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19P/Borrelly

Orbital period : 6.85 years

NASA/JPL elements
IAU/MPC elements


On 2021 Oct 25 05h25 UT by Jean-Louis Virlichie


(Copyright Jean-Louis Virlichie)

Coma Total magnitude (m1)13.6
Aperture radius used for m10.5 '
Nuclear magnitude (m2)14.9
m2 standard deviation0.3
Aperture radius used for m25.6 "
Afrho150 cm
Afrho error4 cm
r (dist/Sun) 1.738 AU
d (dist/Earth) 1.200 AU
Right ascension23 05 04.34 h m s
Declination-54 15 32.7 ° ' "
MPC report
COD X03
CON Jean-Louis Virlichie [jl.virlichie@gmail.com]
OBS J. L. Virlichie, P. Traverse
MEA J. L. Virlichie
TEL 0.35-m f/4.7 Newtonian reflector + CCD
ACK MPCReport file updated 2021.10.25 19:16:22
AC2 jl.virlichie@gmail.com
NET Gaia DR2
0019P         C2021 10 25.22576 23 05 04.34 -54 15 32.7          14.9 G      X03
0019P         C2021 10 25.22931 23 05 04.26 -54 15 28.8          14.9 G      X03
0019P         C2021 10 25.23406 23 05 04.15 -54 15 23.4          14.8 G      X03
0019P         C2021 10 25.23882 23 05 04.04 -54 15 17.9          15.2 G      X03
0019P        KC2021 10 25.24297 23 05 04.00 -54 15 12.7          15.5 G      X03
0019P         C2021 10 25.24355 23 05 03.92 -54 15 12.9          14.7 G      X03
0019P         C2021 10 25.24831 23 05 03.84 -54 15 07.5          14.8 G      X03
0019P         C2021 10 25.25426 23 05 03.69 -54 15 00.9          14.6 G      X03
0019P         C2021 10 25.25900 23 05 03.60 -54 14 55.5          14.7 G      X03
0019P         C2021 10 25.26374 23 05 03.48 -54 14 50.0          13.6 T      X03
Instrumental configurationConfig1
InstrumentONTC 355
Instrument typeNewton
Instrument aperture (0=naked eye)350 mm
Instrument focale length1645 mm
Instrument focale/diameter4.7
Filter(s)L
CameraMoravian G3 KAF 16200
SensorCCD
Sensor size27x21.6 mm2
Sensor pixels number4500x3600
Sensor temperature-20 °C
Binning2x2
MountSW EQ8
MotorizationYes
AutoguideYes
Exposure details30x2mn
Observatory MPC codeX03
LocationPoroto Chili
Reference stars catalogGaia DR2
Used softwaresASTROMETRICA
Resulting picture sampling (scale)1.4 "/pix
Remarks or commentsm1 et Afrho mesuré avec FoCAs
Observation submission date2021 Oct 25 19h26m51s
Observation modification date2021 Oct 25 19h37m00s

(Record n° 24253)

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