Orbital elements of VANGUARD 1
| Launched | 16 March 1958 |
| Flight ended | – |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | United States |
| NORAD ID | 5 |
| 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 Feb 05 18:58 | 2026 Feb 02 08:20:11 | 34.2616 | 0.18395 | 0.6962 | 250.5152 | 88.8294 | 10.85946 | 10.743 |
| 2026 Feb 04 18:57 | 2026 Feb 02 08:20:11 | 34.2616 | 0.18395 | 0.6962 | 250.5152 | 88.8294 | 10.85946 | 10.743 |
| 2026 Feb 03 18:56 | 2026 Feb 02 08:20:11 | 34.2616 | 0.18395 | 0.6962 | 250.5152 | 88.8294 | 10.85946 | 10.743 |
| 2026 Feb 02 18:56 | 2026 Feb 02 08:20:11 | 34.2616 | 0.18395 | 0.6962 | 250.5152 | 88.8294 | 10.85946 | 10.743 |
| 2026 Feb 01 18:56 | 2026 Jan 23 09:59:18 | 34.2532 | 0.18395 | 2.7391 | 205.7534 | 88.8294 | 10.85946 | 10.743 |
| 2026 Jan 31 18:56 | 2026 Jan 23 09:59:18 | 34.2532 | 0.18395 | 2.7391 | 205.7534 | 88.8294 | 10.85946 | 10.743 |
| 2026 Jan 30 18:57 | 2026 Jan 23 09:59:18 | 34.2532 | 0.18395 | 2.7391 | 205.7534 | 88.8294 | 10.85946 | 10.743 |
| 2026 Jan 29 18:56 | 2026 Jan 23 09:59:18 | 34.2532 | 0.18395 | 2.7391 | 205.7534 | 88.8294 | 10.85946 | 10.743 |
| 2026 Jan 28 18:56 | 2026 Jan 23 09:59:18 | 34.2532 | 0.18395 | 2.7391 | 205.7534 | 88.8294 | 10.85946 | 10.743 |
| 2026 Jan 27 18:56 | 2026 Jan 22 07:30:34 | 34.2523 | 0.18395 | 2.9661 | 200.7788 | 88.8294 | 10.85946 | 10.743 |
| 2026 Jan 26 18:57 | 2026 Jan 22 07:30:34 | 34.2523 | 0.18395 | 2.9661 | 200.7788 | 88.8294 | 10.85946 | 10.743 |
| 2026 Jan 25 18:57 | 2026 Jan 22 07:30:34 | 34.2523 | 0.18395 | 2.9661 | 200.7788 | 88.8294 | 10.85946 | 10.743 |
| 2026 Jan 24 18:58 | 2026 Jan 22 07:30:34 | 34.2523 | 0.18395 | 2.9661 | 200.7788 | 88.8294 | 10.85946 | 10.743 |
| 2026 Jan 22 18:56 | 2026 Jan 22 07:30:34 | 34.2523 | 0.18395 | 2.9661 | 200.7788 | 88.8294 | 10.85946 | 10.743 |
| 2026 Jan 21 18:56 | 2026 Jan 16 10:17:45 | 34.2476 | 0.18395 | 4.1769 | 174.2472 | 88.8294 | 10.85946 | 10.743 |
| 2026 Jan 20 19:06 | 2026 Jan 16 10:17:45 | 34.2476 | 0.18395 | 4.1769 | 174.2472 | 88.8294 | 10.85946 | 10.743 |
| 2026 Jan 19 18:57 | 2026 Jan 16 10:17:45 | 34.2476 | 0.18395 | 4.1769 | 174.2472 | 88.8294 | 10.85946 | 10.743 |
| 2026 Jan 18 18:57 | 2026 Jan 16 10:17:45 | 34.2476 | 0.18395 | 4.1769 | 174.2472 | 88.8294 | 10.85946 | 10.743 |
| 2026 Jan 17 18:56 | 2026 Jan 16 10:17:45 | 34.2476 | 0.18395 | 4.1769 | 174.2472 | 88.8294 | 10.85946 | 10.743 |
| 2026 Jan 16 18:57 | 2026 Jan 16 10:17:45 | 34.2476 | 0.18395 | 4.1769 | 174.2472 | 88.8294 | 10.85946 | 10.743 |
| 2026 Jan 15 18:56 | 2026 Jan 11 13:21:03 | 34.2455 | 0.18397 | 5.1798 | 152.2719 | 88.8294 | 10.85946 | 10.743 |