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 May 23 17:58 | 2026 May 23 10:53:10 | 89.8966 | 0.00699 | 8.1822 | 171.5690 | 316.5083 | 13.36273 | 9.243 |
| 2026 May 22 17:57 | 2026 May 22 05:33:22 | 89.8966 | 0.00698 | 8.1830 | 175.0200 | 316.5083 | 13.36273 | 9.243 |
| 2026 May 21 17:57 | 2026 May 21 04:58:59 | 89.8965 | 0.00697 | 8.1837 | 177.9198 | 316.5083 | 13.36273 | 9.243 |
| 2026 May 20 17:57 | 2026 May 20 09:23:57 | 89.8965 | 0.00696 | 8.1842 | 180.2329 | 316.5083 | 13.36273 | 9.243 |
| 2026 May 19 17:58 | 2026 May 19 09:57:49 | 89.8965 | 0.00695 | 8.1849 | 182.9994 | 316.5083 | 13.36273 | 9.243 |
| 2026 May 18 17:57 | 2026 May 18 10:39:30 | 89.8965 | 0.00694 | 8.1855 | 185.7558 | 316.5083 | 13.36273 | 9.243 |
| 2026 May 17 17:57 | 2026 May 17 11:04:54 | 89.8965 | 0.00693 | 8.1862 | 188.5431 | 316.5083 | 13.36273 | 9.243 |
| 2026 May 16 17:56 | 2026 May 16 05:47:16 | 89.8965 | 0.00692 | 8.1870 | 192.0039 | 316.5083 | 13.36273 | 9.243 |
| 2026 May 15 17:57 | 2026 May 15 06:54:09 | 89.8965 | 0.00691 | 8.1876 | 194.7224 | 316.5083 | 13.36273 | 9.243 |
| 2026 May 14 17:58 | 2026 May 14 05:51:21 | 89.8964 | 0.00690 | 8.1883 | 197.7073 | 316.5083 | 13.36273 | 9.243 |
| 2026 May 13 17:58 | 2026 May 13 10:15:10 | 89.8963 | 0.00689 | 8.1889 | 200.0459 | 316.5083 | 13.36273 | 9.243 |
| 2026 May 12 17:58 | 2026 May 12 06:32:43 | 89.8963 | 0.00688 | 8.1896 | 203.3564 | 316.5083 | 13.36273 | 9.243 |
| 2026 May 11 17:56 | 2026 May 11 09:24:23 | 89.8962 | 0.00687 | 8.1902 | 205.8817 | 316.5083 | 13.36273 | 9.243 |
| 2026 May 10 17:57 | 2026 May 10 11:57:06 | 89.8962 | 0.00686 | 8.1908 | 208.4378 | 316.5083 | 13.36273 | 9.243 |
| 2026 May 09 17:57 | 2026 May 09 11:00:37 | 89.8961 | 0.00685 | 8.1915 | 211.4134 | 316.5083 | 13.36273 | 9.243 |
| 2026 May 08 17:57 | 2026 May 08 06:05:01 | 89.8962 | 0.00684 | 8.1923 | 214.8798 | 316.5083 | 13.36273 | 9.243 |
| 2026 May 07 17:58 | 2026 May 07 06:12:15 | 89.8962 | 0.00684 | 8.1930 | 217.7356 | 316.5083 | 13.36273 | 9.243 |
| 2026 May 06 17:57 | 2026 May 06 11:03:14 | 89.8962 | 0.00683 | 8.1935 | 220.0349 | 316.5083 | 13.36273 | 9.243 |
| 2026 May 05 17:57 | 2026 May 05 07:53:27 | 89.8962 | 0.00682 | 8.1943 | 223.2984 | 316.5083 | 13.36273 | 9.243 |
| 2026 May 04 17:57 | 2026 May 04 12:11:36 | 89.8962 | 0.00682 | 8.1948 | 225.6632 | 316.5083 | 13.36273 | 9.243 |
| 2026 May 03 17:57 | 2026 May 03 12:50:19 | 89.8962 | 0.00681 | 8.1955 | 228.4761 | 316.5083 | 13.36273 | 9.243 |
| 2026 May 02 17:57 | 2026 May 02 09:45:43 | 89.8962 | 0.00680 | 8.1963 | 231.7361 | 316.5083 | 13.36273 | 9.243 |
| 2026 May 01 17:56 | 2026 May 01 10:44:41 | 89.8962 | 0.00680 | 8.1969 | 234.5157 | 316.5083 | 13.36273 | 9.243 |
| 2026 Apr 30 17:56 | 2026 Apr 30 11:23:27 | 89.8962 | 0.00679 | 8.1975 | 237.3328 | 316.5083 | 13.36273 | 9.243 |
| 2026 Apr 29 17:57 | 2026 Apr 29 13:37:10 | 89.8962 | 0.00679 | 8.1982 | 239.9639 | 316.5083 | 13.36273 | 9.243 |
| 2026 Apr 28 17:56 | 2026 Apr 28 10:51:29 | 89.8962 | 0.00678 | 8.1989 | 243.1981 | 316.5083 | 13.36273 | 9.243 |
| 2026 Apr 27 17:58 | 2026 Apr 27 11:09:11 | 89.8963 | 0.00678 | 8.1996 | 246.0518 | 316.5083 | 13.36273 | 9.243 |
| 2026 Apr 26 17:58 | 2026 Apr 26 12:04:02 | 89.8963 | 0.00677 | 8.2002 | 248.8420 | 316.5083 | 13.36273 | 9.243 |