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117P/Helin-Roman-Alu

Orbital period : 8.25 years

NASA/JPL elements
IAU/MPC elements


On 2020 May 18 23h24 UT by Pierre Traverse


(Copyright Pierre Traverse)

Nuclear magnitude (m2)18.5
m2 standard deviation0.2
Aperture radius used for m27 "
r (dist/Sun) 4.393 AU
d (dist/Earth) 4.270 AU
Right ascension10 12 05.29 h m s
Declination+20 27 40.6 ° ' "
MPC report
COD X03
CON P. Traverse [pierre.traverse@orange.fr]
OBS J. L. Virlichie, P. Traverse
MEA P. Traverse
TEL 0.35-m f/4.7 Newtonian reflector + CCD
ACK MPCReport file updated 2020.05.28 21:40:13
AC2 pierre.traverse@orange.fr
NET UCAC-4
0117P         C2020 05 18.97491 10 12 05.29 +20 27 40.6          18.8 V      X03
0117P         C2020 05 18.99449 10 12 05.62 +20 27 36.1          18.2 V      X03
0117P         C2020 05 19.01331 10 12 05.96 +20 27 31.4          18.5 V      X03
Instrumental configurationConfig1
InstrumentONTC 355mm
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 size27.2x21.8 mm2
Sensor pixels number4540x3640
Sensor temperature-20 °C
Binning2x2
MountSW EQ8
MotorizationYes
AutoguideYes
Exposure details17x120s
Observatory MPC codeX03
LocationMonte Patria Chili
Reference stars catalogUCAC-4
Resulting picture sampling (scale)1.4 "/pix
Observation submission date2020 May 28 23h18m18s
Observation modification date2020 May 28 23h24m21s

(Record n° 22051)

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