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3I/ATLAS

Perihelion distance : 1.36 AU
Inclination to ecliptic : 175 °
Eccentricity : 6.14

NASA/JPL elements
IAU/MPC elements


On 2025 Nov 17 04h53 UT by Francois Kugel


(Copyright Francois Kugel)

Coma Total magnitude (m1)8.5
Aperture radius for m12.5 '
Magnitude (MPC m2)11.8
Magnitude standard deviation0.0
Aperture radius for m25.95 "
Coma diameter5 '
Afrho4612 cm
Afrho error261 cm
r (dist/Sun) 1.516 AU
d (dist/Earth) 2.084 AU
Right ascension191.23221 °
Declination-3.30817 °
MPC report
COD A77
CON F. Kugel
OBS F. Kugel
MEA F. Kugel
TEL 0.40-m f/2.8 reflector + CMO
NUM 3
ACK MPCReport file updated 2025.11.17 08:21:15
NET APASS
AC2 fkugel@free.fr
0003I        KB2025 11 17.20337 12 44 55.73 -03 18 29.4          11.8 R      A77
0003I        KB2025 11 17.21198 12 44 54.30 -03 18 21.8          11.8 R      A77
0003I        KB2025 11 17.22062 12 44 52.86 -03 18 14.2          11.8 R      A77
Instrumental configurationConfig2
Instrument typeNewton
Instrument aperture (0=naked eye)400 mm
Instrument focale length1120 mm
Instrument focale/diameter2.8
FilterNone
CameraIMX492
SensorCMOS
Binning2x2
MountMeade MCMT-TDM
Exposure details22x30s
Observatory MPC codeA77
Reference stars catalog (ast)APASS
Image resize factor0.33
Resulting picture sampling (scale)0.85 "/pix
Observation submission date2025 Nov 17 08h22m04s
Observation modification date2025 Nov 18 07h49m37s

(Record n° 30381)

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