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57P/duToit-Neujmin-Delporte

Orbital period : 6.40 years

NASA/JPL elements
IAU/MPC elements


On 2021 Dec 14 17h20 UT by Francois Kugel


(Copyright Francois Kugel)

Coma Total magnitude (m1)12.2
Aperture radius used for m10.4 '
Nuclear magnitude (m2)14.5
m2 standard deviation0.1
Aperture radius used for m25.8 "
r (dist/Sun) 1.800 AU
d (dist/Earth) 2.302 AU
Right ascension20 50 05.43 h m s
Declination-16 24 43.1 ° ' "
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 2021.12.14 22:30:28
AC2 fkugel@free.fr
NET NOMAD
0057P         C2021 12 14.72201 20 50 05.43 -16 24 43.1          14.6 V      A77
0057P         C2021 12 14.72607 20 50 06.08 -16 24 40.8          12.2 T      A77
0057P         C2021 12 14.73012 20 50 06.74 -16 24 38.3          14.4 V      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 details11x60s
Observatory MPC codeA77
Reference stars catalogNOMAD
Resulting picture sampling (scale)0.83 "/pix
Observation submission date2021 Dec 14 22h34m36s
Observation modification date2021 Dec 15 10h32m42s

(Record n° 24602)

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