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117P/Helin-Roman-Alu

Orbital period : 8.25 years

NASA/JPL elements
IAU/MPC elements


On 2014 Mar 21 08h39 UT by Thierry Noel


(Copyright Thierry Noel)

Nuclear magnitude (m2)15.7
m2 standard deviation0.1
Aperture radius used for m29.6 "
r (dist/Sun) 3.056 AU
d (dist/Earth) 3.372 AU
Right ascension20 00 59.17 h m s
Declination-25 51 21.2 ° ' "
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 2014.03.21 12:16:24
AC2 thierrynoel1@laposte.net
NET UCAC-4
0117P         C2014 03 21.36022 20 00 59.17 -25 51 21.2          15.7 N      W96
0117P         C2014 03 21.36888 20 00 59.89 -25 51 20.4          15.7 N      W96
0117P         C2014 03 21.38530 20 01 01.27 -25 51 19.2          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
AutoguideNo
Exposure total time1140 s
Exposure details19x1mn
Observatory MPC codeW96
LocationSan Pedro de Atacama, Chile
Reference stars catalogUCAC-4
Used softwaresASTROMETRICA
Resulting picture sampling (scale)1.38 "/pix
Image processingAstrometrica (-dark, /flat, add), Iris (grad, levels, ddp, crop)
Observation submission date2014 Mar 21 12h20m08s
Observation modification date2014 Mar 21 14h07m12s

(Record n° 11447)

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