C/2021 D1 (SWAN) (Record n° 23197)
Orbital period : 962.20 years
NASA/JPL elements
IAU/MPC elements
On 2021 Apr 08 19h12 UT by Jean-Gabriel Bosch
(Copyright Jean-Gabriel Bosch)Nuclear magnitude (m2) 14.2 m2 standard deviation 0.1 Aperture radius used for m2 5.8 " r (dist/Sun) 1.138 AU d (dist/Earth) 1.788 AU Right ascension 02 58 29.83 h m s Declination +32 57 35.1 ° ' " MPC report COD A77
CON J.-G. Bosch [JGBosch@free.fr]
OBS F. Kugel, J.-G.Bosch
MEA J.-G. Bosch
TEL 0.4-m f/2.8 reflector + CCD
ACK MPCReport file updated 2021.04.09 12:20:20
AC2 JGBosch@free.fr
NET UCAC-4
CK21D010 C2021 04 08.80005 02 58 29.83 +32 57 35.1 14.2 R A77
CK21D010 C2021 04 08.80734 02 58 32.33 +32 57 41.6 14.1 R A77
CK21D010 C2021 04 08.81544 02 58 35.10 +32 57 47.0 14.2 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 Binning 1x1 Mount Meade-MCMT-TDM Exposure details 20x1mn 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 Apr 09 12h23m24s Observation modification date 2021 Apr 09 13h02m03s