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212557 (2006 SW49)
Classification: Main-belt Asteroid          SPK-ID: 2212557
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08026083470800681 5.6535e-08  
a 3.142255451542508 3.1816e-08 au
q 2.890055406135921 1.7174e-07 au
i 15.85515900636983 7.9245e-06 deg
node 19.98301054007154 1.7335e-05 deg
peri 67.24388783683318 5.3376e-05 deg
M 104.7868096808938 4.8783e-05 deg
tp 2458408.304944747276
(2018-Oct-16.80494475)
0.00027486 TDB
period 2034.513891015547
5.57
3.09e-05
8.46e-08
d
yr
n .1769464448435408 2.6874e-09 deg/d
Q 3.394455496949094 3.437e-08 au
  Orbit Determination Parameters
   # obs. used (total)      297  
   data-arc span      6759 days (18.51 yr)  
   first obs. used      2001-10-25  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56102  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 08:46:50  

Additional Information
 Earth MOID = 1.94686 au 
 Jupiter MOID = 1.86926 au 
 T_jup = 3.146 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.2   n/a MPO427251  
diameter diameter 6.331 km 1.351 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.030   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

212557 (2006 SW49)          Discovered 2006-Sep-19 by La Sagra at La Sagra
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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