161P/Hartley-IRAS (Record n° 32010)
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 Nov 01 19h00 UT by Jean-Gabriel Bosch
(Copyright Jean-Gabriel Bosch)Magnitude (MPC m2) 14.6 Aperture radius for m2 7.2 " Magnitude band r r (dist/Sun) 1.317 AU d (dist/Earth) 0.924 AU Right ascension 298.21534 ° Declination +13.97463 ° ADES report
# version=2022
# observatory
! mpcCode Y87
# submitter
! name J.-G. Bosch
# observers
! name J.-G. Bosch
# measurers
! name J.-G. Bosch
# telescope
! design reflector
! aperture 0.25
! fRatio 4.75
! detector CMO
# software
! astrometry Tycho 13.6
! photometry Tycho 13.6
permID |provID |trkSub |mode|stn |obsTime |ra |dec |rmsRA|rmsDec|rmsFit|astCat |mag |rmsMag|band|photCat |photAp|logSNR|exp |notes|remarks
161P| | ABC2029| CMO|Y87 |2026-11-01T19:00:20Z |298.21534 |+13.97463 |0.15 |0.11 |0.18 | UCAC4|14.5 |0.07 | Sr| UCAC4| 7.2 |2.02 | 765| K|
161P| | ABC2029| CMO|Y87 |2026-11-01T19:08:55Z |298.21163 |+13.97635 |0.15 |0.12 |0.19 | UCAC4|14.4 |0.05 | Sr| UCAC4| 7.2 |2.01 | 425| K|
161P| | ABC2029| CMO|Y87 |2026-11-01T19:16:09Z |298.20833 |+13.97760 |0.28 |0.15 |0.32 | UCAC4|14.8 |0.05 | Sr| UCAC4| 7.2 |1.77 | 425| K|
Instrument type Newton Instrument aperture (0=naked eye) 250 mm Instrument focale length 1187.5 mm Instrument focale/diameter 4.75 Camera Asi 294MM Sensor CMOS Binning 4x4 Mount EQ6-R pro Picture exposure details 52x42s Observatory MPC code Y87 Location Trevinca skies-Amalthea Reference stars catalog (ast) UCAC4 Reference stars catalog (phot) UCAC4 Used softwares Tycho Tracker Image resize factor 2 Resulting picture sampling (scale) 1.6 "/pix Observation submission date 2026 Nov 03 08h18m07s Observation modification date 2026 Nov 04 09h14m18s