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C/2021 A1 (Leonard)

Basic Information of C/2021 A1 (Leonard)

Orbital Elements

Parameter Value
Orbit type C
Perihelion distance (AU) 0.614740
Eccentricity 1.000270
Inclination (deg) 132.742900
Longitude of ascending node (deg) 255.905700
Argument of perihelion (deg) 225.123200
Epoch 2025-11-21T00:00:00.000
Reference MPC181179, MPC orbital elements

Latest Perihelion

Field Value
Date (UTC) 2022-01-04T00:22:45.120

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 16:08:59.07 -07:01:30.3 14.263 9.91 97.5 HIP 79174 19.64
2025-11-22 16:09:14.91 -07:02:01.4 14.270 9.91 97.2 HIP 79174 18.85
2025-11-23 16:09:30.77 -07:02:31.4 14.276 9.91 97.0 HIP 79174 18.86
2025-11-24 16:09:46.62 -07:03:00.3 14.283 9.90 96.7 HIP 79174 19.67
2025-11-25 16:10:02.48 -07:03:28.1 14.289 9.90 96.5 HIP 79174 21.19
2025-11-26 16:10:18.33 -07:03:54.9 14.295 9.89 96.2 HIP 79174 23.28
2025-11-27 16:10:34.18 -07:04:20.5 14.301 9.87 95.9 HIP 79313 24.38
2025-11-28 16:10:50.01 -07:04:45.0 14.306 9.86 95.7 HIP 79313 22.74
2025-11-29 16:11:05.82 -07:05:08.4 14.311 9.84 95.4 HIP 79313 21.73
2025-11-30 16:11:21.61 -07:05:30.6 14.316 9.82 95.1 HIP 79313 21.42
2025-12-01 16:11:37.38 -07:05:51.7 14.321 9.79 94.9 HIP 79313 21.84
2025-12-02 16:11:53.11 -07:06:11.7 14.325 9.77 94.6 HIP 79447 20.81
2025-12-03 16:12:08.82 -07:06:30.4 14.329 9.74 94.3 HIP 79447 18.77
2025-12-04 16:12:24.48 -07:06:48.0 14.333 9.71 94.0 HIP 79447 17.37
2025-12-05 16:12:40.10 -07:07:04.5 14.336 9.68 93.8 HIP 79447 16.76
2025-12-06 16:12:55.68 -07:07:19.7 14.339 9.65 93.5 HIP 79447 17.02
2025-12-07 16:13:11.21 -07:07:33.8 14.342 9.65 93.5 HIP 79545 16.81