Orbital elements of VANGUARD R/B
| Launched | 16 March 1958 |
| Flight ended | – |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | United States |
| NORAD ID | 16 |
| 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 Sep 15 17:56 | 2025 Sep 14 08:51:35 | 34.2669 | 0.20239 | 1.5133 | 35.8187 | 336.2571 | 10.49569 | 8.243 |
| 2025 Sep 12 17:57 | 2025 Aug 31 13:32:26 | 34.2702 | 0.20242 | 4.1758 | 337.5084 | 336.2571 | 10.49569 | 8.243 |
| 2025 Sep 11 17:57 | 2025 Aug 31 13:32:26 | 34.2702 | 0.20242 | 4.1758 | 337.5084 | 336.2571 | 10.49569 | 8.243 |
| 2025 Sep 10 17:56 | 2025 Aug 31 13:32:26 | 34.2702 | 0.20242 | 4.1758 | 337.5084 | 336.2571 | 10.49569 | 8.243 |
| 2025 Sep 08 17:57 | 2025 Aug 31 13:32:26 | 34.2702 | 0.20242 | 4.1758 | 337.5084 | 336.2571 | 10.49569 | 8.243 |
| 2025 Sep 07 17:56 | 2025 Aug 31 13:32:26 | 34.2702 | 0.20242 | 4.1758 | 337.5084 | 336.2571 | 10.49569 | 8.243 |
| 2025 Sep 06 20:41 | 2025 Aug 31 13:32:26 | 34.2702 | 0.20242 | 4.1758 | 337.5084 | 336.2571 | 10.49569 | 8.243 |
| 2025 Sep 03 17:57 | 2025 Aug 31 13:32:26 | 34.2702 | 0.20242 | 4.1758 | 337.5084 | 336.2571 | 10.49569 | 8.243 |
| 2025 Sep 02 17:56 | 2025 Aug 27 20:25:45 | 34.2727 | 0.20244 | 4.8918 | 321.8285 | 336.2571 | 10.49569 | 8.243 |
| 2025 Sep 01 17:56 | 2025 Aug 27 20:25:45 | 34.2727 | 0.20244 | 4.8918 | 321.8285 | 336.2571 | 10.49569 | 8.243 |
| 2025 Aug 31 17:56 | 2025 Aug 27 20:25:45 | 34.2727 | 0.20244 | 4.8918 | 321.8285 | 336.2571 | 10.49569 | 8.243 |
| 2025 Aug 30 17:56 | 2025 Aug 27 20:25:45 | 34.2727 | 0.20244 | 4.8918 | 321.8285 | 336.2571 | 10.49569 | 8.243 |
| 2025 Aug 29 17:56 | 2025 Aug 27 20:25:45 | 34.2727 | 0.20244 | 4.8918 | 321.8285 | 336.2571 | 10.49569 | 8.243 |
| 2025 Aug 28 17:57 | 2025 Aug 27 20:25:45 | 34.2727 | 0.20244 | 4.8918 | 321.8285 | 336.2571 | 10.49569 | 8.243 |
| 2025 Aug 27 17:56 | 2025 Aug 22 14:46:00 | 34.2761 | 0.20245 | 5.9013 | 299.7246 | 336.2571 | 10.49569 | 8.243 |
| 2025 Aug 26 17:56 | 2025 Aug 22 14:46:00 | 34.2761 | 0.20245 | 5.9013 | 299.7246 | 336.2571 | 10.49569 | 8.243 |
| 2025 Aug 25 17:56 | 2025 Aug 22 14:46:00 | 34.2761 | 0.20245 | 5.9013 | 299.7246 | 336.2571 | 10.49569 | 8.243 |
| 2025 Aug 24 17:56 | 2025 Aug 22 14:46:00 | 34.2761 | 0.20245 | 5.9013 | 299.7246 | 336.2571 | 10.49569 | 8.243 |
| 2025 Aug 23 17:56 | 2025 Aug 22 14:46:00 | 34.2761 | 0.20245 | 5.9013 | 299.7246 | 336.2571 | 10.49569 | 8.243 |
| 2025 Aug 22 17:56 | 2025 Aug 17 22:49:27 | 34.2778 | 0.20246 | 6.8003 | 280.0406 | 336.2571 | 10.49569 | 8.243 |
| 2025 Aug 20 17:56 | 2025 Aug 17 22:49:27 | 34.2778 | 0.20246 | 6.8003 | 280.0406 | 336.2571 | 10.49569 | 8.243 |