221P/LINEAR (Record n° 14057)
Orbital period : 6.42 years
NASA/JPL elements
IAU/MPC elements
On 2015 Jun 24 23h21 UT by Luc ArnoldNuclear magnitude (m2) 16.4 m2 standard deviation 0.1 Aperture radius used for m2 6.25 " r (dist/Sun) 1.766 AU d (dist/Earth) 0.810 AU Right ascension 16 20 39.61 h m s Declination -08 21 48.7 ° ' " MPC report COD K25
CON L. Arnold, OHP 04870 Saint-Michel-l'Observatoire, France [luc.arnold@osupytheas.fr]
OBS L. Arnold
MEA L. Arnold
TEL 0.20-m f/5.5 Newtonian reflector + CCD
COM filter Sloan r' Astrodon Gen-1 filter for C/2014Q2 and C/2015GX, filter clear (CLR) for 221P
COM photometry aperture radius 6.25 arcsec
ACK MPCReport file updated 2015.06.24 23:42:07
AC2 luc.arnold@osupytheas.fr
NET UCAC-4
0221P KC2015 06 24.97296 16 20 39.61 -08 21 48.7 16.4 N K25
0221P KC2015 06 24.97600 16 20 39.66 -08 21 46.5 16.4 N K25
0221P KC2015 06 24.98056 16 20 39.60 -08 21 44.8 16.5 N K25
Instrument type Newton Instrument aperture (0=naked eye) 200 mm Instrument focale length 1100 mm Instrument focale/diameter 5.5 Filter(s) Clear Camera SBIG ST10-XME Sensor CCD Binning 1x1 Observatory MPC code K25 Reference stars catalog UCAC-4
Used softwares ASTROMETRICA URL for more information or pictures http://www.obs-hp.fr/~larnold/v2/LucArnold/Welcome.html Remarks or comments lune 1er quartier. Observation submission date 2015 Jun 25 14h04m28s Observation modification date 2015 Jun 25 14h05m16s