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161P/Hartley-IRAS

Perihelion distance : 1.27 AU
Inclination to ecliptic : 96 °
Orbital period : 21.44 years
Eccentricity : 0.84

NASA/JPL elements
IAU/MPC elements


On 2026 Aug 19 04h45 UT by Jean-Gabriel Bosch


(Copyright Jean-Gabriel Bosch)

Magnitude (MPC m2)17.3
Magnitude standard deviation0.5
Aperture radius for m26.4 "
Magnitude bandG
r (dist/Sun) 1.841 AU
d (dist/Earth) 1.326 AU
Right ascension48.30708 °
Declination-18.74828 °
MPC report
COD Y87
CON J.-G. Bosch
OBS J.-G. Bosch
MEA J.-G. Bosch
TEL 0.25-m f/4.75 reflector + CMO
NUM 21
ACK MPCReport file updated 2026.08.19 09:34:58
NET Gaia DR2
AC2 jgbosch@free.fr
0161P        KB2026 08 19.19785 03 13 13.70 -18 44 53.8          16.7 G      Y87
0161P        KB2026 08 19.20209 03 13 13.49 -18 44 54.2          17.8 G      Y87
0161P        KB2026 08 19.20621 03 13 13.09 -18 44 53.3          17.4 G      Y87
Instrument typeNewton
Instrument aperture (0=naked eye)250 mm
Instrument focale length1187.5 mm
Instrument focale/diameter4.75
CameraAsi 294MM
SensorCMOS
Sensor temperature-5 °C
Binning4x4
MountEQ6-R pro
Exposure details53x20s
Observatory MPC codeY87
LocationTrevinca skies-Amalthea
Reference stars catalog (ast)Gaia DR2
Used softwaresTycho Tracker
Image resize factor2
Resulting picture sampling (scale)1.6 "/pix
Observation submission date2026 Aug 19 09h37m56s
Observation modification date2026 Aug 26 10h33m25s

(Record n° 31775)

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