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17P/Holmes

Basic Information of 17P/Holmes

Orbital Elements

Parameter Value
Orbit type P
Perihelion distance (AU) 2.090007
Eccentricity 0.426160
Inclination (deg) 19.005000
Longitude of ascending node (deg) 326.601800
Argument of perihelion (deg) 24.602600
Epoch 2025-11-21T00:00:00.000
Reference MPEC 2025-W75, MPC orbital elements
Period (years) 6.950809

Latest Perihelion

Field Value
Date (UTC) 2028-01-31T18:56:35.520
Period (years) 6.950809

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 13:22:30.83 -23:06:00.9 5.480 33.74 120.7 HIP 65266 8.85
2025-11-22 13:23:21.34 -23:12:53.9 5.469 33.64 120.8 HIP 65269 19.15
2025-11-23 13:24:11.66 -23:19:47.3 5.459 33.53 121.0 HIP 65269 31.88
2025-11-24 13:25:01.80 -23:26:41.0 5.448 33.42 121.1 HIP 65568 25.14
2025-11-25 13:25:51.74 -23:33:35.1 5.437 33.31 121.3 HIP 65568 22.16
2025-11-26 13:26:41.49 -23:40:29.4 5.425 33.19 121.4 HIP 65568 26.62
2025-11-27 13:27:31.02 -23:47:24.1 5.414 33.07 121.6 HIP 65602 30.68
2025-11-28 13:28:20.34 -23:54:19.0 5.402 32.95 121.7 HIP 65602 29.06
2025-11-29 13:29:09.43 -24:01:14.1 5.391 32.82 121.9 HIP 65896 28.83
2025-11-30 13:29:58.30 -24:08:09.3 5.379 32.69 122.0 HIP 65885 18.62
2025-12-01 13:30:46.93 -24:15:04.8 5.367 32.55 122.2 HIP 65885 12.53
2025-12-02 13:31:35.32 -24:22:00.4 5.354 32.41 122.3 HIP 65885 17.50
2025-12-03 13:32:23.46 -24:28:56.2 5.342 32.27 122.5 HIP 65885 28.11
2025-12-04 13:33:11.34 -24:35:52.1 5.329 32.13 122.7 HIP 65885 40.06
2025-12-05 13:33:58.97 -24:42:48.1 5.317 31.98 122.9 HIP 66281 38.49
2025-12-06 13:34:46.32 -24:49:44.2 5.304 31.83 123.0 HIP 66281 28.83
2025-12-07 13:35:33.40 -24:56:40.3 5.291 31.83 123.0 HIP 66281 22.51