171P/Spahr (Record n° 20044)
Orbital period : 6.70 years
NASA/JPL elements
IAU/MPC elements
On 2018 Nov 19 08h01 UT by Jean-Gabriel Bosch
(Copyright Jean-Gabriel Bosch)Nuclear magnitude (m2) 17.3 m2 standard deviation 0.2 Aperture radius used for m2 6.7 " r (dist/Sun) 1.843 AU d (dist/Earth) 0.930 AU Right ascension 04 54 43.73 h m s Declination -06 21 33.0 ° ' " 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 2018.11.19 05:52:29
AC2 JGBosch@free.fr
NET UCAC-4
0171P C2018 11 19.33433 04 54 43.73 -06 21 33.0 17.1 N W96
0171P KC2018 11 19.36298 04 54 42.52 -06 21 18.2 17.5 N 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 45x1mn Air mass 1.6 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 Nov 19 09h58m27s Observation modification date 2018 Nov 19 10h07m16s