117P/Helin-Roman-Alu (Record n° 21564)
Orbital period : 8.25 years
NASA/JPL elements
IAU/MPC elements
On 2020 Feb 04 03h43 UT by Pierre Traverse
(Copyright Pierre Traverse)Nuclear magnitude (m2) 18.7 m2 standard deviation 0.1 Aperture radius used for m2 7 " r (dist/Sun) 4.583 AU d (dist/Earth) 3.663 AU Right ascension 10 45 53.50 h m s Declination +19 37 56.9 ° ' " 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/5 Newtonian reflector + CCD
ACK MPCReport file updated 2020.02.04 20:49:28
AC2 pierre.traverse@orange.fr
NET UCAC-4
0117P KC2020 02 04.15496 10 45 53.50 +19 37 56.9 18.5 V X03
0117P KC2020 02 04.17013 10 45 53.05 +19 38 00.7 18.7 V X03
0117P KC2020 02 04.18658 10 45 52.50 +19 38 04.9 18.7 V X03
0117P KC2020 02 04.20429 10 45 51.96 +19 38 09.1 18.7 V X03
0117P KC2020 02 04.22036 10 45 51.44 +19 38 13.2 18.8 V X03
0117P KC2020 02 04.23739 10 45 50.90 +19 38 17.4 18.7 V X03
0117P KC2020 02 04.25437 10 45 50.39 +19 38 21.6 18.9 V X03
Instrumental configuration Config1 Instrument ONTC 355mm Instrument type Newton Instrument aperture (0=naked eye) 350 mm Instrument focale length 1750 mm Instrument focale/diameter 5 Filter(s) L Camera Moravian G3 16200 Sensor CCD Sensor size 27x21.6 mm2 Sensor pixels number 4700x3600 Sensor temperature -20 °C Binning 2x2 Mount SW EQ8 Motorization Yes Autoguide Yes Exposure details 74x2mn Observatory MPC code X03 Reference stars catalog UCAC-4
Used softwares ASTROMETRICA Resulting picture sampling (scale) 1.4 "/pix Remarks or comments écart de position par rapport à la valeur du MPC de ce jour de 39 arcsec (O-C delta RA -36arcsec, DEC 15arcsec). Observation submission date 2020 Feb 04 22h53m10s Observation modification date 2020 Feb 04 22h58m55s