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161P/Hartley-IRAS

Perihelion distance : 1.27 AU
Inclination to ecliptic : 96 °
Orbital period : 21.46 years
Eccentricity : 0.84

NASA/JPL elements
IAU/MPC elements


On 2026 Sep 05 08h48 UT by Pierre Traverse


(Copyright Pierre Traverse)

Magnitude (MPC m2)16.7
Magnitude standard deviation0.2
Aperture radius for m26 "
Magnitude bandV
r (dist/Sun) 1.692 AU
d (dist/Earth) 0.908 AU
Right ascension39.78154 °
Declination-16.18781 °
MPC report
COD X03
CON P. Traverse [pierre.traverse@orange.fr]
OBS J. L. Virlichie, P. Traverse, H. Roy
MEA P. Traverse
TEL 0.35-m f/4.7 Newtonian reflector + CCD
ACK MPCReport file updated 2026.09.05 15:31:20
AC2 pierre.traverse@orange.fr
NET UCAC-4
0161P        KC2026 09 05.36701 02 39 07.57 -17 48 43.9          16.5 V      X03
0161P        KC2026 09 05.38486 02 39 03.90 -17 48 38.6          16.5 V      X03
0161P        KC2026 09 05.40074 02 39 00.62 -17 48 33.1          17.0 V      X03
Instrumental configurationConfig1
InstrumentONTC 355mm
Instrument typeNewton
Instrument aperture (0=naked eye)350 mm
Instrument focale length1645 mm
Instrument focale/diameter4.7
FilterL
CameraCMOS Player One IMX571
SensorCCD
Sensor pixels number6252X4176
Sensor temperature-10 °C
Binning2x2
MountSW EQ8
MotorizationNo
AutoguideYes
Picture exposure details31x120s
Observatory MPC codeX03
LocationMonte Patria Chili
Reference stars catalog (ast)UCAC-4
Reference stars catalog (phot)UCAC-4
Used softwaresASTROMETRICA
Resulting picture sampling (scale)0.86 "/pix
Observation submission date2026 Oct 06 09h48m14s
Observation modification date2026 Oct 06 09h52m30s

(Record n° 31939)

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