161P/Hartley-IRAS (Record n° 31791)
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 25 02h57 UT by Francois Kugel
(Copyright Francois Kugel)Magnitude (MPC m2) 16.9 Magnitude standard deviation 0.1 Aperture radius for m2 5.95 " Magnitude band V r (dist/Sun) 1.787 AU d (dist/Earth) 1.175 AU Right ascension 46.422 ° Declination -17.48681 ° MPC report COD A77
CON F. Kugel
OBS F.Kugel
MEA F. Kugel
TEL 0.40-m f/2.8 reflector + CMO
NUM 6
ACK MPCReport file updated 2026.08.25 06:39:38
NET UCAC4
AC2 fkugel@free.fr
0161P KB2026 08 25.12303 03 05 41.28 -18 30 47.5 16.9 V A77
0161P KB2026 08 25.13083 03 05 40.54 -18 30 46.9 17.0 V A77
0161P KB2026 08 25.13859 03 05 39.77 -18 30 45.5 16.9 V A77
Instrumental configuration Config2 Instrument type Newton Instrument aperture (0=naked eye) 400 mm Instrument focale length 1120 mm Instrument focale/diameter 2.8 Filter None Camera IMX492 Sensor CMOS Binning 2x2 Exposure details 60x30s Observatory MPC code A77 Reference stars catalog (ast) UCAC4
Reference stars catalog (phot) UCAC4 Resulting picture sampling (scale) 0.85 "/pix Observation submission date 2026 Aug 25 06h40m53s Observation modification date 2026 Sep 04 21h21m23s