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117P/Helin-Roman-Alu

Orbital period : 8.25 years

NASA/JPL elements
IAU/MPC elements


On 2021 May 19 21h39 UT by Jean-Gabriel Bosch


(Copyright Jean-Gabriel Bosch)

Nuclear magnitude (m2)14.7
m2 standard deviation0.5
Aperture radius used for m25.8 "
r (dist/Sun) 3.602 AU
d (dist/Earth) 2.805 AU
Right ascension13 02 01.43 h m s
Declination+00 01 43.0 ° ' "
MPC report
COD A77
CON J.-G. Bosch [JGBosch@free.fr]
OBS J.-G.Bosch
MEA J.-G. Bosch
TEL 0.4-m f/2.8 reflector + CCD
ACK MPCReport file updated 2021.05.20 11:17:59
AC2 JGBosch@free.fr
NET UCAC-4
0117P         C2021 05 19.90207 13 02 01.43 +00 01 43.0          14.1 R      A77
0117P         C2021 05 19.90776 13 02 01.34 +00 01 41.6          15.1 R      A77
0117P         C2021 05 19.91343 13 02 01.21 +00 01 42.8          15.0 R      A77
InstrumentNEWTON
Instrument typeNewton
Instrument aperture (0=naked eye)400 mm
Instrument focale length1120 mm
Instrument focale/diameter2.8
CameraAtik 460ex
SensorCCD
MountMeade-MCMT-TDM
Exposure details15x60s
Observatory MPC codeA77
LocationObs. Dauban A77
Reference stars catalogUCAC-4
Used softwaresASTROMETRICA
Resulting picture sampling (scale)0.83 "/pix
Observation submission date2021 May 20 11h20m04s
Observation modification date2021 May 20 12h50m53s

(Record n° 23383)

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