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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 Dec 13 04h29 UT by Francois Kugel


(Copyright Francois Kugel)

Magnitude (MPC m2)13.2
Magnitude standard deviation0.1
Aperture radius for m25.95 "
r (dist/Sun) 2.111 AU
d (dist/Earth) 1.813 AU
Right ascension168.37471 °
Declination+4.73814 °
MPC report
COD A77
CON F. Kugel
OBS F. Kugel
MEA F. Kugel
TEL 0.40-m f/2.8 reflector + CMO
NUM 27
ACK MPCReport file updated 2025.12.13 08:33:13
NET APASS
AC2 fkugel@free.fr
0003I        KB2025 12 13.18656 11 13 29.93 +04 44 17.3          13.2 R      A77
0003I        KB2025 12 13.18979 11 13 29.06 +04 44 21.9          13.1 R      A77
0003I        KB2025 12 13.19303 11 13 28.17 +04 44 26.3          13.2 R      A77
Instrumental configurationConfig2
Instrument typeNewton
Instrument aperture (0=naked eye)400 mm
Instrument focale length1120 mm
Instrument focale/diameter2.8
FilterNone
SensorCMOS
Binning2x2
Exposure details36x20s
Observatory MPC codeA77
Reference stars catalog (ast)APASS
Resulting picture sampling (scale)0.85 "/pix
Observation submission date2025 Dec 13 08h35m42s
Observation modification date2025 Dec 13 08h49m56s

(Record n° 30618)

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