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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 Oct 05 20h44 UT by Jean-Francois Soulier


(Copyright Jean-Francois Soulier)

Magnitude (MPC m2)15
Magnitude standard deviation0.1
Aperture radius for m26.75 "
Magnitude bandr
r (dist/Sun) 1.462 AU
d (dist/Earth) 0.510 AU
Right ascension338.16212 °
Declination-0.37175 °
MPC report
COD L27
CON J.-F. Soulier
OBS J.-F. Soulier
MEA J.-F. Soulier
TEL 0.25-m f/3.5 reflector + CCD
NUM 5
ACK MPCReport file updated 2026.10.06 08:52:32
NET ATLAS2
AC2 jean-francois.soulier2@wanadoo.fr
0161P        KC2026 10 05.86362 22 32 38.91 -01 37 41.7          15.0 r      L27
0161P        KC2026 10 05.86778 22 32 36.25 -01 37 26.8          14.9 r      L27
0161P        KC2026 10 05.87195 22 32 33.58 -01 37 11.9          15.0 r      L27
0161P        KC2026 10 05.87612 22 32 30.91 -01 36 57.2          14.9 r      L27
0161P        KC2026 10 05.88030 22 32 28.24 -01 36 42.2          15.0 r      L27
Instrument typeNewton
Instrument aperture (0=naked eye)250 mm
Instrument focale length875 mm
Instrument focale/diameter3.5
FilterNone
CameraATIK 414 EX
SensorCCD
Sensor temperature-10 °C
Binning1x1
MountPARAMOUNT ME
AutoguideNo
Picture exposure details80 x 20s
Observatory MPC codeL27
LocationDauban
Reference stars catalog (ast)ATLAS2
Reference stars catalog (phot)ATLAS2
Used softwaresTycho
Resulting picture sampling (scale)1.5 "/pix
Observation submission date2026 Oct 06 07h04m43s
Observation modification date2026 Oct 06 07h38m25s

(Record n° 31937)

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