Orbital elements of DELTA 1 R/B
| Launched | 21 January 1975 |
| Flight ended | – |
| Launch site | Air Force Western Test Range, California, USA |
| Owner | United States |
| NORAD ID | 7616 |
| 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 May 12 17:58 | 2026 May 10 09:25:26 | 97.7424 | 0.01842 | 12.7010 | 259.6324 | 98.4040 | 14.06099 | 6.243 |
| 2026 May 11 17:56 | 2026 May 10 09:25:26 | 97.7424 | 0.01842 | 12.7010 | 259.6324 | 98.4040 | 14.06099 | 6.243 |
| 2026 May 10 17:57 | 2026 May 10 09:25:26 | 97.7424 | 0.01842 | 12.7010 | 259.6324 | 98.4040 | 14.06099 | 6.243 |
| 2026 May 09 17:57 | 2026 May 05 09:52:34 | 97.7429 | 0.01841 | 12.4166 | 274.1614 | 98.4040 | 14.06099 | 6.243 |
| 2026 May 08 17:57 | 2026 May 05 09:52:34 | 97.7429 | 0.01841 | 12.4166 | 274.1614 | 98.4040 | 14.06099 | 6.243 |
| 2026 May 07 17:58 | 2026 May 05 09:52:34 | 97.7429 | 0.01841 | 12.4166 | 274.1614 | 98.4040 | 14.06099 | 6.243 |
| 2026 May 06 17:57 | 2026 May 05 09:52:34 | 97.7429 | 0.01841 | 12.4166 | 274.1614 | 98.4040 | 14.06099 | 6.243 |
| 2026 May 05 17:57 | 2026 May 05 09:52:34 | 97.7429 | 0.01841 | 12.4166 | 274.1614 | 98.4040 | 14.06099 | 6.243 |
| 2026 May 04 17:57 | 2026 Apr 30 13:44:39 | 97.7436 | 0.01841 | 12.1402 | 288.2563 | 98.4040 | 14.06099 | 6.243 |
| 2026 May 03 17:57 | 2026 Apr 30 13:44:39 | 97.7436 | 0.01841 | 12.1402 | 288.2563 | 98.4040 | 14.06099 | 6.243 |
| 2026 May 02 17:57 | 2026 Apr 30 13:44:39 | 97.7436 | 0.01841 | 12.1402 | 288.2563 | 98.4040 | 14.06099 | 6.243 |
| 2026 May 01 17:56 | 2026 Apr 30 13:44:39 | 97.7436 | 0.01841 | 12.1402 | 288.2563 | 98.4040 | 14.06099 | 6.243 |
| 2026 Apr 30 17:56 | 2026 Apr 30 13:44:39 | 97.7436 | 0.01841 | 12.1402 | 288.2563 | 98.4040 | 14.06099 | 6.243 |
| 2026 Apr 29 17:57 | 2026 Apr 24 04:02:28 | 97.7444 | 0.01844 | 11.7744 | 306.8825 | 98.4040 | 14.06099 | 6.243 |
| 2026 Apr 28 17:56 | 2026 Apr 24 04:02:28 | 97.7444 | 0.01844 | 11.7744 | 306.8825 | 98.4040 | 14.06099 | 6.243 |
| 2026 Apr 27 17:58 | 2026 Apr 24 04:02:28 | 97.7444 | 0.01844 | 11.7744 | 306.8825 | 98.4040 | 14.06099 | 6.243 |
| 2026 Apr 26 17:58 | 2026 Apr 24 04:02:28 | 97.7444 | 0.01844 | 11.7744 | 306.8825 | 98.4040 | 14.06099 | 6.243 |
| 2026 Apr 25 17:58 | 2026 Apr 24 04:02:28 | 97.7444 | 0.01844 | 11.7744 | 306.8825 | 98.4040 | 14.06099 | 6.243 |
| 2026 Apr 24 17:59 | 2026 Apr 24 04:02:28 | 97.7444 | 0.01844 | 11.7744 | 306.8825 | 98.4040 | 14.06099 | 6.243 |
| 2026 Apr 23 17:57 | 2026 Apr 19 11:19:34 | 97.7449 | 0.01846 | 11.5062 | 320.5463 | 98.4040 | 14.06099 | 6.243 |
| 2026 Apr 22 17:57 | 2026 Apr 19 11:19:34 | 97.7449 | 0.01846 | 11.5062 | 320.5463 | 98.4040 | 14.06099 | 6.243 |
| 2026 Apr 21 17:57 | 2026 Apr 19 11:19:34 | 97.7449 | 0.01846 | 11.5062 | 320.5463 | 98.4040 | 14.06099 | 6.243 |
| 2026 Apr 20 17:57 | 2026 Apr 19 11:19:34 | 97.7449 | 0.01846 | 11.5062 | 320.5463 | 98.4040 | 14.06099 | 6.243 |
| 2026 Apr 19 17:58 | 2026 Apr 19 11:19:34 | 97.7449 | 0.01846 | 11.5062 | 320.5463 | 98.4040 | 14.06099 | 6.243 |
| 2026 Apr 18 17:56 | 2026 Apr 13 05:02:22 | 97.7456 | 0.01849 | 11.1484 | 338.7580 | 98.4040 | 14.06099 | 6.243 |
| 2026 Apr 16 17:57 | 2026 Apr 13 05:02:22 | 97.7456 | 0.01849 | 11.1484 | 338.7580 | 98.4040 | 14.06099 | 6.243 |