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C/2009 O4 (Hill)

Basic Information of C/2009 O4 (Hill)

Orbital Elements

Parameter Value
Orbit type C
Perihelion distance (AU) 2.571589
Eccentricity 1.000467
Inclination (deg) 96.210800
Longitude of ascending node (deg) 173.081900
Argument of perihelion (deg) 223.708700
Epoch 2023-02-25T00:00:00.000
Reference , MPC orbital elements

Latest Perihelion

Field Value
Date (UTC) 2010-01-01T08:02:06.720

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 11:53:49.71 +12:48:33.4 33.574 2.05 81.7 HIP 57941 38.96
2025-11-22 11:53:53.03 +12:48:40.4 33.562 1.99 80.5 HIP 57941 39.13
2025-11-23 11:53:56.26 +12:48:48.3 33.551 1.94 79.2 HIP 57941 39.30
2025-11-24 11:53:59.38 +12:48:57.1 33.539 1.88 77.8 HIP 57941 39.45
2025-11-25 11:54:02.40 +12:49:06.6 33.527 1.83 76.3 HIP 57941 39.60
2025-11-26 11:54:05.31 +12:49:17.0 33.515 1.78 74.7 HIP 57941 39.74
2025-11-27 11:54:08.12 +12:49:28.3 33.503 1.72 73.0 HIP 57941 39.86
2025-11-28 11:54:10.83 +12:49:40.3 33.490 1.67 71.3 HIP 57941 39.98
2025-11-29 11:54:13.43 +12:49:53.2 33.478 1.62 69.4 HIP 57941 40.08
2025-11-30 11:54:15.92 +12:50:06.9 33.466 1.57 67.3 HIP 57941 40.17
2025-12-01 11:54:18.30 +12:50:21.5 33.453 1.53 65.2 HIP 57941 40.24
2025-12-02 11:54:20.57 +12:50:36.9 33.441 1.48 62.9 HIP 57941 40.30
2025-12-03 11:54:22.74 +12:50:53.1 33.428 1.44 60.5 HIP 57941 40.34
2025-12-04 11:54:24.79 +12:51:10.1 33.415 1.40 57.9 HIP 57941 40.36
2025-12-05 11:54:26.74 +12:51:27.9 33.403 1.36 55.1 HIP 57941 40.37
2025-12-06 11:54:28.57 +12:51:46.6 33.390 1.33 52.2 HIP 57941 40.36
2025-12-07 11:54:30.29 +12:52:06.1 33.377 1.33 52.2 HIP 57941 40.32