171P/Spahr (Record n° 20108)
Orbital period : 6.70 years
NASA/JPL elements
IAU/MPC elements
On 2018 Dec 03 07h24 UT by Jean-Gabriel Bosch
(Copyright Jean-Gabriel Bosch)Nuclear magnitude (m2) 16.7 m2 standard deviation 0.1 Aperture radius used for m2 6.7 " r (dist/Sun) 1.813 AU d (dist/Earth) 0.873 AU Right ascension 04 43 39.60 h m s Declination -03 28 34.9 ° ' " MPC report COD W96
CON Jean-Gabriel Bosch [JGBosch@free.fr]
OBS A. Maury, J.-B. de Vanssay, J.-G. Bosch
MEA J.-G.Bosch
TEL 0.4-m f/5 Ritchey-Chretien + CCD
ACK MPCReport file updated 2018.12.03 05:36:48
AC2 JGBosch@free.fr
NET UCAC-4
0171P C2018 12 03.30836 04 43 39.60 -03 28 34.9 16.6 R W96
0171P C2018 12 03.35364 04 43 37.07 -03 27 51.1 16.8 R W96
Instrument type Ritchey-Chretien Instrument aperture (0=naked eye) 400 mm Instrument focale length 2000 mm Instrument focale/diameter 5 Camera APOGEE ALTA Sensor CCD Sensor temperature -25 °C Binning 2x2 Mount VMA200 Autoguide No Exposure details 60X1MN Air mass 2 Observatory MPC code W96 Location San Pedro Atacama Reference stars catalog UCAC-4
Used softwares ASTROMETRICA Resulting picture sampling (scale) 1.12 "/pix Observation submission date 2018 Dec 03 09h45m29s Observation modification date 2018 Dec 03 09h47m39s