117P/Helin-Roman-Alu (Record n° 23156)
Orbital period : 8.38 years
NASA/JPL elements
IAU/MPC elements
On 2021 Apr 02 21h01 UT by Jean-Gabriel Bosch
(Copyright Jean-Gabriel Bosch)Nuclear magnitude (m2) 14.3 m2 standard deviation 0.1 Aperture radius used for m2 5.8 " r (dist/Sun) 3.706 AU d (dist/Earth) 2.722 AU Right ascension 13 29 23.93 h m s Declination -01 07 25.9 ° ' " MPC report COD A77
CON J.-G. Bosch [JGBosch@free.fr]
OBS F. Kugel, J.-G.Bosch
MEA J.-G. Bosch
TEL 0.4-m f/2.8 reflector + CCD
ACK MPCReport file updated 2021.04.03 13:08:44
AC2 JGBosch@free.fr
NET UCAC-4
0117P C2021 04 02.87597 13 29 23.93 -01 07 25.9 14.3 R A77
0117P C2021 04 02.88500 13 29 23.57 -01 07 24.4 14.2 R A77
0117P C2021 04 02.89555 13 29 23.16 -01 07 22.8 14.5 R A77
Instrument NEWTON Instrument type Newton Instrument aperture (0=naked eye) 400 mm Instrument focale length 1120 mm Instrument focale/diameter 2.8 Camera Atik 460ex Sensor CCD Sensor temperature -20 °C Binning 1x1 Mount Meade-MCMT-TDM Exposure details 15x120s Observatory MPC code A77 Location Obs. Dauban A77 Reference stars catalog UCAC-4
Used softwares ASTROMETRICA Resulting picture sampling (scale) 0.83 "/pix Observation submission date 2021 Apr 03 13h13m41s Observation modification date 2021 Apr 03 13h37m45s