117P/Helin-Roman-Alu (Record n° 23412)
Orbital period : 8.25 years
NASA/JPL elements
IAU/MPC elements
On 2021 May 31 21h42 UT by Francois Kugel
(Copyright Francois Kugel)Coma Total magnitude (m1) 15.3 Aperture radius used for m1 0.4 ' Nuclear magnitude (m2) 16 m2 standard deviation 0.0 Aperture radius used for m2 5.8 " r (dist/Sun) 3.576 AU d (dist/Earth) 2.908 AU Right ascension 12 59 09.92 h m s Declination -00 15 54.7 ° ' " 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 2021.06.01 07:41:52
AC2 fkugel@free.fr
NET NOMAD
0117P C2021 05 31.90419 12 59 09.92 -00 15 54.7 16.0 V A77
0117P C2021 05 31.92393 12 59 09.75 -00 15 57.1 16.0 V A77
0117P C2021 05 31.94366 12 59 09.55 -00 16 00.0 15.3 T 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 -15 °C Binning 1x1 Mount Meade-MCMT-TDM Exposure details 9x120s Observatory MPC code A77 Reference stars catalog NOMAD
Image resize factor 0.5 Resulting picture sampling (scale) 0.83 "/pix Observation submission date 2021 Jun 01 07h47m05s Observation modification date 2021 Jun 01 08h35m43s