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117P/Helin-Roman-Alu

Orbital period : 8.25 years

NASA/JPL elements
IAU/MPC elements


On 2023 Sep 21 03h09 UT by Jean-Paul Desgrees


(Copyright Jean-Paul Desgrees)

Nuclear magnitude (m2)16.5
m2 standard deviation0.0
Aperture radius used for m25.6 "
r (dist/Sun) 3.658 AU
d (dist/Earth) 2.669 AU
Right ascension00 31 19.92 h m s
Declination-07 29 43.0 ° ' "
MPC report
COD X03
CON J. P. Desgrees [jpaul-astro28@sfr.fr]
OBS J. P. Desgrees
MEA J. P. Desgrees
TEL 0.35-m f/4.8 Newtorian reflector + CCD
ACK MPCReport file updated 2023.09.21 15:47:41
AC2 jpaul-astro28@sfr.fr
NET UCAC-4
0117P         C2023 09 21.13097 00 31 19.92 -07 29 43.0          16.5 V      X03
0117P         C2023 09 21.13252 00 31 19.84 -07 29 43.3          16.5 V      X03
0117P         C2023 09 21.13406 00 31 19.79 -07 29 43.6          16.5 V      X03
Instrumental configurationConfig2
InstrumentONTC 355
Instrument typeNewton
Instrument aperture (0=naked eye)350 mm
Instrument focale length1680 mm
Instrument focale/diameter4.8
Filter(s)L
CameraMORAVIAN G3 KAF 16200
SensorCCD
Sensor size27x21.8 mm2
Sensor pixels number4500x3600
Sensor temperature-20 °C
Binning2x2
MountSW EQ8
MotorizationNo
AutoguideYes
Exposure total time120 s
Exposure details3x2mn
Observatory MPC codeX03
LocationPoroto Chili
Reference stars catalogUCAC-4
Used softwaresASTROMETRICA
Resulting picture sampling (scale)1.4 "/pix
Observation submission date2023 Sep 21 13h56m04s
Observation modification date2023 Sep 21 13h59m08s

(Record n° 27608)

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