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JPL Small-Body Database Browser
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434859 (2006 SF221)
Classification: Main-belt Asteroid          SPK-ID: 2434859
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08225365333884491 6.6094e-08  
a 3.016352792235212 4.9158e-08 au
q 2.76824675531504 1.9316e-07 au
i .5756241675065243 7.5981e-06 deg
node 345.1296535478454 0.00078214 deg
peri 356.5257462485938 0.00078397 deg
M 158.4483008555047 5.272e-05 deg
tp 2457758.316525746375
(2017-Jan-04.81652575)
0.00027575 TDB
period 1913.469876889323
5.24
4.6776e-05
1.281e-07
d
yr
n .1881398836470018 4.5992e-09 deg/d
Q 3.264458829155384 5.3201e-08 au
  Orbit Determination Parameters
   # obs. used (total)      103  
   data-arc span      5441 days (14.90 yr)  
   first obs. used      2004-03-17  
   last obs. used      2019-02-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63846  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 11:53:47  

Additional Information
 Earth MOID = 1.75891 au 
 Jupiter MOID = 2.06038 au 
 T_jup = 3.243 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.6   n/a MPO428054  

434859 (2006 SF221)          Discovered 2006-Sep-25 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-06-04
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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