117P/Helin-Roman-Alu (Record n° 2329)
Orbital period : 8.25 years
NASA/JPL elements
IAU/MPC elements
On 2011 Mar 25 20h35 UT by Francois Kugel
(Copyright Francois Kugel)Nuclear magnitude (m2) 18.2 m2 standard deviation 0.5 Aperture radius used for m2 6 " Tail length 0.5 ° Tail position angle
(PA) 280 ° r (dist/Sun) 4.890 AU d (dist/Earth) 4.340 AU Right ascension 08 28 28.17 h m s Declination +28 46 15.7 ° ' " MPC report COD A77
CON FRANCOIS KUGEL [fkugel@wanadoo.fr]
OBS C. Rinner, F. Kugel
MEA F. Kugel
TEL 0.5-m f/3 reflector + CCD
ACK MPCReport file updated 2011.03.26 09:43:26
AC2 fkugel@wanadoo.fr
NET USNO-SA2.0
0117P KC2011 03 25.85751 08 28 28.17 +28 46 15.7 18.6 N A77
0117P KC2011 03 25.87992 08 28 28.05 +28 46 13.2 17.7 N A77
Instrument type Newton Instrument aperture (0=naked eye) 500 mm Instrument focale length 1500 mm Instrument focale/diameter 3 Sensor CCD Exposure details 2x7 Observatory MPC code A77 Reference stars catalog USNO-SA2.0 Resulting picture sampling (scale) 2.5 "/pix Observation submission date 2011 Mar 26 13h11m23s Observation modification date 2011 Mar 26 15h40m00s