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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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1696608778565606 4.7921e-08  
a 2.277021699357415 1.1259e-08 AU
q 1.890700198945999 1.0884e-07 AU
i 3.944303160588537 5.1779e-06 deg
node 156.5831966207631 6.8648e-05 deg
peri 205.08340291 7.0228e-05 deg
M 177.3267449035314 1.8259e-05 deg
tp 2456382.311499444006
(2013-Mar-30.81149944)
6.1152e-05 JED
period 1255.015763816267
3.44
9.3081e-06
2.548e-08
d
yr
n .2868489865858797 2.1275e-09 deg/d
Q 2.663343199768831 1.3169e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1228  
   data-arc span      13949 days (38.19 yr)  
   first obs. used      1977-03-15  
   last obs. used      2015-05-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51862  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jun-04 15:55:20  

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 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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