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 | 27577 | 
| 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 28 15:14:35 | 99.1040 | 0.00779 | 12.2418 | 256.0041 | 132.3182 | 13.47292 | – | 
| 2025 Oct 30 18:57 | 2025 Oct 28 15:14:35 | 99.1040 | 0.00779 | 12.2418 | 256.0041 | 132.3182 | 13.47292 | – | 
| 2025 Oct 29 18:57 | 2025 Oct 28 15:14:35 | 99.1040 | 0.00779 | 12.2418 | 256.0041 | 132.3182 | 13.47292 | – | 
| 2025 Oct 28 18:57 | 2025 Oct 23 03:58:19 | 99.1045 | 0.00783 | 11.9099 | 269.9333 | 132.3182 | 13.47292 | – | 
| 2025 Oct 27 18:57 | 2025 Oct 23 03:58:19 | 99.1045 | 0.00783 | 11.9099 | 269.9333 | 132.3182 | 13.47292 | – | 
| 2025 Oct 26 18:57 | 2025 Oct 23 03:58:19 | 99.1045 | 0.00783 | 11.9099 | 269.9333 | 132.3182 | 13.47292 | – | 
| 2025 Oct 25 17:57 | 2025 Oct 23 03:58:19 | 99.1045 | 0.00783 | 11.9099 | 269.9333 | 132.3182 | 13.47292 | – | 
| 2025 Oct 24 17:57 | 2025 Oct 23 03:58:19 | 99.1045 | 0.00783 | 11.9099 | 269.9333 | 132.3182 | 13.47292 | – | 
| 2025 Oct 22 17:56 | 2025 Oct 14 04:19:19 | 99.1048 | 0.00794 | 11.3647 | 292.5041 | 132.3182 | 13.47292 | – | 
| 2025 Oct 21 17:56 | 2025 Oct 14 04:19:19 | 99.1048 | 0.00794 | 11.3647 | 292.5041 | 132.3182 | 13.47292 | – | 
| 2025 Oct 20 17:56 | 2025 Oct 14 04:19:19 | 99.1048 | 0.00794 | 11.3647 | 292.5041 | 132.3182 | 13.47292 | – | 
| 2025 Oct 19 17:56 | 2025 Oct 14 04:19:19 | 99.1048 | 0.00794 | 11.3647 | 292.5041 | 132.3182 | 13.47292 | – | 
| 2025 Oct 18 17:56 | 2025 Oct 14 04:19:19 | 99.1048 | 0.00794 | 11.3647 | 292.5041 | 132.3182 | 13.47292 | – | 
| 2025 Oct 17 17:56 | 2025 Oct 07 03:01:32 | 99.1056 | 0.00802 | 10.9366 | 310.0591 | 132.3182 | 13.47292 | – | 
| 2025 Oct 16 17:56 | 2025 Oct 07 03:01:32 | 99.1056 | 0.00802 | 10.9366 | 310.0591 | 132.3182 | 13.47292 | – | 
| 2025 Oct 15 17:56 | 2025 Oct 07 03:01:32 | 99.1056 | 0.00802 | 10.9366 | 310.0591 | 132.3182 | 13.47292 | – | 
| 2025 Oct 14 17:56 | 2025 Oct 07 03:01:32 | 99.1056 | 0.00802 | 10.9366 | 310.0591 | 132.3182 | 13.47292 | – | 
| 2025 Oct 12 17:56 | 2025 Oct 07 03:01:32 | 99.1056 | 0.00802 | 10.9366 | 310.0591 | 132.3182 | 13.47292 | – | 
| 2025 Oct 11 17:57 | 2025 Oct 07 03:01:32 | 99.1056 | 0.00802 | 10.9366 | 310.0591 | 132.3182 | 13.47292 | – | 
| 2025 Oct 09 17:56 | 2025 Oct 07 03:01:32 | 99.1056 | 0.00802 | 10.9366 | 310.0591 | 132.3182 | 13.47292 | – | 
| 2025 Oct 08 17:56 | 2025 Oct 07 03:01:32 | 99.1056 | 0.00802 | 10.9366 | 310.0591 | 132.3182 | 13.47292 | – | 
| 2025 Oct 07 17:56 | 2025 Oct 07 03:01:32 | 99.1056 | 0.00802 | 10.9366 | 310.0591 | 132.3182 | 13.47292 | – | 
| 2025 Oct 05 17:56 | 2025 Sep 26 03:14:27 | 99.1068 | 0.00813 | 10.2697 | 337.2933 | 132.3182 | 13.47292 | – | 
| 2025 Oct 04 17:57 | 2025 Sep 26 03:14:27 | 99.1068 | 0.00813 | 10.2697 | 337.2933 | 132.3182 | 13.47292 | – |