Orbital elements of CALSPHERE 4A
| Launched | 12 August 1965 |
| Flight ended | – |
| Launch site | Air Force Western Test Range, California, USA |
| Owner | United States |
| NORAD ID | 1520 |
| 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 05 12:02:17 | 89.9090 | 0.00717 | 8.2510 | 115.1633 | 257.1067 | 13.36253 | 9.243 |
| 2026 Feb 04 18:57 | 2026 Feb 04 11:24:57 | 89.9092 | 0.00717 | 8.2516 | 117.9849 | 257.1067 | 13.36253 | 9.243 |
| 2026 Feb 03 18:56 | 2026 Feb 03 06:20:41 | 89.9093 | 0.00716 | 8.2523 | 121.3173 | 257.1067 | 13.36253 | 9.243 |
| 2026 Feb 02 18:56 | 2026 Feb 02 12:09:10 | 89.9095 | 0.00716 | 8.2528 | 123.4036 | 257.1067 | 13.36253 | 9.243 |
| 2026 Feb 01 18:56 | 2026 Feb 01 11:31:54 | 89.9097 | 0.00716 | 8.2534 | 126.2178 | 257.1067 | 13.36253 | 9.243 |
| 2026 Jan 31 18:56 | 2026 Jan 31 06:27:27 | 89.9098 | 0.00715 | 8.2541 | 129.5704 | 257.1067 | 13.36253 | 9.243 |
| 2026 Jan 30 18:57 | 2026 Jan 30 07:07:46 | 89.9100 | 0.00715 | 8.2547 | 132.2511 | 257.1067 | 13.36253 | 9.243 |
| 2026 Jan 29 18:56 | 2026 Jan 29 05:55:49 | 89.9101 | 0.00714 | 8.2553 | 135.1490 | 257.1067 | 13.36253 | 9.243 |
| 2026 Jan 28 18:56 | 2026 Jan 27 18:12:45 | 89.9103 | 0.00713 | 8.2561 | 139.2662 | 257.1067 | 13.36253 | 9.243 |
| 2026 Jan 27 18:56 | 2026 Jan 27 07:14:32 | 89.9103 | 0.00713 | 8.2564 | 140.5234 | 257.1067 | 13.36253 | 9.243 |
| 2026 Jan 26 18:57 | 2026 Jan 26 11:45:46 | 89.9105 | 0.00713 | 8.2569 | 142.7686 | 257.1067 | 13.36253 | 9.243 |
| 2026 Jan 25 18:57 | 2026 Jan 25 06:44:48 | 89.9104 | 0.00712 | 8.2576 | 146.1121 | 257.1067 | 13.36253 | 9.243 |
| 2026 Jan 24 18:58 | 2026 Jan 24 12:29:54 | 89.9105 | 0.00712 | 8.2580 | 148.2148 | 257.1067 | 13.36253 | 9.243 |
| 2026 Jan 22 18:56 | 2026 Jan 22 06:50:55 | 89.9106 | 0.00710 | 8.2593 | 154.4130 | 257.1067 | 13.36253 | 9.243 |