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 May 16 17:56 | 2026 May 16 02:12:00 | 34.2476 | 0.18359 | 3.5584 | 353.7548 | 4.2776 | 10.85981 | 10.743 |
| 2026 May 15 17:57 | 2026 May 10 02:39:56 | 34.2509 | 0.18364 | 4.7889 | 326.7842 | 4.2776 | 10.85981 | 10.743 |
| 2026 May 14 17:58 | 2026 May 10 02:39:56 | 34.2509 | 0.18364 | 4.7889 | 326.7842 | 4.2776 | 10.85981 | 10.743 |
| 2026 May 13 17:58 | 2026 May 10 02:39:56 | 34.2509 | 0.18364 | 4.7889 | 326.7842 | 4.2776 | 10.85981 | 10.743 |
| 2026 May 12 17:58 | 2026 May 10 02:39:56 | 34.2509 | 0.18364 | 4.7889 | 326.7842 | 4.2776 | 10.85981 | 10.743 |
| 2026 May 11 17:56 | 2026 May 10 02:39:56 | 34.2509 | 0.18364 | 4.7889 | 326.7842 | 4.2776 | 10.85981 | 10.743 |
| 2026 May 10 17:57 | 2026 May 10 02:39:56 | 34.2509 | 0.18364 | 4.7889 | 326.7842 | 4.2776 | 10.85981 | 10.743 |
| 2026 May 09 17:57 | 2026 May 04 23:00:46 | 34.2532 | 0.18368 | 5.8487 | 303.5614 | 4.2776 | 10.85981 | 10.743 |
| 2026 May 08 17:57 | 2026 May 04 23:00:46 | 34.2532 | 0.18368 | 5.8487 | 303.5614 | 4.2776 | 10.85981 | 10.743 |
| 2026 May 07 17:58 | 2026 May 04 23:00:46 | 34.2532 | 0.18368 | 5.8487 | 303.5614 | 4.2776 | 10.85981 | 10.743 |
| 2026 May 06 17:57 | 2026 May 04 23:00:46 | 34.2532 | 0.18368 | 5.8487 | 303.5614 | 4.2776 | 10.85981 | 10.743 |
| 2026 May 05 17:57 | 2026 May 04 23:00:46 | 34.2532 | 0.18368 | 5.8487 | 303.5614 | 4.2776 | 10.85981 | 10.743 |
| 2026 May 04 17:57 | 2026 Apr 29 23:47:15 | 34.2546 | 0.18370 | 6.8704 | 281.1757 | 4.2776 | 10.85981 | 10.743 |
| 2026 May 03 17:57 | 2026 Apr 29 23:47:15 | 34.2546 | 0.18370 | 6.8704 | 281.1757 | 4.2776 | 10.85981 | 10.743 |
| 2026 May 02 17:57 | 2026 Apr 29 23:47:15 | 34.2546 | 0.18370 | 6.8704 | 281.1757 | 4.2776 | 10.85981 | 10.743 |
| 2026 May 01 17:56 | 2026 Apr 29 23:47:15 | 34.2546 | 0.18370 | 6.8704 | 281.1757 | 4.2776 | 10.85981 | 10.743 |
| 2026 Apr 30 17:56 | 2026 Apr 29 23:47:15 | 34.2546 | 0.18370 | 6.8704 | 281.1757 | 4.2776 | 10.85981 | 10.743 |
| 2026 Apr 29 17:57 | 2026 Apr 24 09:07:37 | 34.2534 | 0.18370 | 8.0244 | 255.8927 | 4.2776 | 10.85981 | 10.743 |
| 2026 Apr 28 17:56 | 2026 Apr 24 09:07:37 | 34.2534 | 0.18370 | 8.0244 | 255.8927 | 4.2776 | 10.85981 | 10.743 |
| 2026 Apr 27 17:58 | 2026 Apr 24 09:07:37 | 34.2534 | 0.18370 | 8.0244 | 255.8927 | 4.2776 | 10.85981 | 10.743 |
| 2026 Apr 26 17:58 | 2026 Apr 24 09:07:37 | 34.2534 | 0.18370 | 8.0244 | 255.8927 | 4.2776 | 10.85981 | 10.743 |
| 2026 Apr 25 17:58 | 2026 Apr 24 09:07:37 | 34.2534 | 0.18370 | 8.0244 | 255.8927 | 4.2776 | 10.85981 | 10.743 |
| 2026 Apr 24 17:59 | 2026 Apr 24 09:07:37 | 34.2534 | 0.18370 | 8.0244 | 255.8927 | 4.2776 | 10.85981 | 10.743 |
| 2026 Apr 23 17:57 | 2026 Apr 18 18:29:32 | 34.2505 | 0.18367 | 9.1783 | 230.6077 | 4.2776 | 10.85981 | 10.743 |
| 2026 Apr 22 17:57 | 2026 Apr 18 18:29:32 | 34.2505 | 0.18367 | 9.1783 | 230.6077 | 4.2776 | 10.85981 | 10.743 |
| 2026 Apr 21 17:57 | 2026 Apr 18 18:29:32 | 34.2505 | 0.18367 | 9.1783 | 230.6077 | 4.2776 | 10.85981 | 10.743 |
| 2026 Apr 20 17:57 | 2026 Apr 18 18:29:32 | 34.2505 | 0.18367 | 9.1783 | 230.6077 | 4.2776 | 10.85981 | 10.743 |
| 2026 Apr 19 17:58 | 2026 Apr 18 18:29:32 | 34.2505 | 0.18367 | 9.1783 | 230.6077 | 4.2776 | 10.85981 | 10.743 |