161P/Hartley-IRAS (Record n° 31886)
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 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 Picture 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