117P/Helin-Roman-Alu (Record n° 23339)
Orbital period : 8.25 years
NASA/JPL elements
IAU/MPC elements
On 2021 May 05 20h47 UT by Francois Kugel
(Copyright Francois Kugel)Nuclear magnitude (m2) 15.9 m2 standard deviation 0.0 Aperture radius used for m2 5.8 " Tail length 0.5 ° r (dist/Sun) 3.633 AU d (dist/Earth) 2.720 AU Right ascension 13 08 15.30 h m s Declination +00 01 46.4 ° ' " MPC report COD A77
CON FRANCOIS KUGEL [fkugel@free.fr]
OBS F. Kugel
MEA F. Kugel
TEL 0.4-m f/2.8 reflector + CCD
ACK A77 file updated 2021.05.06 07:58:02
AC2 fkugel@free.fr
NET NOMAD
0117P C2021 05 05.86594 13 08 15.30 +00 01 46.4 15.9 V A77
0117P C2021 05 05.87174 13 08 15.15 +00 01 46.4 15.9 V A77
0117P C2021 05 05.87868 13 08 14.91 +00 01 46.7 15.9 V A77
Instrumental configuration Config2 Instrument type Newton Instrument aperture (0=naked eye) 400 mm Instrument focale length 1120 mm Instrument focale/diameter 2.8 Filter(s) None Camera Atik460ex Sensor CCD Sensor temperature -20 °C Binning 1x1 Mount Meade-MCMT-TDM Exposure details 12x90s Seeing 3 Observatory MPC code A77 Reference stars catalog NOMAD
Image resize factor 0.36 Resulting picture sampling (scale) 0.83 "/pix Observation submission date 2021 May 06 08h00m28s Observation modification date 2021 May 06 08h04m04s