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221P/LINEAR

Orbital period : 6.42 years

NASA/JPL elements
IAU/MPC elements


On 2015 May 16 07h01 UT by Jean-Gabriel Bosch


(Copyright Jean-Gabriel Bosch)

Nuclear magnitude (m2)17.3
m2 standard deviation0.2
Aperture radius used for m25.6 "
r (dist/Sun) 1.831 AU
d (dist/Earth) 0.836 AU
Right ascension16 31 34.98 h m s
Declination-16 48 05.0 ° ' "
MPC report
COD W96
CON ALAIN MAURY [jean-gabriel.bosch@unige.ch]
OBS A. Maury, J.-G. Bosch
MEA J.-G. Bosch
TEL 0.4-m f/8 Ritchey-Chretien + CCD
ACK MPCReport file updated 2015.05.16 14:51:26
AC2 jean-gabriel.bosch@unige.ch
NET UCAC-4
0221P         C2015 05 16.29249 16 31 34.98 -16 48 05.0          17.1 N      W96
0221P         C2015 05 16.32566 16 31 34.39 -16 47 46.6          17.4 N      W96
Instrument typeRitchey-Chretien
Instrument aperture (0=naked eye)400 mm
Instrument focale length3200 mm
Instrument focale/diameter8
Filter(s)None
CameraQHY9
SensorCCD
Sensor temperature-35 °C
Binning2x2
MountParamount
MotorizationYes
Exposure details25x2mn
Moon phase180 °
Air mass1.08
Observatory MPC codeW96
LocationSan Pedro Atacama
Reference stars catalogUCAC-4
Used softwaresASTROMETRICA
Resulting picture sampling (scale)1.03 "/pix
URL for more information or pictureshttp://transitionsciel.blogspot.fr/
Observation submission date2015 May 16 16h53m55s
Observation modification date2015 May 16 17h23m47s

(Record n° 13865)

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