213P/Van Ness (Record n° 4091)
Orbital period : 6.12 years
NASA/JPL elements
IAU/MPC elements
On 2011 Aug 20 20h48 UT by Jean-Francois SoulierNuclear magnitude (m2) 15.2 m2 standard deviation 0.1 Aperture radius used for m2 8 " r (dist/Sun) 2.174 AU d (dist/Earth) 1.215 AU Right ascension 23 10 57.94 h m s Declination +03 55 39.4 ° ' " MPC report COD C10
CON JEAN-FRANCOIS SOULIER [jean-francois.soulier2@wanadoo.fr]
OBS J.F. Soulier
MEA J.F. Soulier
TEL 0.255-m f/3.6 Newtonian reflector + CCD
ACK MPCReport file updated 2011.08.20
AC2 jean-francois.soulier2@wanadoo.fr
NET USNO-B1.0
0213P C2011 08 20.86637 23 10 57.94 +03 55 39.4 15.1 N C10
0213P C2011 08 20.88502 23 10 57.14 +03 55 43.8 15.1 N C10
0213P C2011 08 20.90035 23 10 56.51 +03 55 46.7 15.2 N C10
0213P C2011 08 20.90963 23 10 56.12 +03 55 49.1 15.2 N C10
Instrument type Newton Instrument aperture (0=naked eye) 254 mm Instrument focale length 900 mm Instrument focale/diameter 3.6 Camera ST7-XMEd Sensor CCD Sensor size 6.9 x 4.6 mm2 Sensor pixels number 765 x 510 Sensor temperature -20 °C Binning 1x1 Mount PERL-VIXEN Autoguide Yes Seeing 2 Moon elongation 55 ° Air mass 2.89 Observatory MPC code C10 Location 77 Reference stars catalog USNO-B1.0
Used softwares ASTROMETRICA Observation submission date 2011 Aug 21 09h48m16s Observation modification date 2011 Aug 21 09h50m13s