planetarium / comet

Clear skies!

357P/Hill

Basic Information of 357P/Hill

Orbital Elements

Parameter Value
Orbit type P
Perihelion distance (AU) 2.512674
Eccentricity 0.435916
Inclination (deg) 6.313500
Longitude of ascending node (deg) 44.536900
Argument of perihelion (deg) 1.551500
Epoch 2025-11-21T00:00:00.000
Reference MPEC 2025-W75, MPC orbital elements
Period (years) 9.401314

Latest Perihelion

Field Value
Date (UTC) 2027-10-29T19:21:38.880
Period (years) 9.401314

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 18:23:07.83 -27:56:53.4 5.510 32.09 86.6 HIP 90154 14.30
2025-11-22 18:24:05.84 -27:56:07.4 5.516 32.29 86.6 HIP 90154 10.36
2025-11-23 18:25:04.21 -27:55:20.3 5.521 32.49 86.5 HIP 90348 15.43
2025-11-24 18:26:02.93 -27:54:32.3 5.527 32.69 86.5 HIP 90348 6.71
2025-11-25 18:27:02.00 -27:53:43.2 5.532 32.88 86.4 HIP 90348 13.85
2025-11-26 18:28:01.40 -27:52:53.2 5.538 33.07 86.4 HIP 90611 18.67
2025-11-27 18:29:01.14 -27:52:02.1 5.543 33.26 86.3 HIP 90611 7.78
2025-11-28 18:30:01.20 -27:51:09.9 5.547 33.44 86.3 HIP 90611 11.13
2025-11-29 18:31:01.57 -27:50:16.7 5.552 33.61 86.2 HIP 90739 7.05
2025-11-30 18:32:02.24 -27:49:22.3 5.557 33.79 86.1 HIP 90739 17.01
2025-12-01 18:33:03.22 -27:48:26.9 5.561 33.96 86.1 HIP 91075 25.42
2025-12-02 18:34:04.49 -27:47:30.4 5.565 34.12 86.0 HIP 91075 15.39
2025-12-03 18:35:06.05 -27:46:32.7 5.569 34.28 86.0 HIP 91075 14.06
2025-12-04 18:36:07.88 -27:45:33.9 5.572 34.44 85.9 HIP 91268 11.31
2025-12-05 18:37:09.99 -27:44:33.9 5.576 34.60 85.8 HIP 91268 2.66
2025-12-06 18:38:12.37 -27:43:32.7 5.579 34.75 85.8 HIP 91268 16.37
2025-12-07 18:39:15.01 -27:42:30.4 5.582 34.75 85.8 HIP 91460 28.33