planetarium / comet

Clear skies!

318P/McNaught-Hartley

Basic Information of 318P/McNaught-Hartley

Orbital Elements

Parameter Value
Orbit type P
Perihelion distance (AU) 2.458758
Eccentricity 0.672885
Inclination (deg) 17.873200
Longitude of ascending node (deg) 35.567000
Argument of perihelion (deg) 313.338400
Epoch 2025-11-21T00:00:00.000
Reference MPEC 2025-W75, MPC orbital elements
Period (years) 20.607390

Latest Perihelion

Field Value
Date (UTC) 2036-05-29T17:01:48.706
Period (years) 20.607390

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 11:56:52.30 +14:13:38.3 12.951 6.73 97.6 HIP 58221 6.65
2025-11-22 11:57:03.32 +14:13:17.0 12.936 6.58 97.0 HIP 58221 9.09
2025-11-23 11:57:14.09 +14:12:57.9 12.921 6.42 96.3 HIP 58221 11.59
2025-11-24 11:57:24.63 +14:12:40.8 12.905 6.26 95.7 HIP 58359 13.65
2025-11-25 11:57:34.91 +14:12:26.0 12.889 6.10 95.0 HIP 58359 11.98
2025-11-26 11:57:44.94 +14:12:13.2 12.874 5.94 94.3 HIP 58359 10.69
2025-11-27 11:57:54.72 +14:12:02.6 12.858 5.78 93.5 HIP 58359 9.90
2025-11-28 11:58:04.24 +14:11:54.2 12.842 5.62 92.7 HIP 58359 9.67
2025-11-29 11:58:13.51 +14:11:47.9 12.826 5.46 91.8 HIP 58359 10.00
2025-11-30 11:58:22.51 +14:11:43.8 12.810 5.29 90.9 HIP 58359 10.80
2025-12-01 11:58:31.24 +14:11:41.9 12.794 5.13 89.9 HIP 58359 11.94
2025-12-02 11:58:39.71 +14:11:42.1 12.778 4.97 88.9 HIP 58359 13.30
2025-12-03 11:58:47.91 +14:11:44.4 12.762 4.81 87.7 HIP 58359 14.80
2025-12-04 11:58:55.84 +14:11:49.0 12.745 4.65 86.6 HIP 58359 16.36
2025-12-05 11:59:03.50 +14:11:55.7 12.729 4.49 85.3 HIP 58359 17.96
2025-12-06 11:59:10.88 +14:12:04.5 12.713 4.33 83.9 HIP 58359 19.57
2025-12-07 11:59:17.98 +14:12:15.5 12.696 4.33 83.9 HIP 58359 21.16