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6566 Shafter (1992 UB2)
Classification: Main-belt Asteroid          SPK-ID: 2006566
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .169660846901765 5.1874e-08  
a 2.277021690517891 1.2646e-08 AU
q 1.890700262090937 1.1611e-07 AU
i 3.944304152898475 5.954e-06 deg
node 156.5831816576049 7.4488e-05 deg
peri 205.0834298533528 7.6299e-05 deg
M 177.3267397890825 1.8569e-05 deg
tp 2456382.311520873530
(2013-Mar-30.81152087)
6.2763e-05 JED
period 1255.015756508206
3.44
1.0455e-05
2.862e-08
d
yr
n .2868489882562252 2.3897e-09 deg/d
Q 2.663343118944845 1.4792e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1107  
   data-arc span      13773 days (37.71 yr)  
   first obs. used      1977-03-15  
   last obs. used      2014-11-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51544  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jan-08 00:17:30  

Additional Information
 Earth MOID = .888586 AU 
 T_jup = 3.586 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.9 mag n/a MPO240252  

6566 Shafter           Discovered 1992 Oct. 25 by T. Urata at Oohira.
Allen Shafter (b. 1955) is a professor and chairman of studies in astronomy at San Diego State University. His research is focused on the study of extragalactic novae.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20090409/MPCPages.arcLast Updated: 2009-04-10

Alternate Designations
 1992 UB2 = 1977 EJ4 = 1985 QR5 = 1989 YA6 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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