planetarium / comet

Clear skies!

C/2020 S4 (PANSTARRS)

Basic Information of C/2020 S4 (PANSTARRS)

Orbital Elements

Parameter Value
Orbit type C
Perihelion distance (AU) 3.371022
Eccentricity 1.002982
Inclination (deg) 20.571400
Longitude of ascending node (deg) 117.677000
Argument of perihelion (deg) 21.081400
Epoch 2025-11-21T00:00:00.000
Reference MPEC 2024-N80, MPC orbital elements

Latest Perihelion

Field Value
Date (UTC) 2023-02-09T17:01:49.440

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 16:19:36.69 -06:11:08.7 9.911 19.37 103.1 HIP 79924 16.61
2025-11-22 16:20:07.04 -06:12:54.4 9.919 19.35 102.9 HIP 79924 23.61
2025-11-23 16:20:37.40 -06:14:38.2 9.926 19.34 102.7 HIP 80097 22.00
2025-11-24 16:21:07.77 -06:16:20.3 9.934 19.32 102.5 HIP 80097 19.56
2025-11-25 16:21:38.13 -06:18:00.5 9.941 19.30 102.3 HIP 80097 20.06
2025-11-26 16:22:08.49 -06:19:38.9 9.947 19.27 102.1 HIP 80097 23.28
2025-11-27 16:22:38.83 -06:21:15.5 9.954 19.25 101.8 HIP 80097 28.31
2025-11-28 16:23:09.16 -06:22:50.3 9.960 19.22 101.6 HIP 80402 24.83
2025-11-29 16:23:39.47 -06:24:23.2 9.966 19.18 101.4 HIP 80402 17.35
2025-11-30 16:24:09.75 -06:25:54.2 9.972 19.15 101.2 HIP 80402 10.23
2025-12-01 16:24:39.99 -06:27:23.4 9.977 19.11 101.0 HIP 80402 5.12
2025-12-02 16:25:10.20 -06:28:50.8 9.982 19.07 100.8 HIP 80402 8.07
2025-12-03 16:25:40.37 -06:30:16.2 9.987 19.03 100.6 HIP 80402 14.86
2025-12-04 16:26:10.49 -06:31:39.8 9.992 18.98 100.3 HIP 80402 22.19
2025-12-05 16:26:40.56 -06:33:01.5 9.997 18.93 100.1 HIP 80509 25.24
2025-12-06 16:27:10.58 -06:34:21.4 10.001 18.88 99.9 HIP 80509 27.57
2025-12-07 16:27:40.53 -06:35:39.4 10.005 18.88 99.9 HIP 80509 31.59