Orbital elements of VANGUARD R/B
| Launched | 16 February 1959 |
| Flight ended | – |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | United States |
| NORAD ID | 12 |
| 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 05 17:56 | 2026 May 31 13:14:43 | 32.8997 | 0.16466 | 18.9224 | 17.0955 | 347.8974 | 11.48613 | 7.743 |
| 2026 Jun 04 17:57 | 2026 May 31 13:14:43 | 32.8997 | 0.16466 | 18.9224 | 17.0955 | 347.8974 | 11.48613 | 7.743 |
| 2026 Jun 02 17:56 | 2026 May 31 13:14:43 | 32.8997 | 0.16466 | 18.9224 | 17.0955 | 347.8974 | 11.48613 | 7.743 |
| 2026 Jun 01 17:57 | 2026 May 31 13:14:43 | 32.8997 | 0.16466 | 18.9224 | 17.0955 | 347.8974 | 11.48613 | 7.743 |
| 2026 May 31 17:58 | 2026 May 31 13:14:43 | 32.8997 | 0.16466 | 18.9224 | 17.0955 | 347.8974 | 11.48613 | 7.743 |
| 2026 May 30 17:57 | 2026 May 25 17:22:38 | 32.9040 | 0.16467 | 20.2921 | 346.2241 | 347.8974 | 11.48613 | 7.743 |
| 2026 May 29 17:57 | 2026 May 25 17:22:38 | 32.9040 | 0.16467 | 20.2921 | 346.2241 | 347.8974 | 11.48613 | 7.743 |
| 2026 May 28 17:56 | 2026 May 25 17:22:38 | 32.9040 | 0.16467 | 20.2921 | 346.2241 | 347.8974 | 11.48613 | 7.743 |
| 2026 May 27 17:57 | 2026 May 25 17:22:38 | 32.9040 | 0.16467 | 20.2921 | 346.2241 | 347.8974 | 11.48613 | 7.743 |
| 2026 May 26 17:57 | 2026 May 25 17:22:38 | 32.9040 | 0.16467 | 20.2921 | 346.2241 | 347.8974 | 11.48613 | 7.743 |
| 2026 May 25 17:57 | 2026 May 21 11:05:17 | 32.9080 | 0.16470 | 21.2936 | 323.6488 | 347.8974 | 11.48613 | 7.743 |
| 2026 May 24 17:57 | 2026 May 21 11:05:17 | 32.9080 | 0.16470 | 21.2936 | 323.6488 | 347.8974 | 11.48613 | 7.743 |
| 2026 May 23 17:58 | 2026 May 21 11:05:17 | 32.9080 | 0.16470 | 21.2936 | 323.6488 | 347.8974 | 11.48613 | 7.743 |
| 2026 May 22 17:57 | 2026 May 21 11:05:17 | 32.9080 | 0.16470 | 21.2936 | 323.6488 | 347.8974 | 11.48613 | 7.743 |
| 2026 May 21 17:57 | 2026 May 21 11:05:17 | 32.9080 | 0.16470 | 21.2936 | 323.6488 | 347.8974 | 11.48613 | 7.743 |
| 2026 May 20 17:57 | 2026 May 15 21:29:47 | 32.9129 | 0.16472 | 22.6014 | 294.1766 | 347.8974 | 11.48613 | 7.743 |
| 2026 May 19 17:58 | 2026 May 15 21:29:47 | 32.9129 | 0.16472 | 22.6014 | 294.1766 | 347.8974 | 11.48613 | 7.743 |
| 2026 May 18 17:57 | 2026 May 15 21:29:47 | 32.9129 | 0.16472 | 22.6014 | 294.1766 | 347.8974 | 11.48613 | 7.743 |
| 2026 May 17 17:57 | 2026 May 15 21:29:47 | 32.9129 | 0.16472 | 22.6014 | 294.1766 | 347.8974 | 11.48613 | 7.743 |
| 2026 May 16 17:56 | 2026 May 15 21:29:47 | 32.9129 | 0.16472 | 22.6014 | 294.1766 | 347.8974 | 11.48613 | 7.743 |
| 2026 May 15 17:57 | 2026 May 10 07:55:31 | 32.9146 | 0.16472 | 23.9086 | 264.7189 | 347.8974 | 11.48613 | 7.743 |
| 2026 May 14 17:58 | 2026 May 10 07:55:31 | 32.9146 | 0.16472 | 23.9086 | 264.7189 | 347.8974 | 11.48613 | 7.743 |
| 2026 May 13 17:58 | 2026 May 10 07:55:31 | 32.9146 | 0.16472 | 23.9086 | 264.7189 | 347.8974 | 11.48613 | 7.743 |
| 2026 May 12 17:58 | 2026 May 10 07:55:31 | 32.9146 | 0.16472 | 23.9086 | 264.7189 | 347.8974 | 11.48613 | 7.743 |
| 2026 May 11 17:56 | 2026 May 10 07:55:31 | 32.9146 | 0.16472 | 23.9086 | 264.7189 | 347.8974 | 11.48613 | 7.743 |
| 2026 May 10 17:57 | 2026 May 10 07:55:31 | 32.9146 | 0.16472 | 23.9086 | 264.7189 | 347.8974 | 11.48613 | 7.743 |
| 2026 May 09 17:57 | 2026 May 05 08:59:15 | 32.9122 | 0.16470 | 1.0727 | 238.4859 | 347.8974 | 11.48613 | 7.743 |