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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1698973451852259 4.7937e-08  
a 2.277196399391621 1.1185e-08 au
q 1.890306776669629 1.0891e-07 au
i 3.94451949503663 5.1739e-06 deg
node 156.5835275111957 6.864e-05 deg
peri 205.0038574397161 7.0214e-05 deg
M 349.5396475642128 1.8989e-05 deg
tp 2457636.970605695701
(2016-Sep-05.47060570)
6.6373e-05 JED
period 1255.160199529561
3.44
9.2472e-06
2.532e-08
d
yr
n .2868159778607778 2.1131e-09 deg/d
Q 2.664086022113613 1.3085e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1236  
   data-arc span      14022 days (38.39 yr)  
   first obs. used      1977-03-15  
   last obs. used      2015-08-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5184  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Sep-02 14:19:33  

Additional Information
 Earth MOID = .886944 au 
 Jupiter MOID = 2.77747 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 14.0 mag n/a MPO337310  

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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