117P/Helin-Roman-Alu (Record n° 23119)
Orbital period : 8.25 years
NASA/JPL elements
IAU/MPC elements
On 2021 Mar 24 22h34 UT by Jean-Gabriel Bosch
(Copyright Jean-Gabriel Bosch)Nuclear magnitude (m2) 15.5 m2 standard deviation 0.3 Aperture radius used for m2 5.8 " r (dist/Sun) 3.726 AU d (dist/Earth) 2.777 AU Right ascension 13 34 47.28 h m s Declination -01 33 51.3 ° ' " 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 2021.03.25 12:14:09
AC2 JGBosch@free.fr
NET UCAC-4
0117P C2021 03 24.94050 13 34 47.28 -01 33 51.3 15.7 R A77
0117P C2021 03 24.96410 13 34 46.45 -01 33 46.8 15.2 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 2x2 Mount Meade-MCMT-TDM Exposure details 12x60s Observatory MPC code A77 Location Obs. Dauban A77 Reference stars catalog UCAC-4
Used softwares ASTROMETRICA Resulting picture sampling (scale) 16.6 "/pix Observation submission date 2021 Mar 25 12h28m08s Observation modification date 2021 Mar 25 12h29m41s