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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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1696608485338311 5.1349e-08  
a 2.27702169103401 1.2433e-08 AU
q 1.890700258803241 1.1516e-07 AU
i 3.944303954079508 5.8906e-06 deg
node 156.5831847435479 7.3247e-05 deg
peri 205.0834260357889 7.5015e-05 deg
M 177.3267401201199 1.8503e-05 deg
tp 2456382.311519509301
(2013-Mar-30.81151951)
6.2434e-05 JED
period 1255.015756934907
3.44
1.0279e-05
2.814e-08
d
yr
n .2868489881586976 2.3493e-09 deg/d
Q 2.663343123264779 1.4542e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1119  
   data-arc span      13831 days (37.87 yr)  
   first obs. used      1977-03-15  
   last obs. used      2015-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51343  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Feb-04 13:17:19  

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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