57P/duToit-Neujmin-Delporte (Record n° 24391)
Orbital period : 6.40 years
NASA/JPL elements
IAU/MPC elements
On 2021 Nov 16 17h16 UT by Francois Kugel
(Copyright Francois Kugel)Coma Total magnitude (m1) 11.9 Aperture radius used for m1 0.2 ' Nuclear magnitude (m2) 14.4 m2 standard deviation 0.1 Aperture radius used for m2 5.8 " Afrho 1167 cm r (dist/Sun) 1.742 AU d (dist/Earth) 2.059 AU Right ascension 19 32 07.74 h m s Declination -19 55 21.8 ° ' " 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 2021.11.17 07:22:01
AC2 fkugel@free.fr
NET USNO-B1.0
0057P C2021 11 16.71946 19 32 07.74 -19 55 21.8 14.3 I A77
0057P C2021 11 16.72594 19 32 08.82 -19 55 19.9 14.5 I A77
0057P C2021 11 16.73324 19 32 10.10 -19 55 18.0 11.9 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 1x60s Observatory MPC code A77 Reference stars catalog USNO-B1.0
Resulting picture sampling (scale) 0.83 "/pix Remarks or comments Afrho 10000km Observation submission date 2021 Nov 17 07h33m16s Observation modification date 2021 Nov 17 15h13m01s