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57P/duToit-Neujmin-Delporte

Orbital period : 6.40 years

NASA/JPL elements
IAU/MPC elements


On 2021 Oct 22 17h44 UT by Francois Kugel


(Copyright Francois Kugel)

Coma Total magnitude (m1)12
Aperture radius used for m10.4 '
Nuclear magnitude (m2)15.1
m2 standard deviation0.1
Aperture radius used for m25.8 "
r (dist/Sun) 1.721 AU
d (dist/Earth) 1.864 AU
Right ascension18 21 35.54 h m s
Declination-21 01 50.3 ° ' "
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 2021.10.23 08:14:44
AC2 fkugel@free.fr
NET NOMAD
0057P         C2021 10 22.73891 18 21 35.54 -21 01 50.3          12.0 T      A77
0057P         C2021 10 22.74783 18 21 36.95 -21 01 50.5          15.2 V      A77
0057P         C2021 10 22.75512 18 21 38.15 -21 01 50.2          15.0 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-20 °C
Binning1x1
MountMeade-MCMT-TDM
Exposure details7x60s
Observatory MPC codeA77
Reference stars catalogNOMAD
Resulting picture sampling (scale)0.83 "/pix
Observation submission date2021 Oct 23 08h19m15s
Observation modification date2021 Oct 23 09h37m02s

(Record n° 24223)

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