280P/Larsen (Record n° 9787)
Orbital period : 9.64 years
NASA/JPL elements
IAU/MPC elements
On 2013 Jul 11 23h16 UT by Thierry NoelNuclear magnitude (m2) 19 m2 standard deviation 0.1 Aperture radius used for m2 4.8 " r (dist/Sun) 2.831 AU d (dist/Earth) 3.057 AU Right ascension 12 02 05.58 h m s Declination +10 28 29.4 ° ' " MPC report COD W96
CON ALAIN MAURY [amaury@spaceobs.com]
OBS A. Maury, T. Noel
MEA T. Noel
TEL 0.4-m f/8 Ritchey-Chretien + CCD
ACK MPCReport file updated 2013.07.12 23:05:01
AC2 thierrynoel1@laposte.net
NET UCAC-4
0280P KC2013 07 11.96966 12 02 05.58 +10 28 29.4 18.9 N W96
0280P KC2013 07 11.98443 12 02 06.53 +10 28 22.1 19.1 N W96
Instrument type Ritchey-Chretien Instrument aperture (0=naked eye) 400 mm Instrument focale length 3200 mm Instrument focale/diameter 8 Camera QHY9 Sensor CCD Sensor temperature -35 °C Binning 2x2 Mount Paramount Autoguide Yes Observatory MPC code W96 Location San Pedro de Atacama, Chile Reference stars catalog UCAC-4
Used softwares ASTROMETRICA Observation submission date 2013 Jul 12 23h47m56s