C/2020 R4 (ATLAS) (Record n° 23380)
Orbital period : 974.10 years
NASA/JPL elements
IAU/MPC elements
On 2021 May 19 20h16 UT by Jean-Gabriel Bosch
(Copyright Jean-Gabriel Bosch)Nuclear magnitude (m2) 16.5 m2 standard deviation 0.1 Aperture radius used for m2 5.8 " r (dist/Sun) 1.621 AU d (dist/Earth) 1.049 AU Right ascension 11 27 57.39 h m s Declination +25 28 55.7 ° ' " MPC report COD A77
CON J.-G. Bosch [JGBosch@free.fr]
OBS J.-G.Bosch
MEA J.-G. Bosch
TEL 0.4-m f/2.8 reflector + CCD
ACK MPCReport file updated 2021.05.20 11:17:59
AC2 JGBosch@free.fr
NET UCAC-4
CK20R040 C2021 05 19.84467 11 27 57.39 +25 28 55.7 16.6 R A77
CK20R040 C2021 05 19.85115 11 27 56.25 +25 28 46.8 16.3 R A77
CK20R040 C2021 05 19.85859 11 27 54.88 +25 28 36.9 16.5 R A77
Instrument NEWTON Instrument type Newton Instrument aperture (0=naked eye) 400 mm Instrument focale length 1120 mm Instrument focale/diameter 2.8 Camera Atik 460ex Sensor CCD Mount Meade-MCMT-TDM Exposure details 4x1mn Observatory MPC code A77 Location Obs. Dauban A77 Reference stars catalog UCAC-4
Used softwares ASTROMETRICA Resulting picture sampling (scale) 0.83 "/pix Observation submission date 2021 May 20 11h20m04s Observation modification date 2021 May 20 12h54m20s