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249263 (2008 SV81)
Classification: Main-belt Asteroid          SPK-ID: 2249263
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2689653707925287 1.0343e-07  
a 3.097506945061879 3.1105e-08 au
q 2.264384841050878 3.1595e-07 au
i 16.1270118281635 1.0986e-05 deg
node 234.6093878988578 3.0175e-05 deg
peri 179.5475244480857 3.7296e-05 deg
M 26.54009812548858 1.6735e-05 deg
tp 2458853.703100298237
(2020-Jan-05.20310030)
9.3128e-05 TDB
period 1991.20906195451
5.45
2.9993e-05
8.212e-08
d
yr
n .1807946774040065 2.7233e-09 deg/d
Q 3.930629049072881 3.9471e-08 au
  Orbit Determination Parameters
   # obs. used (total)      289  
   data-arc span      6410 days (17.55 yr)  
   first obs. used      2002-07-09  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .40558  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 10:21:10  

Additional Information
 Earth MOID = 1.27593 au 
 Jupiter MOID = 1.45188 au 
 T_jup = 3.108 
[ 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 15.7   n/a MPO503175  
diameter diameter 4.909 km 0.207 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.035   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249263 (2008 SV81)          Discovered 2008-Sep-25 by Tozzi, F. at Sierra Stars
Reference: 20100824/Numbers.arcLast Updated: 2010-08-27

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