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117P/Helin-Roman-Alu

Orbital period : 8.25 years

NASA/JPL elements
IAU/MPC elements


On 2014 May 09 05h24 UT by Thierry Noel


(Copyright Thierry Noel)

Coma Total magnitude (m1)14.7
Aperture radius used for m10.7 '
Nuclear magnitude (m2)15.8
m2 standard deviation0.1
Aperture radius used for m25.6 "
r (dist/Sun) 3.064 AU
d (dist/Earth) 2.742 AU
Right ascension20 55 40.62 h m s
Declination-25 15 57.0 ° ' "
MPC report
COD W96
CON ALAIN MAURY [amaury@spaceobs.com]
OBS A. Maury, T. Noel
MEA T. Noel
TEL 0.4-m f/8 Ritchey-Chretien + CCD
ACK MPCReport file updated 2014.05.09 12:41:47
AC2 thierrynoel1@laposte.net
NET UCAC-4
0117P         C2014 05 09.22479 20 55 40.62 -25 15 57.0          15.8 N      W96
0117P         C2014 05 09.23892 20 55 41.29 -25 15 57.3          15.9 N      W96
0117P         C2014 05 09.25305 20 55 41.92 -25 15 58.1          15.8 N      W96
Instrument typeRitchey-Chretien
Instrument aperture (0=naked eye)400 mm
Instrument focale length3200 mm
Instrument focale/diameter8
CameraQHY9
SensorCCD
Sensor temperature-30 °C
Binning4x4
MountParamount
Exposure details24x2mn
Observatory MPC codeW96
LocationSan Pedro de Atacama, Chile
Reference stars catalogUCAC-4
Used softwaresASTROMETRICA
Resulting picture sampling (scale)1.38 "/pix
Observation submission date2014 May 09 12h59m45s
Observation modification date2014 May 21 21h22m36s

(Record n° 11769)

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