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243309 (2008 OB15)
Classification: Main-belt Asteroid          SPK-ID: 2243309
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09613851726032809 7.3634e-08  
a 2.771075966022622 2.9764e-08 au
q 2.504668831433476 2.1215e-07 au
i 10.3949414214008 6.8476e-06 deg
node 305.0898143381444 3.3358e-05 deg
peri 241.8552194684979 4.2689e-05 deg
M 316.4719543133332 2.8974e-05 deg
tp 2459204.221911431672
(2020-Dec-20.72191143)
0.00013665 TDB
period 1684.8881441481
4.61
2.7146e-05
7.432e-08
d
yr
n .2136640353547151 3.4425e-09 deg/d
Q 3.037483100611768 3.2626e-08 au
  Orbit Determination Parameters
   # obs. used (total)      309  
   data-arc span      6578 days (18.01 yr)  
   first obs. used      2002-01-19  
   last obs. used      2020-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52674  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 09:19:29  

Additional Information
 Earth MOID = 1.52738 au 
 Jupiter MOID = 2.0326 au 
 T_jup = 3.307 
[ 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 MPO418300  
diameter diameter 3.837 km 0.616 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.076   0.023 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

243309 (2008 OB15)          Discovered 2008-Jul-28 by La Sagra at La Sagra
Reference: 20100626/Numbers.arcLast Updated: 2010-06-28

[ show close-approach data ]
Alternate Designations
 2008 OB15 = 2002 EE126 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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