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 | 9977 | 
| 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 30 18:57 | 2025 Oct 29 12:18:59 | 101.8927 | 0.00750 | 1.5971 | 266.3425 | 105.2090 | 12.54218 | – | 
| 2025 Oct 29 18:57 | 2025 Oct 29 12:18:59 | 101.8927 | 0.00750 | 1.5971 | 266.3425 | 105.2090 | 12.54218 | – | 
| 2025 Oct 28 18:57 | 2025 Oct 23 03:30:39 | 101.8927 | 0.00739 | 1.1713 | 278.4982 | 105.2090 | 12.54218 | – | 
| 2025 Oct 27 18:57 | 2025 Oct 23 03:30:39 | 101.8927 | 0.00739 | 1.1713 | 278.4982 | 105.2090 | 12.54218 | – | 
| 2025 Oct 26 18:57 | 2025 Oct 23 03:30:39 | 101.8927 | 0.00739 | 1.1713 | 278.4982 | 105.2090 | 12.54218 | – | 
| 2025 Oct 25 17:57 | 2025 Oct 23 03:30:39 | 101.8927 | 0.00739 | 1.1713 | 278.4982 | 105.2090 | 12.54218 | – | 
| 2025 Oct 24 17:57 | 2025 Oct 23 03:30:39 | 101.8927 | 0.00739 | 1.1713 | 278.4982 | 105.2090 | 12.54218 | – | 
| 2025 Oct 22 17:56 | 2025 Oct 18 02:53:22 | 101.8927 | 0.00730 | 0.8353 | 288.2489 | 105.2090 | 12.54218 | – | 
| 2025 Oct 21 17:56 | 2025 Oct 18 02:53:22 | 101.8927 | 0.00730 | 0.8353 | 288.2489 | 105.2090 | 12.54218 | – | 
| 2025 Oct 20 17:56 | 2025 Oct 18 02:53:22 | 101.8927 | 0.00730 | 0.8353 | 288.2489 | 105.2090 | 12.54218 | – | 
| 2025 Oct 19 17:56 | 2025 Oct 18 02:53:22 | 101.8927 | 0.00730 | 0.8353 | 288.2489 | 105.2090 | 12.54218 | – | 
| 2025 Oct 18 17:56 | 2025 Oct 18 02:53:22 | 101.8927 | 0.00730 | 0.8353 | 288.2489 | 105.2090 | 12.54218 | – | 
| 2025 Oct 17 17:56 | 2025 Oct 07 11:57:34 | 101.8927 | 0.00714 | 0.1250 | 309.2931 | 105.2090 | 12.54218 | – | 
| 2025 Oct 16 17:56 | 2025 Oct 07 11:57:34 | 101.8927 | 0.00714 | 0.1250 | 309.2931 | 105.2090 | 12.54218 | – | 
| 2025 Oct 15 17:56 | 2025 Oct 07 11:57:34 | 101.8927 | 0.00714 | 0.1250 | 309.2931 | 105.2090 | 12.54218 | – | 
| 2025 Oct 14 17:56 | 2025 Oct 07 11:57:34 | 101.8927 | 0.00714 | 0.1250 | 309.2931 | 105.2090 | 12.54218 | – | 
| 2025 Oct 12 17:56 | 2025 Oct 07 11:57:34 | 101.8927 | 0.00714 | 0.1250 | 309.2931 | 105.2090 | 12.54218 | – | 
| 2025 Oct 11 17:57 | 2025 Oct 07 11:57:34 | 101.8927 | 0.00714 | 0.1250 | 309.2931 | 105.2090 | 12.54218 | – | 
| 2025 Oct 09 17:56 | 2025 Oct 07 11:57:34 | 101.8927 | 0.00714 | 0.1250 | 309.2931 | 105.2090 | 12.54218 | – | 
| 2025 Oct 08 17:56 | 2025 Oct 07 11:57:34 | 101.8927 | 0.00714 | 0.1250 | 309.2931 | 105.2090 | 12.54218 | – | 
| 2025 Oct 07 17:56 | 2025 Oct 07 11:57:34 | 101.8927 | 0.00714 | 0.1250 | 309.2931 | 105.2090 | 12.54218 | – | 
| 2025 Oct 05 17:56 | 2025 Sep 26 04:11:42 | 101.8927 | 0.00703 | 23.3678 | 332.2472 | 105.2090 | 12.54218 | – | 
| 2025 Oct 04 17:57 | 2025 Sep 26 04:11:42 | 101.8927 | 0.00703 | 23.3678 | 332.2472 | 105.2090 | 12.54218 | – | 
| 2025 Oct 03 17:57 | 2025 Sep 26 04:11:42 | 101.8927 | 0.00703 | 23.3678 | 332.2472 | 105.2090 | 12.54218 | – |