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C/2021 A2 (NEOWISE)

Basic Information of C/2021 A2 (NEOWISE)

Orbital Elements

Parameter Value
Orbit type C
Perihelion distance (AU) 1.413826
Eccentricity 0.993793
Inclination (deg) 107.031300
Longitude of ascending node (deg) 125.103000
Argument of perihelion (deg) 338.773800
Epoch 2024-10-17T00:00:00.000
Reference , MPC orbital elements
Period (years) 3437.726547

Latest Perihelion

Field Value
Date (UTC) 2021-01-22T01:38:29.760
Period (years) 3437.726547

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 20:25:15.10 +36:04:26.1 14.686 9.17 150.7 HIP 100777 18.29
2025-11-22 20:25:23.98 +36:01:14.2 14.702 9.15 149.6 HIP 100777 14.62
2025-11-23 20:25:33.13 +35:58:04.8 14.718 9.13 148.5 HIP 100777 10.96
2025-11-24 20:25:42.55 +35:54:57.8 14.735 9.12 147.4 HIP 100777 7.31
2025-11-25 20:25:52.25 +35:51:53.3 14.751 9.11 146.3 HIP 100777 3.67
2025-11-26 20:26:02.20 +35:48:51.4 14.768 9.09 145.3 HIP 100777 0.31
2025-11-27 20:26:12.42 +35:45:52.0 14.784 9.08 144.2 HIP 100791 1.44
2025-11-28 20:26:22.89 +35:42:55.3 14.800 9.07 143.1 HIP 100820 2.78
2025-11-29 20:26:33.62 +35:40:01.2 14.816 9.06 142.0 HIP 100820 1.00
2025-11-30 20:26:44.59 +35:37:09.7 14.833 9.05 141.0 HIP 100820 4.52
2025-12-01 20:26:55.80 +35:34:21.0 14.849 9.04 139.9 HIP 100820 8.13
2025-12-02 20:27:07.25 +35:31:35.0 14.865 9.03 138.8 HIP 100820 11.74
2025-12-03 20:27:18.93 +35:28:51.7 14.881 9.03 137.8 HIP 100820 15.34
2025-12-04 20:27:30.85 +35:26:11.2 14.897 9.02 136.7 HIP 100820 18.94
2025-12-05 20:27:42.99 +35:23:33.5 14.913 9.02 135.7 HIP 100820 22.54
2025-12-06 20:27:55.35 +35:20:58.6 14.929 9.02 134.6 HIP 100827 24.71
2025-12-07 20:28:07.93 +35:18:26.6 14.945 9.02 134.6 HIP 101073 22.58