221P/LINEAR (Record n° 13906)
Orbital period : 6.22 years
NASA/JPL elements
IAU/MPC elements
On 2015 May 22 02h42 UT by Jean-Francois Soulier
(Copyright Jean-Francois Soulier)Nuclear magnitude (m2) 16.7 Aperture radius used for m2 6.2 " r (dist/Sun) 1.817 AU d (dist/Earth) 0.812 AU Right ascension 16 29 56.13 h m s Declination -15 24 22.3 ° ' " MPC report COD W96
CON ALAIN MAURY [amaury@spaceobs.com]
OBS A. Maury, J.-F. Soulier
MEA J.-F. Soulier
TEL 0.4-m f/8 Ritchey-Chretien + CCD
ACK MPCReport file updated 2015.05.22
AC2 amaury@spaceobs.com
NET UCAC-4
0221P C2015 05 22.11240 16 29 56.13 -15 24 22.3 16.7 N W96
0221P C2015 05 22.13462 16 29 55.60 -15 24 03.0 16.7 N W96
0221P C2015 05 22.16468 16 29 54.90 -15 23 37.0 16.7 N W96
Instrument type Ritchey-Chretien Instrument aperture (0=naked eye) 400 mm Instrument focale length 3200 mm Instrument focale/diameter 8 Filter(s) None Camera QHY Sensor CCD Sensor temperature -35 °C Binning 3x3 Mount PARAMOUNT Autoguide Yes Exposure details 40 x 100s Moon elongation 139 ° Air mass 1.21 Observatory MPC code W96 Location San Pedro de Atacama, Chili Reference stars catalog UCAC-4
Used softwares ASTROMETRICA Resulting picture sampling (scale) 1.03 "/pix Observation submission date 2015 May 22 09h02m12s Observation modification date 2015 May 22 09h27m18s