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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 23 01h49 UT by Patrick Ditz


(Copyright Patrick Ditz)

Nuclear magnitude (m2)16.1
m2 standard deviation0.0
Aperture radius used for m27.5 "
Coma diameter2 '
Tail length0.25 °
Tail position angle (PA)265 °
r (dist/Sun) 1.945 AU
d (dist/Earth) 1.679 AU
Right ascension03 52 06.13 h m s
Declination+23 27 47.5 ° ' "
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/2015 ER61 2017/08/23
AC2 patrick.ditz@wanadoo.fr
NET UCAC-4
    CK15E61R  C2017 08 23.07579 03 52 06.13 +23 27 47.5          16.1 N      K97
    CK15E61R  C2017 08 23.08023 03 52 06.30 +23 27 47.7          16.1 N      K97
    CK15E61R  C2017 08 23.09637 03 52 06.98 +23 27 48.5          16.1 N      K97
    CK15E61R  C2017 08 23.11115 03 52 07.59 +23 27 49.1          16.1 N      K97
    CK15E61R  C2017 08 23.11705 03 52 07.83 +23 27 49.4          16.1 N      K97
Instrumental configurationConfig1
Instrumentperso
Instrument typeNewton
Instrument aperture (0=naked eye)200 mm
Instrument focale length1490 mm
Instrument focale/diameter7.4
Filter(s)L
CameraATIK 460 EX
SensorCCD
Sensor size12.5x10.0 mm2
Sensor pixels number2749x2199
Sensor temperature-14 °C
Binning2x2
MountVMA300 Valmeca
Exposure total time2040 s
Exposure details17x120s
Air mass1.4
Observatory MPC codeK97
Location67130 Freconrupt
Reference stars catalogUCAC-4
Photometry|Astrometry softwarePRISM
Resulting picture sampling (scale)1.26 "/pix
Image processingPRISM
Remarks or commentsLa longueur de la queue doit être supérieure à la valeur indiquée car la queue se prolonge sûrement au delà du champ.
Observation submission date2017 Aug 23 09h01m56s
Observation modification date2017 Aug 23 09h09m37s

(Record n° 18109)

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