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 Jun 15 17:56 | 2026 Jun 10 04:58:02 | 34.2470 | 0.18355 | 22.3914 | 107.0222 | 273.8822 | 10.85995 | 10.743 |
| 2026 Jun 14 17:57 | 2026 Jun 10 04:58:02 | 34.2470 | 0.18355 | 22.3914 | 107.0222 | 273.8822 | 10.85995 | 10.743 |
| 2026 Jun 13 17:56 | 2026 Jun 10 04:58:02 | 34.2470 | 0.18355 | 22.3914 | 107.0222 | 273.8822 | 10.85995 | 10.743 |
| 2026 Jun 12 17:56 | 2026 Jun 10 04:58:02 | 34.2470 | 0.18355 | 22.3914 | 107.0222 | 273.8822 | 10.85995 | 10.743 |
| 2026 Jun 11 17:57 | 2026 Jun 06 06:02:55 | 34.2474 | 0.18355 | 23.2050 | 89.1892 | 273.8822 | 10.85995 | 10.743 |
| 2026 Jun 10 17:56 | 2026 Jun 06 06:02:55 | 34.2474 | 0.18355 | 23.2050 | 89.1892 | 273.8822 | 10.85995 | 10.743 |
| 2026 Jun 09 17:57 | 2026 Jun 06 06:02:55 | 34.2474 | 0.18355 | 23.2050 | 89.1892 | 273.8822 | 10.85995 | 10.743 |
| 2026 Jun 08 17:56 | 2026 Jun 06 06:02:55 | 34.2474 | 0.18355 | 23.2050 | 89.1892 | 273.8822 | 10.85995 | 10.743 |
| 2026 Jun 07 17:56 | 2026 Jun 06 06:02:55 | 34.2474 | 0.18355 | 23.2050 | 89.1892 | 273.8822 | 10.85995 | 10.743 |
| 2026 Jun 06 17:56 | 2026 May 30 23:55:17 | 34.2469 | 0.18355 | 0.4917 | 60.9798 | 273.8822 | 10.85995 | 10.743 |
| 2026 Jun 05 17:56 | 2026 May 30 23:55:17 | 34.2469 | 0.18355 | 0.4917 | 60.9798 | 273.8822 | 10.85995 | 10.743 |
| 2026 Jun 04 17:57 | 2026 May 30 23:55:17 | 34.2469 | 0.18355 | 0.4917 | 60.9798 | 273.8822 | 10.85995 | 10.743 |
| 2026 Jun 02 17:56 | 2026 May 30 23:55:17 | 34.2469 | 0.18355 | 0.4917 | 60.9798 | 273.8822 | 10.85995 | 10.743 |
| 2026 Jun 01 17:57 | 2026 May 30 23:55:17 | 34.2469 | 0.18355 | 0.4917 | 60.9798 | 273.8822 | 10.85995 | 10.743 |
| 2026 May 31 17:58 | 2026 May 30 23:55:17 | 34.2469 | 0.18355 | 0.4917 | 60.9798 | 273.8822 | 10.85995 | 10.743 |
| 2026 May 30 17:57 | 2026 May 26 00:41:15 | 34.2465 | 0.18355 | 1.5138 | 38.5732 | 273.8822 | 10.85995 | 10.743 |
| 2026 May 29 17:57 | 2026 May 26 00:41:15 | 34.2465 | 0.18355 | 1.5138 | 38.5732 | 273.8822 | 10.85995 | 10.743 |
| 2026 May 28 17:56 | 2026 May 26 00:41:15 | 34.2465 | 0.18355 | 1.5138 | 38.5732 | 273.8822 | 10.85995 | 10.743 |
| 2026 May 27 17:57 | 2026 May 26 00:41:15 | 34.2465 | 0.18355 | 1.5138 | 38.5732 | 273.8822 | 10.85995 | 10.743 |
| 2026 May 26 17:57 | 2026 May 26 00:41:15 | 34.2465 | 0.18355 | 1.5138 | 38.5732 | 273.8822 | 10.85995 | 10.743 |
| 2026 May 25 17:57 | 2026 May 21 01:26:44 | 34.2468 | 0.18357 | 2.5361 | 16.1630 | 273.8822 | 10.85995 | 10.743 |
| 2026 May 24 17:57 | 2026 May 21 01:26:44 | 34.2468 | 0.18357 | 2.5361 | 16.1630 | 273.8822 | 10.85995 | 10.743 |
| 2026 May 23 17:58 | 2026 May 21 01:26:44 | 34.2468 | 0.18357 | 2.5361 | 16.1630 | 273.8822 | 10.85995 | 10.743 |
| 2026 May 22 17:57 | 2026 May 21 01:26:44 | 34.2468 | 0.18357 | 2.5361 | 16.1630 | 273.8822 | 10.85995 | 10.743 |
| 2026 May 21 17:57 | 2026 May 21 01:26:44 | 34.2468 | 0.18357 | 2.5361 | 16.1630 | 273.8822 | 10.85995 | 10.743 |
| 2026 May 20 17:57 | 2026 May 16 02:12:00 | 34.2476 | 0.18359 | 3.5584 | 353.7548 | 273.8822 | 10.85995 | 10.743 |
| 2026 May 19 17:58 | 2026 May 16 02:12:00 | 34.2476 | 0.18359 | 3.5584 | 353.7548 | 273.8822 | 10.85995 | 10.743 |