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57P/duToit-Neujmin-Delporte

Orbital period : 6.40 years

NASA/JPL elements
IAU/MPC elements


On 2021 Dec 03 17h20 UT by Francois Kugel


(Copyright Francois Kugel)

Coma Total magnitude (m1)11.5
Aperture radius used for m10.4 '
Nuclear magnitude (m2)15.9
m2 standard deviation0.0
Aperture radius used for m25.8 "
r (dist/Sun) 1.773 AU
d (dist/Earth) 2.204 AU
Right ascension20 19 55.90 h m s
Declination-18 02 47.3 ° ' "
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 2021.12.04 08:01:14
AC2 fkugel@free.fr
NET PPMXL
0057P        KC2021 12 03.72248 20 19 55.90 -18 02 47.3          11.5 T      A77
0057P        KC2021 12 03.72874 20 19 56.96 -18 02 43.2          15.9 V      A77
0057P        KC2021 12 03.73588 20 19 58.09 -18 02 40.0          15.9 V      A77
Instrumental configurationConfig2
Instrument typeNewton
Instrument aperture (0=naked eye)400 mm
Instrument focale length1120 mm
Instrument focale/diameter2.8
Filter(s)None
CameraAtik460ex
SensorCCD
Sensor temperature-25 °C
MountMeade-MCMT-TDM
Exposure details14x60s
Observatory MPC codeA77
Reference stars catalogPPMXL
Resulting picture sampling (scale)0.83 "/pix
Observation submission date2021 Dec 04 08h03m15s
Observation modification date2021 Dec 04 08h06m27s

(Record n° 24499)

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