78P/Gehrels (Record n° 3749)
Perihelion distance : 2 AU
Inclination to ecliptic : 6 °
Orbital period : 7.21 years
Eccentricity : 0.46
NASA/JPL elements
IAU/MPC elements
On 2011 Jul 04 01h05 UT by Jean-Francois Soulier
(Copyright Jean-Francois Soulier)Magnitude (MPC m2) 15.9 Magnitude standard deviation 0.1 Aperture radius for m2 8 " Tail length 0.02 ° r (dist/Sun) 2.517 AU d (dist/Earth) 2.077 AU Right ascension 355.60733 ° Declination +4.94658 ° 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 2011.07.04
AC2 jean-francois.soulier2@wanadoo.fr
NET USNO-B1.0
0078P C2011 07 04.04545 23 42 25.76 +04 56 47.7 15.8 N C10
0078P C2011 07 04.05433 23 42 26.18 +04 56 51.2 15.8 N C10
0078P C2011 07 04.06493 23 42 26.72 +04 56 55.3 16.0 N C10
0078P C2011 07 04.07088 23 42 27.01 +04 56 57.6 15.9 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 Exposure total time 2160 s Picture exposure details 18 X 120s Seeing 3 Moon elongation 138 ° Air mass 2.19 Observatory MPC code C10 Location 77 Reference stars catalog (ast) USNO-B1.0
Resulting picture sampling (scale) 2.04 "/pix Image processing PRISMV8 APE DDP Observation submission date 2011 Jul 04 05h43m22s Observation modification date 2011 Jul 04 06h00m13s