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117P/Helin-Roman-Alu

Orbital period : 8.25 years

NASA/JPL elements
IAU/MPC elements


On 2022 Sep 29 23h42 UT by Herve Roy


(Copyright Herve Roy)

Nuclear magnitude (m2)15.7
m2 standard deviation0.1
Aperture radius used for m25.6 "
r (dist/Sun) 3.068 AU
d (dist/Earth) 2.831 AU
Right ascension18 45 09.31 h m s
Declination-31 12 55.2 ° ' "
MPC report
COD X03
CON H. Roy [roy-nee@wanadoo.fr]
OBS J. L. Virlichie, P. Traverse, H. Roy
MEA H. Roy
TEL 0.35-m f/4.7 Newtonian reflector + CCD
ACK MPCReport file updated 2022.10.02 20:24:06
AC2 roy-nee@wanadoo.fr
NET Gaia DR2
0117P         C2022 09 29.98745 18 45 09.31 -31 12 55.2          15.6 G      X03
0117P         C2022 09 29.99972 18 45 09.93 -31 12 53.5          15.7 G      X03
0117P        KC2022 09 30.00432 18 45 10.18 -31 12 53.2          15.8 G      X03
0117P         C2022 09 30.06148 18 45 13.25 -31 12 44.8          15.8 G      X03
Instrumental configurationConfig1
InstrumentONTC 350mm
Instrument typeNewton
Instrument aperture (0=naked eye)350 mm
Instrument focale length1645 mm
Instrument focale/diameter4.7
Filter(s)L
CameraMORAVIAN G3 16200
SensorCCD
Sensor pixels number3640x4540
Sensor temperature-20 °C
Binning2x2
MountSW EQ8
MotorizationNo
AutoguideYes
Exposure details25x2mn
Observatory MPC codeX03
LocationMonte Patria Chili
Reference stars catalogGaia DR2
Used softwaresAstrometrica
Resulting picture sampling (scale)1.39 "/pix
Observation submission date2022 Oct 04 22h27m08s
Observation modification date2022 Oct 04 22h43m16s

(Record n° 26065)

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