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249276 (2008 SY205)
Classification: Main-belt Asteroid          SPK-ID: 2249276
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07351782552893842 5.3547e-08  
a 3.169749656544531 4.4202e-08 au
q 2.936716554324278 1.8949e-07 au
i 10.41721628878543 5.5579e-06 deg
node 65.80489385237425 2.9989e-05 deg
peri 7.070090841756281 5.0854e-05 deg
M 349.1568904682966 4.1315e-05 deg
tp 2459062.585075860058
(2020-Aug-01.08507586)
0.000237 TDB
period 2061.274696550033
5.64
4.3116e-05
1.18e-07
d
yr
n .1746492112878181 3.6532e-09 deg/d
Q 3.402782758764784 4.7451e-08 au
  Orbit Determination Parameters
   # obs. used (total)      254  
   data-arc span      6148 days (16.83 yr)  
   first obs. used      2003-12-28  
   last obs. used      2020-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53712  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 00:19:02  

Additional Information
 Earth MOID = 1.95157 au 
 Jupiter MOID = 1.88251 au 
 T_jup = 3.173 
[ 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 15.5   n/a MPO454847  
diameter diameter 4.687 km 0.162 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.042   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249276 (2008 SY205)          Discovered 2008-Sep-26 by Spacewatch at Kitt Peak
Reference: 20100824/Numbers.arcLast Updated: 2010-08-27

[ show close-approach data ]
Alternate Designations
 2008 SY205 = 2003 YV131 = 2006 KO127 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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