31P/Schwassmann-Wachmann (Record n° 20560)
Perihelion distance : 3.41 AU
Inclination to ecliptic : 5 °
Orbital period : 8.69 years
Eccentricity : 0.19
NASA/JPL elements
IAU/MPC elements
On 2019 Feb 21 21h13 UT by Jean-Francois SoulierMagnitude (MPC m2) 19.2 Magnitude standard deviation 0.2 r (dist/Sun) 3.469 AU d (dist/Earth) 2.814 AU Right ascension 96.62404 ° Declination +22.88525 ° MPC report COD L27
CON J.-F. Soulier [jean-francois.soulier2@wanadoo.fr]
OBS J.-F. Soulier
MEA J.-F. Soulier
TEL 0.20-m f/4 Newtonian reflector + CCD
ACK L27 2019.02.22 00:16:21
AC2 jean-francois.soulier2@wanadoo.fr
NET UCAC-4
0031P KC2019 02 21.88407 06 26 29.77 +22 53 06.9 19.0 N L27
0031P KC2019 02 21.93555 06 26 29.76 +22 53 09.8 19.4 N L27
0031P KC2019 02 21.94638 06 26 29.73 +22 53 10.6 19.2 N L27
Instrument type Newton Instrument aperture (0=naked eye) 200 mm Instrument focale length 800 mm Instrument focale/diameter 4 Sensor CCD Observatory MPC code L27 Reference stars catalog (ast) UCAC-4
Observation submission date 2019 Feb 22 00h18m08s