57P/duToit-Neujmin-Delporte (Record n° 24326)
Orbital period : 6.40 years
NASA/JPL elements
IAU/MPC elements
On 2021 Nov 08 17h20 UT by Francois Kugel
(Copyright Francois Kugel)Coma Total magnitude (m1) 10.8 Aperture radius used for m1 0.4 ' Nuclear magnitude (m2) 14.1 m2 standard deviation 0.2 Aperture radius used for m2 5.8 " Afrho 1943 cm Afrho error 20 cm r (dist/Sun) 1.732 AU d (dist/Earth) 1.994 AU Right ascension 19 09 24.62 h m s Declination -20 29 54.4 ° ' " 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 2021.11.08 22:32:54
AC2 fkugel@free.fr
NET USNO-B1.0
0057P KC2021 11 08.72199 19 09 24.62 -20 29 54.4 13.9 I A77
0057P KC2021 11 08.72766 19 09 25.63 -20 29 53.0 14.2 I A77
0057P KC2021 11 08.73512 19 09 26.97 -20 29 51.7 10.8 T A77
Instrumental configuration Config2 Instrument type Newton Instrument aperture (0=naked eye) 400 mm Instrument focale length 1120 mm Instrument focale/diameter 2.8 Filter(s) IR pro Camera Atik460ex Sensor CCD Sensor temperature -20 °C Binning 1x1 Mount Meade-MCMT-TDM Exposure details 3x60s Observatory MPC code A77 Reference stars catalog USNO-B1.0
Resulting picture sampling (scale) 0.83 "/pix Remarks or comments Afrho (10000 km) Observation submission date 2021 Nov 08 22h37m26s Observation modification date 2021 Nov 08 23h15m24s