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57P/duToit-Neujmin-Delporte

Orbital period : 6.40 years

NASA/JPL elements
IAU/MPC elements


On 2021 Nov 19 17h13 UT by Francois Kugel


(Copyright Francois Kugel)

Coma Total magnitude (m1)11.2
Aperture radius used for m10.4 '
Nuclear magnitude (m2)14.2
m2 standard deviation0.0
Aperture radius used for m25.8 "
Afrho1085 cm
r (dist/Sun) 1.746 AU
d (dist/Earth) 2.084 AU
Right ascension19 40 37.62 h m s
Declination-19 39 16.7 ° ' "
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 2021.11.19 20:13:19
AC2 fkugel@free.fr
NET USNO-B1.0
0057P         C2021 11 19.71719 19 40 37.62 -19 39 16.7          14.2 I      A77
0057P         C2021 11 19.72448 19 40 38.76 -19 39 14.3          14.2 I      A77
0057P         C2021 11 19.73258 19 40 40.14 -19 39 11.1          11.2 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-20 °C
Binning1x1
MountMeade-MCMT-TDM
Exposure details19x60s
Observatory MPC codeA77
Reference stars catalogUSNO-B1.0
Resulting picture sampling (scale)0.83 "/pix
Remarks or commentsAfrho (10000km)
Observation submission date2021 Nov 19 20h17m45s
Observation modification date2021 Nov 21 06h34m34s

(Record n° 24411)

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