117P/Helin-Roman-Alu (Record n° 22051)
Orbital period : 8.25 years
NASA/JPL elements
IAU/MPC elements
On 2020 May 18 23h24 UT by Pierre Traverse
(Copyright Pierre Traverse)Nuclear magnitude (m2) 18.5 m2 standard deviation 0.2 Aperture radius used for m2 7 " r (dist/Sun) 4.393 AU d (dist/Earth) 4.270 AU Right ascension 10 12 05.29 h m s Declination +20 27 40.6 ° ' " MPC report COD X03
CON P. Traverse [pierre.traverse@orange.fr]
OBS J. L. Virlichie, P. Traverse
MEA P. Traverse
TEL 0.35-m f/4.7 Newtonian reflector + CCD
ACK MPCReport file updated 2020.05.28 21:40:13
AC2 pierre.traverse@orange.fr
NET UCAC-4
0117P C2020 05 18.97491 10 12 05.29 +20 27 40.6 18.8 V X03
0117P C2020 05 18.99449 10 12 05.62 +20 27 36.1 18.2 V X03
0117P C2020 05 19.01331 10 12 05.96 +20 27 31.4 18.5 V X03
Instrumental configuration Config1 Instrument ONTC 355mm Instrument type Newton Instrument aperture (0=naked eye) 350 mm Instrument focale length 1645 mm Instrument focale/diameter 4.7 Filter(s) L Camera Moravian G3 16200 Sensor CCD Sensor size 27.2x21.8 mm2 Sensor pixels number 4540x3640 Sensor temperature -20 °C Binning 2x2 Mount SW EQ8 Motorization Yes Autoguide Yes Exposure details 17x120s Observatory MPC code X03 Location Monte Patria Chili Reference stars catalog UCAC-4
Resulting picture sampling (scale) 1.4 "/pix Observation submission date 2020 May 28 23h18m18s Observation modification date 2020 May 28 23h24m21s