711 | 0.01229 | 12.2137 | 262.9844 | 157.1415 | 12.40290 | – | 
| 2025 Oct 08 17:56 | 2025 Oct 06 16:17:34 | 102.3711 | 0.01229 | 12.2137 | 262.9844 | 157.1415 | 12.40290 | – | 
| 2025 Oct 07 17:56 | 2025 Oct 06 16:17:34 | 102.3711 | 0.01229 | 12.2137 | 262.9844 | 157.1415 | 12.40290 | – | 
| 2025 Oct 05 17:56 | 2025 Sep 25 17:12:04 | 102.3716 | 0.01239 | 11.4708 | 283.0002 | 157.1415 | 12.40290 | – | 
| 2025 Oct 04 17:57 | 2025 Sep 25 17:12:04 | 102.3716 | 0.01239 | 11.4708 | 283.0002 | 157.1415 | 12.40290 | – |