117P/Helin-Roman-Alu (Record n° 27122)
Orbital period : 8.25 years
NASA/JPL elements
IAU/MPC elements
On 2023 May 30 08h33 UT by Herve Roy
(Copyright Herve Roy)Nuclear magnitude (m2) 17 m2 standard deviation 0.1 Aperture radius used for m2 5.6 " r (dist/Sun) 3.415 AU d (dist/Earth) 3.671 AU Right ascension 00 15 19.05 h m s Declination -06 50 44.8 ° ' " 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 2023.05.30 23:15:31
AC2 roy-nee@wanadoo.fr
NET Gaia DR2
0117P KC2023 05 30.35650 00 15 19.05 -06 50 44.8 17.0 G X03
0117P KC2023 05 30.36648 00 15 19.59 -06 50 41.9 17.0 G X03
0117P KC2023 05 30.36801 00 15 19.68 -06 50 41.8 17.0 G X03
0117P KC2023 05 30.37723 00 15 20.18 -06 50 39.0 17.1 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 20x2mn Observatory MPC code X03 Location Monte Patria Chili Reference stars catalog Gaia DR2
Used softwares ASTROMETRICA Resulting picture sampling (scale) 1.39 "/pix Remarks or comments Lune 71% Observation submission date 2023 May 30 21h39m20s Observation modification date 2023 Jun 01 09h27m30s