alcyone software


Alcyone Ephemeris Small Body Data Files

Home Contact Imprint

Comet C/2004 F4 Bradfield


Named after William A. Bradfield (Australia) who discovered the comet on March 23, 2004.

This file is not available for download, but provided by the Alcyone Ephemeris Small Body Data File DVD.


Osculating Orbital Elements
Epoch2453157,5
Semi major axis238,3558 AU
Period [Julian yrs]3679,991 Julian years
Inclination63,165 °
Eccentricity0,9993
Lon. of ascending node222,778 °
Argument of perihelion332,786 °
Passage of perihelion2004-Apr-17.089956
Aphelion distance476,5433 AU
Mean anomaly0,012 °

Physical Data
Total magnitude (M1)8,5
Total magnitude slope (k1)9

Discovery Circumstances
DiscovererWilliam A. Bradfield
Discovered2004-03-23

Data File
Data File NameC_2004_F4_Bradfield.aed
Data File Date2006-07-19
Data File Size288 kB
Covered Period2004,00 - 2005,00