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C/2020 R4 (ATLAS)

Orbital period : 974.10 years

NASA/JPL elements
IAU/MPC elements


On 2021 Mar 31 04h01 UT by Francois Kugel


(Copyright Francois Kugel)

Nuclear magnitude (m2)12.9
m2 standard deviation0.5
Aperture radius used for m229 "
Coma diameter3 '
r (dist/Sun) 1.138 AU
d (dist/Earth) 0.947 AU
Right ascension19 51 53.14 h m s
Declination-01 51 54.3 ° ' "
MPC report
COD A77
CON FRANCOIS KUGEL [fkugel@free.fr]
OBS F. Kugel
MEA F. Kugel
TEL 0.076-m f/2.5 Camera lens + CCD
ACK A77 file updated 2021.03.31 08:22:28
AC2 fkugel@free.fr
NET USNO-SA2.0
    CK20R040  C2021 03 31.16704 19 51 53.14 -01 51 54.3          13.4 V      A77
    CK20R040  C2021 03 31.17092 19 51 52.53 -01 51 47.5          13.0 V      A77
    CK20R040  C2021 03 31.17530 19 51 51.66 -01 51 36.7          12.3 V      A77
Instrumental configurationConfig5
Instrument aperture (0=naked eye)76 mm
Instrument focale length190 mm
Instrument focale/diameter2.5
Filter(s)None
CameraST8300
SensorCCD
Sensor temperature-20 °C
Binning1x1
MountMeade-MCMT
Exposure details5x30s
Observatory MPC codeA77
Reference stars catalogUSNO-SA2.0
Resulting picture sampling (scale)5.8 "/pix
Observation submission date2021 Mar 31 08h36m04s
Observation modification date2021 Mar 31 09h15m21s

(Record n° 23140)

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