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29P/Schwassmann-Wachmann

Date of perihelion passage : 2019-3-14.3329
Perihelion distance : 5.766349 AU
Inclination to ecliptic : 9.3733 °
Orbital period : 14.76 years
Eccentricity : 0.042034

NASA/JPL elements, ephemeris and orbit diagram
IAU/MPC elements and ephemeris


On 2017 Aug 26 21h29 UT by Luc Arnold


(Copyright Luc Arnold)

Nuclear magnitude (m2)14.3
m2 standard deviation0.1
Aperture radius used for m26.25 "
r (dist/Sun) 5.823 AU
d (dist/Earth) 4.844 AU
Right ascension21 15 47.09 h m s
Declination-14 21 48.9 ° ' "
MPC report
COD K25
CON L. Arnold, OHP 04870 Saint-Michel-l'Observatoire, France [luc.arnold@osupytheas.fr]
OBS L. Arnold
MEA L. Arnold
TEL 0.20-m f/5.5 Newtonian reflector + CCD
COM CCD SBIG ST10XME, filter Sloan r' Gen-1 Astrodon
COM Photometry aperture radius 6.25 arcsec (5 pixels, 1.25 arcsec/pix)
COM Images at URL http://www.obs-hp.fr/~larnold/v2/LucArnold/Welcome.html
ACK MPCReport file updated 2017.08.26 22:20:10
AC2 luc.arnold@osupytheas.fr
NET UCAC-4
0029P         C2017 08 26.89515 21 15 47.09 -14 21 48.9          14.3 N      K25
0029P         C2017 08 26.89737 21 15 47.13 -14 21 49.0          14.4 N      K25
0029P         C2017 08 26.89959 21 15 47.04 -14 21 49.1          14.4 N      K25
0029P         C2017 08 26.90180 21 15 46.97 -14 21 49.1          14.3 N      K25
0029P         C2017 08 26.90402 21 15 46.94 -14 21 49.0          14.4 N      K25
0029P         C2017 08 26.90624 21 15 46.85 -14 21 49.2          14.3 N      K25
0029P         C2017 08 26.91753 21 15 46.55 -14 21 50.2          14.3 N      K25
0029P         C2017 08 26.92197 21 15 46.46 -14 21 51.3          14.4 N      K25
0029P         C2017 08 26.92440 21 15 46.30 -14 21 51.3          14.3 N      K25
0029P         C2017 08 26.92663 21 15 46.29 -14 21 51.4          14.3 N      K25
Instrumental configurationConfig1
InstrumentT205 f/D 5.5
Instrument typeNewton
Instrument aperture (0=naked eye)200 mm
Instrument focale length1100 mm
Instrument focale/diameter5.5
Filter(s)r
CameraSBIG ST10XME
SensorCCD
Sensor temperature-15 °C
Binning1x1
Exposure details10x180s
Observatory MPC codeK25
Reference stars catalogUCAC-4
Photometry|Astrometry softwareASTROMETRICA
Resulting picture sampling (scale)1.25 "/pix
URL for more information or pictureshhttp://www.obs-hp.fr/~larnold/v2/LucArnold/29P_2017.html
Remarks or commentsLast outburst reached about mag 14 on 23.8 Aug. (see JF Soulier observations). Fan-shaped coma developped West of the nucleus.
Observation submission date2017 Aug 27 00h45m24s
Observation modification date2017 Aug 27 00h49m12s

(Record n° 18127)

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