117P/Helin-Roman-Alu (Record n° 27608)
Orbital period : 8.25 years
NASA/JPL elements
IAU/MPC elements
On 2023 Sep 21 03h09 UT by Jean-Paul Desgrees
(Copyright Jean-Paul Desgrees)Nuclear magnitude (m2) 16.5 m2 standard deviation 0.0 Aperture radius used for m2 5.6 " r (dist/Sun) 3.658 AU d (dist/Earth) 2.669 AU Right ascension 00 31 19.92 h m s Declination -07 29 43.0 ° ' " MPC report COD X03
CON J. P. Desgrees [jpaul-astro28@sfr.fr]
OBS J. P. Desgrees
MEA J. P. Desgrees
TEL 0.35-m f/4.8 Newtorian reflector + CCD
ACK MPCReport file updated 2023.09.21 15:47:41
AC2 jpaul-astro28@sfr.fr
NET UCAC-4
0117P C2023 09 21.13097 00 31 19.92 -07 29 43.0 16.5 V X03
0117P C2023 09 21.13252 00 31 19.84 -07 29 43.3 16.5 V X03
0117P C2023 09 21.13406 00 31 19.79 -07 29 43.6 16.5 V X03
Instrumental configuration Config2 Instrument ONTC 355 Instrument type Newton Instrument aperture (0=naked eye) 350 mm Instrument focale length 1680 mm Instrument focale/diameter 4.8 Filter(s) L Camera MORAVIAN G3 KAF 16200 Sensor CCD Sensor size 27x21.8 mm2 Sensor pixels number 4500x3600 Sensor temperature -20 °C Binning 2x2 Mount SW EQ8 Motorization No Autoguide Yes Exposure total time 120 s Exposure details 3x2mn Observatory MPC code X03 Location Poroto Chili Reference stars catalog UCAC-4
Used softwares ASTROMETRICA Resulting picture sampling (scale) 1.4 "/pix Observation submission date 2023 Sep 21 13h56m04s Observation modification date 2023 Sep 21 13h59m08s