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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 Nov 01 19h00 UT by Jean-Gabriel Bosch


(Copyright Jean-Gabriel Bosch)

Magnitude (MPC m2)14.6
Aperture radius for m27.2 "
Magnitude bandr
r (dist/Sun) 1.317 AU
d (dist/Earth) 0.924 AU
Right ascension298.21534 °
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 typeNewton
Instrument aperture (0=naked eye)250 mm
Instrument focale length1187.5 mm
Instrument focale/diameter4.75
CameraAsi 294MM
SensorCMOS
Binning4x4
MountEQ6-R pro
Picture exposure details52x42s
Observatory MPC codeY87
LocationTrevinca skies-Amalthea
Reference stars catalog (ast)UCAC4
Reference stars catalog (phot)UCAC4
Used softwaresTycho Tracker
Image resize factor2
Resulting picture sampling (scale)1.6 "/pix
Observation submission date2026 Nov 03 08h18m07s
Observation modification date2026 Nov 04 09h14m18s

(Record n° 32010)

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