117P/Helin-Roman-Alu (Record n° 23198)
Orbital period : 8.25 years
NASA/JPL elements
IAU/MPC elements
On 2021 Apr 08 21h39 UT by Jean-Gabriel Bosch
(Copyright Jean-Gabriel Bosch)Nuclear magnitude (m2) 15.1 m2 standard deviation 0.1 Aperture radius used for m2 5.8 " r (dist/Sun) 3.692 AU d (dist/Earth) 2.698 AU Right ascension 13 25 26.53 h m s Declination -00 50 07.7 ° ' " 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 2021.04.09 12:20:20
AC2 JGBosch@free.fr
NET UCAC-4
0117P C2021 04 08.90221 13 25 26.53 -00 50 07.7 15.0 R A77
0117P C2021 04 08.90802 13 25 26.33 -00 50 06.7 15.2 R A77
0117P C2021 04 08.91525 13 25 26.04 -00 50 05.8 15.0 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 Binning 1x1 Mount Meade-MCMT-TDM Exposure details 10x120s 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 09 12h23m24s Observation modification date 2021 Apr 09 13h07m31s