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3I/ATLAS

Basic Information of 3I/ATLAS

Orbital Elements

Parameter Value
Orbit type I
Perihelion distance (AU) 1.356435
Eccentricity 6.139295
Inclination (deg) 175.113100
Longitude of ascending node (deg) 322.157100
Argument of perihelion (deg) 128.010300
Epoch 2025-11-21T00:00:00.000
Reference MPEC 2025-VD2, COBS 30 days

Latest Perihelion

Field Value
Date (UTC) 2025-10-29T11:35:39.840

Finding Chart

Sky Tracks

3I/ATLAS · Next 30 Days Steps: 3 days · geocentric

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 12:34:19.65 -02:24:01.0 2.040 117.21 289.1 HIP 61245 20.28
2025-11-22 12:31:22.33 -02:08:39.5 2.027 119.47 289.2 HIP 61018 19.82
2025-11-23 12:28:21.68 -01:52:57.3 2.015 121.80 289.2 HIP 61018 29.66
2025-11-24 12:25:17.59 -01:36:54.0 2.002 124.18 289.3 HIP 60648 31.42
2025-11-25 12:22:10.00 -01:20:29.2 1.990 126.62 289.3 HIP 60402 27.91
2025-11-26 12:18:58.80 -01:03:42.5 1.977 129.11 289.4 HIP 60030 17.12
2025-11-27 12:15:43.93 -00:46:33.7 1.965 131.64 289.4 HIP 59733 12.91
2025-11-28 12:12:25.30 -00:29:02.4 1.953 134.21 289.5 HIP 59476 7.29
2025-11-29 12:09:02.84 -00:11:08.5 1.941 136.82 289.5 HIP 59208 17.68
2025-11-30 12:05:36.50 +00:07:08.1 1.930 139.45 289.5 HIP 58908 24.03
2025-12-01 12:02:06.22 +00:25:47.5 1.919 142.11 289.6 HIP 58700 8.87
2025-12-02 11:58:31.96 +00:44:49.5 1.908 144.78 289.6 HIP 58375 8.74
2025-12-03 11:54:53.68 +01:04:14.0 1.898 147.46 289.6 HIP 58114 6.78
2025-12-04 11:51:11.35 +01:24:00.9 1.888 150.14 289.6 HIP 57757 23.16
2025-12-05 11:47:24.96 +01:44:09.7 1.878 152.81 289.6 HIP 57525 16.63
2025-12-06 11:43:34.51 +02:04:40.0 1.869 155.46 289.6 HIP 57107 24.24
2025-12-07 11:39:39.99 +02:25:31.3 1.860 155.46 289.6 HIP 56859 25.42