Home

117P/Helin-Roman-Alu

Orbital period : 8.25 years

NASA/JPL elements
IAU/MPC elements


On 2016 Dec 04 21h01 UT by Jean-Francois Soulier


(Copyright Jean-Francois Soulier)

Nuclear magnitude (m2)17.8
m2 standard deviation0.1
Aperture radius used for m28.1 "
r (dist/Sun) 4.741 AU
d (dist/Earth) 3.780 AU
Right ascension03 40 08.95 h m s
Declination+19 53 51.8 ° ' "
MPC report
COD C10
CON JEAN-FRANCOIS SOULIER [jean-francois.soulier2@wanadoo.fr]
OBS J.-F. Soulier
MEA J.-F. Soulier
TEL 0.30-m f/3.8 Newtonian reflector + CCD
ACK MPCReport file updated 2016.12.04
AC2 jean-francois.soulier2@wanadoo.fr
NET UCAC-4
0117P         C2016 12 04.87575 03 40 08.95 +19 53 51.8          17.8 N      C10
0117P         C2016 12 04.89905 03 40 08.08 +19 53 50.6          17.9 N      C10
0117P         C2016 12 04.92416 03 40 07.11 +19 53 49.0          17.7 N      C10
Instrument typeNewton
Instrument aperture (0=naked eye)300 mm
Instrument focale length1140 mm
Instrument focale/diameter3.8
Filter(s)None
CameraST8_XME
SensorCCD
Sensor temperature-25 °C
Binning1x1
MountF60a Axis instruments
AutoguideYes
Exposure details30 x 120s
Observatory MPC codeC10
LocationSeine et Marne (77)
Reference stars catalogUCAC-4
Used softwaresASTROMETRICA
Resulting picture sampling (scale)1.62 "/pix
Observation submission date2016 Dec 05 08h26m24s
Observation modification date2016 Dec 05 10h10m30s

(Record n° 16673)

Home