117P/Helin-Roman-Alu (Record n° 23457)
Orbital period : 8.25 years
NASA/JPL elements
IAU/MPC elements
On 2021 Jun 06 21h07 UT by Francois Kugel
(Copyright Francois Kugel)Nuclear magnitude (m2) 16.1 m2 standard deviation 0.0 Aperture radius used for m2 5.8 " r (dist/Sun) 3.563 AU d (dist/Earth) 2.967 AU Right ascension 12 58 39.94 h m s Declination -00 30 34.6 ° ' " 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 2021.06.07 08:44:03
AC2 fkugel@free.fr
NET UCAC-4
0117P KC2021 06 06.87958 12 58 39.94 -00 30 34.6 16.1 R A77
0117P KC2021 06 06.88428 12 58 39.92 -00 30 35.4 16.1 R A77
0117P KC2021 06 06.88898 12 58 39.90 -00 30 36.1 16.1 R 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 -10 °C Binning 1x1 Mount Meade-MCMT-TDM Exposure details 4x90s Observatory MPC code A77 Reference stars catalog UCAC-4
Image resize factor 0.5 Resulting picture sampling (scale) 0.83 "/pix Observation submission date 2021 Jun 07 08h50m47s Observation modification date 2021 Jun 07 09h06m55s