C/2021 S1 (ATLAS)
Basic Information of C/2021 S1 (ATLAS)
Orbital Elements
| Parameter | Value |
|---|---|
| Orbit type | C |
| Perihelion distance (AU) | 6.127355 |
| Eccentricity | 1.002961 |
| Inclination (deg) | 52.034500 |
| Longitude of ascending node (deg) | 299.851100 |
| Argument of perihelion (deg) | 148.338300 |
| Epoch | 2025-11-21T00:00:00.000 |
| Reference | MPEC 2023-J29, MPC orbital elements |
Latest Perihelion
| Field | Value |
|---|---|
| Date (UTC) | 2022-03-02T03:09:21.600 |
Magnitude
Magnitude Chart Placeholder
Ephemeris
| Date (UTC) | RA (J2000) | Dec (J2000) | Δ (AU) | Motion (arcsec/hr) | Dir (deg) | Nearest HIP | Dist (arcmin) |
|---|---|---|---|---|---|---|---|
| 2025-11-21 | 09:57:25.99 | -27:08:00.4 | 10.940 | 12.35 | 174.3 | HIP 48930 | 20.54 |
| 2025-11-22 | 09:57:28.20 | -27:12:55.3 | 10.931 | 12.28 | 175.3 | HIP 48776 | 17.33 |
| 2025-11-23 | 09:57:30.02 | -27:17:48.9 | 10.923 | 12.21 | 176.3 | HIP 48776 | 13.34 |
| 2025-11-24 | 09:57:31.44 | -27:22:41.2 | 10.915 | 12.14 | 177.3 | HIP 48776 | 10.12 |
| 2025-11-25 | 09:57:32.45 | -27:27:32.2 | 10.906 | 12.07 | 178.4 | HIP 48776 | 8.55 |
| 2025-11-26 | 09:57:33.07 | -27:32:21.7 | 10.898 | 12.00 | 179.4 | HIP 48776 | 9.45 |
| 2025-11-27 | 09:57:33.28 | -27:37:09.8 | 10.889 | 11.94 | 180.5 | HIP 48776 | 12.25 |
| 2025-11-28 | 09:57:33.09 | -27:41:56.3 | 10.881 | 11.88 | 181.6 | HIP 48776 | 15.96 |
| 2025-11-29 | 09:57:32.49 | -27:46:41.2 | 10.872 | 11.81 | 182.7 | HIP 48776 | 20.06 |
| 2025-11-30 | 09:57:31.49 | -27:51:24.5 | 10.864 | 11.76 | 183.8 | HIP 48776 | 24.34 |
| 2025-12-01 | 09:57:30.09 | -27:56:06.0 | 10.855 | 11.70 | 184.9 | HIP 48776 | 28.71 |
| 2025-12-02 | 09:57:28.28 | -28:00:45.7 | 10.847 | 11.64 | 186.0 | HIP 48776 | 33.12 |
| 2025-12-03 | 09:57:26.07 | -28:05:23.5 | 10.838 | 11.59 | 187.1 | HIP 48776 | 37.55 |
| 2025-12-04 | 09:57:23.45 | -28:09:59.5 | 10.830 | 11.54 | 188.3 | HIP 48857 | 35.97 |
| 2025-12-05 | 09:57:20.43 | -28:14:33.5 | 10.821 | 11.49 | 189.4 | HIP 48857 | 31.66 |
| 2025-12-06 | 09:57:17.00 | -28:19:05.5 | 10.813 | 11.44 | 190.6 | HIP 48857 | 27.51 |
| 2025-12-07 | 09:57:13.17 | -28:23:35.4 | 10.804 | 11.44 | 190.6 | HIP 48857 | 23.60 |