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 Apr 30 17:56 | 2026 Apr 29 23:47:15 | 34.2546 | 0.18370 | 6.8704 | 281.1757 | 58.8730 | 10.85976 | 10.743 |
| 2026 Apr 29 17:57 | 2026 Apr 24 09:07:37 | 34.2534 | 0.18370 | 8.0244 | 255.8927 | 58.8730 | 10.85976 | 10.743 |
| 2026 Apr 28 17:56 | 2026 Apr 24 09:07:37 | 34.2534 | 0.18370 | 8.0244 | 255.8927 | 58.8730 | 10.85976 | 10.743 |
| 2026 Apr 27 17:58 | 2026 Apr 24 09:07:37 | 34.2534 | 0.18370 | 8.0244 | 255.8927 | 58.8730 | 10.85976 | 10.743 |
| 2026 Apr 26 17:58 | 2026 Apr 24 09:07:37 | 34.2534 | 0.18370 | 8.0244 | 255.8927 | 58.8730 | 10.85976 | 10.743 |
| 2026 Apr 25 17:58 | 2026 Apr 24 09:07:37 | 34.2534 | 0.18370 | 8.0244 | 255.8927 | 58.8730 | 10.85976 | 10.743 |
| 2026 Apr 24 17:59 | 2026 Apr 24 09:07:37 | 34.2534 | 0.18370 | 8.0244 | 255.8927 | 58.8730 | 10.85976 | 10.743 |
| 2026 Apr 23 17:57 | 2026 Apr 18 18:29:32 | 34.2505 | 0.18367 | 9.1783 | 230.6077 | 58.8730 | 10.85976 | 10.743 |
| 2026 Apr 22 17:57 | 2026 Apr 18 18:29:32 | 34.2505 | 0.18367 | 9.1783 | 230.6077 | 58.8730 | 10.85976 | 10.743 |
| 2026 Apr 21 17:57 | 2026 Apr 18 18:29:32 | 34.2505 | 0.18367 | 9.1783 | 230.6077 | 58.8730 | 10.85976 | 10.743 |
| 2026 Apr 20 17:57 | 2026 Apr 18 18:29:32 | 34.2505 | 0.18367 | 9.1783 | 230.6077 | 58.8730 | 10.85976 | 10.743 |
| 2026 Apr 19 17:58 | 2026 Apr 18 18:29:32 | 34.2505 | 0.18367 | 9.1783 | 230.6077 | 58.8730 | 10.85976 | 10.743 |
| 2026 Apr 18 17:56 | 2026 Apr 12 19:03:25 | 34.2458 | 0.18364 | 10.4079 | 203.6576 | 58.8730 | 10.85976 | 10.743 |
| 2026 Apr 16 17:57 | 2026 Apr 12 19:03:25 | 34.2458 | 0.18364 | 10.4079 | 203.6576 | 58.8730 | 10.85976 | 10.743 |
| 2026 Apr 14 17:57 | 2026 Apr 12 19:03:25 | 34.2458 | 0.18364 | 10.4079 | 203.6576 | 58.8730 | 10.85976 | 10.743 |
| 2026 Apr 13 17:57 | 2026 Apr 12 19:03:25 | 34.2458 | 0.18364 | 10.4079 | 203.6576 | 58.8730 | 10.85976 | 10.743 |
| 2026 Apr 12 17:57 | 2026 Apr 08 11:21:17 | 34.2434 | 0.18362 | 11.2970 | 184.1666 | 58.8730 | 10.85976 | 10.743 |
| 2026 Apr 11 17:57 | 2026 Apr 08 11:21:17 | 34.2434 | 0.18362 | 11.2970 | 184.1666 | 58.8730 | 10.85976 | 10.743 |
| 2026 Apr 10 17:58 | 2026 Apr 08 11:21:17 | 34.2434 | 0.18362 | 11.2970 | 184.1666 | 58.8730 | 10.85976 | 10.743 |
| 2026 Apr 09 18:01 | 2026 Apr 08 11:21:17 | 34.2434 | 0.18362 | 11.2970 | 184.1666 | 58.8730 | 10.85976 | 10.743 |
| 2026 Apr 08 17:57 | 2026 Apr 08 11:21:17 | 34.2434 | 0.18362 | 11.2970 | 184.1666 | 58.8730 | 10.85976 | 10.743 |
| 2026 Apr 07 17:57 | 2026 Apr 01 09:27:32 | 34.2408 | 0.18363 | 12.7536 | 152.2306 | 58.8730 | 10.85976 | 10.743 |
| 2026 Apr 06 17:57 | 2026 Apr 01 09:27:32 | 34.2408 | 0.18363 | 12.7536 | 152.2306 | 58.8730 | 10.85976 | 10.743 |
| 2026 Apr 05 17:56 | 2026 Apr 01 09:27:32 | 34.2408 | 0.18363 | 12.7536 | 152.2306 | 58.8730 | 10.85976 | 10.743 |
| 2026 Apr 04 17:57 | 2026 Apr 01 09:27:32 | 34.2408 | 0.18363 | 12.7536 | 152.2306 | 58.8730 | 10.85976 | 10.743 |
| 2026 Apr 03 17:56 | 2026 Apr 01 09:27:32 | 34.2408 | 0.18363 | 12.7536 | 152.2306 | 58.8730 | 10.85976 | 10.743 |