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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07321952012920781 5.5677e-08  
a 3.168430402766818 4.7202e-08 au
q 2.936439449113439 1.9905e-07 au
i 10.41797390759611 5.6286e-06 deg
node 65.80156900950486 3.1174e-05 deg
peri 7.290658761765234 5.2846e-05 deg
M 279.0525935227408 4.3169e-05 deg
tp 2459063.696343810508
(2020-Aug-02.19634381)
0.0002511 TDB
period 2059.987972791057
5.64
4.6034e-05
1.26e-07
d
yr
n .1747583018711705 3.9052e-09 deg/d
Q 3.400421356420197 5.0658e-08 au
  Orbit Determination Parameters
   # obs. used (total)      240  
   data-arc span      5814 days (15.92 yr)  
   first obs. used      2003-12-28  
   last obs. used      2019-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54304  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 18:47:07  

Additional Information
 Earth MOID = 1.95112 au 
 Jupiter MOID = 1.88461 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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