117P/Helin-Roman-Alu (Record n° 26065)
Orbital period : 8.25 years
NASA/JPL elements
IAU/MPC elements
On 2022 Sep 29 23h42 UT by Herve Roy
(Copyright Herve Roy)Nuclear magnitude (m2) 15.7 m2 standard deviation 0.1 Aperture radius used for m2 5.6 " r (dist/Sun) 3.068 AU d (dist/Earth) 2.831 AU Right ascension 18 45 09.31 h m s Declination -31 12 55.2 ° ' " MPC report COD X03
CON H. Roy [roy-nee@wanadoo.fr]
OBS J. L. Virlichie, P. Traverse, H. Roy
MEA H. Roy
TEL 0.35-m f/4.7 Newtonian reflector + CCD
ACK MPCReport file updated 2022.10.02 20:24:06
AC2 roy-nee@wanadoo.fr
NET Gaia DR2
0117P C2022 09 29.98745 18 45 09.31 -31 12 55.2 15.6 G X03
0117P C2022 09 29.99972 18 45 09.93 -31 12 53.5 15.7 G X03
0117P KC2022 09 30.00432 18 45 10.18 -31 12 53.2 15.8 G X03
0117P C2022 09 30.06148 18 45 13.25 -31 12 44.8 15.8 G X03
Instrumental configuration Config1 Instrument ONTC 350mm 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 pixels number 3640x4540 Sensor temperature -20 °C Binning 2x2 Mount SW EQ8 Motorization No Autoguide Yes Exposure details 25x2mn Observatory MPC code X03 Location Monte Patria Chili Reference stars catalog Gaia DR2
Used softwares Astrometrica Resulting picture sampling (scale) 1.39 "/pix Observation submission date 2022 Oct 04 22h27m08s Observation modification date 2022 Oct 04 22h43m16s