117P/Helin-Roman-Alu (Record n° 13038)
Orbital period : 8.25 years
NASA/JPL elements
IAU/MPC elements
On 2014 Dec 09 17h20 UT by Joel Nicolas
(Copyright Joel Nicolas)Nuclear magnitude (m2) 15.8 m2 standard deviation 0.1 Aperture radius used for m2 5.6 " r (dist/Sun) 3.298 AU d (dist/Earth) 3.670 AU Right ascension 21 27 55.52 h m s Declination -23 08 41.9 ° ' " MPC report COD A77
CON J. NICOLAS [nicolas.joel@wanadoo.fr]
OBS J. Nicolas
MEA J. Nicolas
TEL 0.41-m f/3.3 reflector + CCD
ACK MPCReport file updated 2014.12.10 18:23:03
AC2 nicolas.joel@wanadoo.fr
NET UCAC-4
0117P KC2014 12 09.72190 21 27 55.52 -23 08 41.9 15.8 N A77
0117P KC2014 12 09.72974 21 27 56.00 -23 08 38.3 15.7 N A77
Instrument type Newton Instrument aperture (0=naked eye) 410 mm Instrument focale length 1353 mm Instrument focale/diameter 3.3 Filter(s) None Camera ST8XME Sensor CCD Sensor temperature -25 °C Binning 2x2 Exposure details 13*60s Air mass 2.95 Observatory MPC code A77 Location 04 Dauban Reference stars catalog UCAC-4
Used softwares ASTROMETRICA Resulting picture sampling (scale) 2.8 "/pix Observation submission date 2014 Dec 10 18h25m56s Observation modification date 2014 Dec 10 18h31m44s