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

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1689398725907703 3.9177e-08  
a 2.278106159546507 6.9098e-09 au
q 1.893243195204471 8.9244e-08 au
i 3.943154268884447 4.2643e-06 deg
node 156.5356965443111 5.376e-05 deg
peri 204.9015461205898 5.4718e-05 deg
M 276.4824757362686 1.1043e-05 deg
tp 2458891.863050527244
(2020-Feb-12.36305053)
3.8923e-05 TDB
period 1255.912446094357
3.44
5.714e-06
1.564e-08
d
yr
n .2866441853646166 1.3041e-09 deg/d
Q 2.662969123888543 8.0771e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1729  
   data-arc span      15512 days (42.47 yr)  
   first obs. used      1977-03-15  
   last obs. used      2019-09-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51854  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 00:54:56  

Additional Information
 Earth MOID = .890031 au 
 Jupiter MOID = 2.78414 au 
 T_jup = 3.585 
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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.0   n/a MPO448979  

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 | Mission Design | Physical Parameters | Discovery Circumstances ]
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