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57P/duToit-Neujmin-Delporte

Orbital period : 6.40 years

NASA/JPL elements
IAU/MPC elements


On 2021 Nov 12 17h22 UT by Francois Kugel


(Copyright Francois Kugel)

Coma Total magnitude (m1)11.1
Aperture radius used for m10.4 '
Nuclear magnitude (m2)14.2
m2 standard deviation0.0
Aperture radius used for m25.8 "
Afrho1592 cm
Afrho error32 cm
r (dist/Sun) 1.736 AU
d (dist/Earth) 2.026 AU
Right ascension19 20 46.92 h m s
Declination-20 14 09.5 ° ' "
MPC report
COD A77
CON FRANCOIS KUGEL [fkugel@free.fr]
OBS F. Kugel
MEA F. Kugel
TEL 0.4-m f/2.8 reflector + CCD
ACK A77 file updated 2021.11.12 19:08:49
AC2 fkugel@free.fr
NET USNO-B1.0
0057P         C2021 11 12.72356 19 20 46.92 -20 14 09.5          14.2 I      A77
0057P         C2021 11 12.72843 19 20 47.76 -20 14 08.7          14.2 I      A77
0057P         C2021 11 12.73329 19 20 48.56 -20 14 07.6          11.1 T      A77
Instrumental configurationConfig2
Instrument typeNewton
Instrument aperture (0=naked eye)400 mm
Instrument focale length1120 mm
Instrument focale/diameter2.8
Filter(s)IR pro
CameraAtik460ex
SensorCCD
Sensor temperature-15 °C
Binning1x1
MountMeade-MCMT-TDM
Exposure details8x60s
Observatory MPC codeA77
Reference stars catalogUSNO-B1.0
Resulting picture sampling (scale)0.83 "/pix
Remarks or commentsAfrho (10000km)
Observation submission date2021 Nov 12 19h17m13s
Observation modification date2021 Nov 12 19h49m43s

(Record n° 24356)

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