planetarium / comet

Clear skies!

C/2021 T4 (Lemmon)

Basic Information of C/2021 T4 (Lemmon)

Orbital Elements

Parameter Value
Orbit type C
Perihelion distance (AU) 1.480829
Eccentricity 0.999562
Inclination (deg) 160.778600
Longitude of ascending node (deg) 257.886900
Argument of perihelion (deg) 329.747700
Epoch 2025-11-21T00:00:00.000
Reference MPC184409, MPC orbital elements
Period (years) 196583.109606

Latest Perihelion

Field Value
Date (UTC) 2023-07-31T11:02:41.280
Period (years) 196583.109606

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 11:29:08.58 +23:28:26.8 8.774 5.23 22.8 HIP 55966 22.03
2025-11-22 11:29:12.12 +23:30:22.5 8.765 5.28 19.7 HIP 55966 24.04
2025-11-23 11:29:15.23 +23:32:22.0 8.756 5.35 16.6 HIP 55966 26.05
2025-11-24 11:29:17.89 +23:34:25.0 8.747 5.43 13.6 HIP 55966 28.07
2025-11-25 11:29:20.12 +23:36:31.6 8.738 5.52 10.6 HIP 55966 30.09
2025-11-26 11:29:21.89 +23:38:41.8 8.729 5.62 7.7 HIP 55966 32.13
2025-11-27 11:29:23.21 +23:40:55.6 8.719 5.74 4.9 HIP 55903 33.35
2025-11-28 11:29:24.07 +23:43:12.9 8.710 5.87 2.2 HIP 55903 32.08
2025-11-29 11:29:24.47 +23:45:33.7 8.701 6.02 359.6 HIP 55903 30.80
2025-11-30 11:29:24.41 +23:47:58.1 8.691 6.17 357.2 HIP 55903 29.52
2025-12-01 11:29:23.87 +23:50:26.0 8.682 6.33 354.8 HIP 55903 28.28
2025-12-02 11:29:22.87 +23:52:57.3 8.673 6.50 352.5 HIP 55903 27.08
2025-12-03 11:29:21.39 +23:55:32.1 8.663 6.69 350.4 HIP 55903 25.95
2025-12-04 11:29:19.43 +23:58:10.2 8.654 6.88 348.3 HIP 55903 24.93
2025-12-05 11:29:16.98 +24:00:51.8 8.644 7.07 346.3 HIP 55903 24.04
2025-12-06 11:29:14.06 +24:03:36.8 8.635 7.28 344.5 HIP 55903 23.34
2025-12-07 11:29:10.64 +24:06:25.1 8.625 7.28 344.5 HIP 55903 22.87