161P/Hartley-IRAS (Record n° 31886)
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 Sep 19 01h48 UT by Francois Kugel
(Copyright Francois Kugel)Magnitude (MPC m2) 16.7 Magnitude standard deviation 0.1 Aperture radius for m2 5.95 " Magnitude band V r (dist/Sun) 1.578 AU d (dist/Earth) 0.620 AU Right ascension 21.43388 ° Declination -13.14136 ° MPC report COD A77
CON F. Kugel
OBS F.Kugel
MEA F. Kugel
TEL 0.40-m f/2.8 reflector + CMO
NUM 29
AC2 fkugel@free.fr
ACK MPCReport file updated 2026.09.19 08:33:44
NET ATLAS2
0161P KB2026 09 19.07496 01 25 44.13 -14 51 31.1 16.8 V A77
0161P KB2026 09 19.08128 01 25 41.12 -14 51 21.7 16.7 V A77
0161P KB2026 09 19.08742 01 25 38.20 -14 51 12.6 16.7 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 Sensor CMOS Binning 2x2 Exposure details 33x30s Observatory MPC code A77 Reference stars catalog (ast) ATLAS2 Reference stars catalog (phot) ATLAS2 Resulting picture sampling (scale) 0.85 "/pix Observation submission date 2026 Sep 19 07h31m58s Observation modification date 2026 Sep 19 07h38m06s