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C/2015 ER61 (PANSTARRS)

Date of perihelion passage : 2017-5-9.9460
Perihelion distance : 1.042125 AU
Inclination to ecliptic : 6.3490 °
Orbital period : 7551.00 years
Eccentricity : 0.997352

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


On 2017 Aug 29 01h55 UT by Patrick Ditz


(Copyright Patrick Ditz)

Nuclear magnitude (m2)15.8
m2 standard deviation0.1
Aperture radius used for m27.5 "
Coma diameter1.85 '
Tail length0.47 °
Tail position angle (PA)266 °
r (dist/Sun) 2.016 AU
d (dist/Earth) 1.677 AU
Right ascension03 55 42.00 h m s
Declination+23 29 43.2 ° ' "
MPC report
COD K97
CON P. Ditz [patrick.ditz@wanadoo.fr]
OBS P. Ditz
MEA P. Ditz
TEL 0.20-m f/7.4 reflector + CCD
ACK Report C/2015ER61 2017/08/29
AC2 patrick.ditz@wanadoo.fr
NET UCAC-4
    CK15E61R  C2017 08 29.08008 03 55 42.00 +23 29 43.2          15.7 N      K97
    CK15E61R  C2017 08 29.08155 03 55 42.05 +23 29 43.4          16.0 N      K97
    CK15E61R  C2017 08 29.08745 03 55 42.22 +23 29 43.4          15.7 N      K97
    CK15E61R  C2017 08 29.09188 03 55 42.35 +23 29 43.5          15.9 N      K97
Instrumental configurationConfig1
InstrumentT200 F/D 7.4
Instrument typeNewton
Instrument aperture (0=naked eye)200 mm
Instrument focale length1480 mm
Instrument focale/diameter7.4
Filter(s)L
CameraATIK 460 EX
SensorCCD
Sensor size12.5x10.0 mm2
Sensor pixels number2749x2199
Sensor temperature-13 °C
Binning2x2
Exposure total time2040 s
Exposure details17x120s
Air mass1.4
Observatory MPC codeK97
Location67130 Freconrupt
Reference stars catalogUCAC-4
Photometry|Astrometry softwarePRISM
Image resize factor0.728
Resulting picture sampling (scale)1.26 "/pix
Image processingPRISM
Remarks or commentsComète prise en bord de champ pour obtenir toute la longueur de la queue, mais la queue est peut être encore plus longue.
Observation submission date2017 Aug 29 09h54m25s
Observation modification date2017 Aug 29 10h00m50s

(Record n° 18141)

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