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117P/Helin-Roman-Alu

Orbital period : 8.25 years

NASA/JPL elements
IAU/MPC elements


On 2021 May 31 21h08 UT by Marc Deldem


(Copyright Marc Deldem)

Nuclear magnitude (m2)16.4
m2 standard deviation0.0
Aperture radius used for m26.75 "
r (dist/Sun) 3.576 AU
d (dist/Earth) 2.908 AU
Right ascension12 59 10.11 h m s
Declination-00 15 51.7 ° ' "
MPC report
COD K22
CON M. Deldem [marc.deldem@free.fr]
OBS M. Deldem
MEA M. Deldem
TEL 0.20-m f/10 Schmidt-Cassegrain + CCD + f/8.1 focal reducer
ACK MPCReport file updated 2021.06.01 13:13:09
AC2 marc.deldem@free.fr
NET UCAC-4
0117P        KC2021 05 31.88038 12 59 10.11 -00 15 51.7          16.4 V      K22
0117P        KC2021 05 31.90428 12 59 09.89 -00 15 54.4          16.4 V      K22
0117P        KC2021 05 31.93116 12 59 09.65 -00 15 58.1          16.4 V      K22
Instrumental configurationConfig1
InstrumentC8
Instrument typeSchmidt-Cassegrain
Instrument aperture (0=naked eye)200 mm
Instrument focale length1650 mm
Instrument focale/diameter8.1
Filter(s)None
CameraSBIG ST8-XME
SensorCCD
Sensor size13.8x9.2 mm2
Sensor pixels number1530x1020
Sensor temperature-15 °C
Binning1x1
MountAvalon M-UNO
MotorizationYes
AutoguideYes
Exposure total time4800 s
Exposure details20x4mn
Air mass1.54
Observatory MPC codeK22
LocationLAMANON
Reference stars catalogUCAC-4
Used softwaresASTROMETRICA
Resulting picture sampling (scale)1.13 "/pix
Observation submission date2021 Jun 01 13h26m14s
Observation modification date2021 Jun 01 13h27m49s

(Record n° 23418)

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