117P/Helin-Roman-Alu (Record n° 1885)
Orbital period : 8.25 years
NASA/JPL elements
IAU/MPC elements
On 2011 Feb 08 18h45 UT by Francois Kugel
(Copyright Francois Kugel)Nuclear magnitude (m2) 18.5 m2 standard deviation 0.1 r (dist/Sun) 4.939 AU d (dist/Earth) 3.982 AU Right ascension 08 48 09.99 h m s Declination +28 25 14.5 ° ' " 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 2011.02.08 23:54:34
AC2 fkugel@wanadoo.fr
NET USNO-SA2.0
0117P KC2011 02 08.78146 08 48 09.99 +28 25 14.5 18.5 N A77
0117P KC2011 02 08.79266 08 48 09.58 +28 25 15.9 18.6 N A77
0117P KC2011 02 08.80653 08 48 09.10 +28 25 17.3 18.4 N A77
0117P KC2011 02 08.80653 08 48 09.10 +28 25 17.3 18.4 N A77
0117P KC2011 02 08.81842 08 48 08.59 +28 25 19.4 18.3 N A77
0117P KC2011 02 08.82964 08 48 08.12 +28 25 21.2 18.6 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 25X3 Observatory MPC code A77 Reference stars catalog USNO-SA2.0
Resulting picture sampling (scale) 2.5 "/pix Observation submission date 2011 Feb 09 00h12m48s Observation modification date 2011 Feb 09 00h17m35s