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117P/Helin-Roman-Alu

Orbital period : 8.25 years

NASA/JPL elements
IAU/MPC elements


On 2016 Sep 27 07h35 UT by Jean-Gabriel Bosch


(Copyright Jean-Gabriel Bosch)

Nuclear magnitude (m2)17.8
m2 standard deviation0.1
Aperture radius used for m26.2 "
r (dist/Sun) 4.635 AU
d (dist/Earth) 4.072 AU
Right ascension04 15 08.62 h m s
Declination+20 30 20.8 ° ' "
MPC report
COD W96
CON Jean Gabriel Bosch [jean-gabriel.Bosch@unige.ch] 
OBS A. Maury, J.-B. de Vanssay, J.-G.Bosch
MEA J.-G.Bosch
TEL 0.4-m f/5.4 Ritchey-Chretien + CCD
ACK MPCReport file updated 2016.09.27 06:44:35
AC2 [jean-gabriel.Bosch@unige.ch]
NET UCAC-4
0117P         C2016 09 27.31575 04 15 08.62 +20 30 20.8          17.9 N      W96
0117P         C2016 09 27.35665 04 15 08.25 +20 30 21.8          17.7 N      W96
Instrument typeRitchey-Chretien
Instrument aperture (0=naked eye)400 mm
Instrument focale length2160 mm
Instrument focale/diameter5.4
Filter(s)None
CameraQHY
SensorCCD
Binning3x3
MountVMA 200
AutoguideYes
Exposure details40x1mn
Air mass1.2
Observatory MPC codeW96
LocationSan Pedro Atacama Chili
Reference stars catalogUCAC-4
Used softwaresASTROMETRICA
Resulting picture sampling (scale)1.56 "/pix
Observation submission date2016 Sep 27 11h48m51s
Observation modification date2016 Sep 27 12h10m04s

(Record n° 16171)

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