C/2021 Y1 (ATLAS)
Basic Information of C/2021 Y1 (ATLAS)
Orbital Elements
| Parameter | Value |
|---|---|
| Orbit type | C |
| Perihelion distance (AU) | 2.032362 |
| Eccentricity | 1.001704 |
| Inclination (deg) | 77.178000 |
| Longitude of ascending node (deg) | 244.765500 |
| Argument of perihelion (deg) | 245.853500 |
| Epoch | 2025-11-21T00:00:00.000 |
| Reference | MPEC 2024-GJ3, MPC orbital elements |
Latest Perihelion
| Field | Value |
|---|---|
| Date (UTC) | 2023-05-01T00:38:00.960 |
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 | 16:21:30.86 | -13:40:02.0 | 9.912 | 16.15 | 88.4 | HIP 80048 | 16.97 |
| 2025-11-22 | 16:21:57.45 | -13:39:50.9 | 9.921 | 16.16 | 88.2 | HIP 80048 | 23.43 |
| 2025-11-23 | 16:22:24.04 | -13:39:38.9 | 9.930 | 16.16 | 88.1 | HIP 80282 | 23.15 |
| 2025-11-24 | 16:22:50.63 | -13:39:26.0 | 9.939 | 16.16 | 88.0 | HIP 80282 | 20.37 |
| 2025-11-25 | 16:23:17.23 | -13:39:12.2 | 9.947 | 16.16 | 87.8 | HIP 80366 | 15.25 |
| 2025-11-26 | 16:23:43.81 | -13:38:57.5 | 9.955 | 16.15 | 87.7 | HIP 80366 | 8.79 |
| 2025-11-27 | 16:24:10.38 | -13:38:41.8 | 9.962 | 16.14 | 87.5 | HIP 80366 | 2.33 |
| 2025-11-28 | 16:24:36.93 | -13:38:25.1 | 9.970 | 16.13 | 87.4 | HIP 80366 | 4.13 |
| 2025-11-29 | 16:25:03.46 | -13:38:07.4 | 9.977 | 16.11 | 87.2 | HIP 80366 | 10.58 |
| 2025-11-30 | 16:25:29.96 | -13:37:48.8 | 9.983 | 16.09 | 87.1 | HIP 80366 | 17.02 |
| 2025-12-01 | 16:25:56.42 | -13:37:29.1 | 9.990 | 16.07 | 86.9 | HIP 80560 | 18.81 |
| 2025-12-02 | 16:26:22.84 | -13:37:08.4 | 9.996 | 16.05 | 86.8 | HIP 80560 | 15.34 |
| 2025-12-03 | 16:26:49.21 | -13:36:46.6 | 10.002 | 16.02 | 86.6 | HIP 80560 | 14.14 |
| 2025-12-04 | 16:27:15.53 | -13:36:23.8 | 10.008 | 15.99 | 86.4 | HIP 80560 | 15.72 |
| 2025-12-05 | 16:27:41.80 | -13:35:59.9 | 10.013 | 15.96 | 86.3 | HIP 80687 | 16.48 |
| 2025-12-06 | 16:28:08.01 | -13:35:34.9 | 10.019 | 15.92 | 86.1 | HIP 80687 | 12.59 |
| 2025-12-07 | 16:28:34.16 | -13:35:08.8 | 10.024 | 15.92 | 86.1 | HIP 80687 | 11.26 |