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249240 (2008 JK26)
Classification: Outer Main-belt Asteroid          SPK-ID: 2249240
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06692791384245368 6.7472e-08  
a 3.20607973762399 4.0122e-08 au
q 2.991503509172255 2.265e-07 au
i 10.10777558022026 6.3813e-06 deg
node 132.847493721304 4.2835e-05 deg
peri 113.4117877369069 6.8405e-05 deg
M 34.46331066378524 5.4107e-05 deg
tp 2458799.769022212064
(2019-Nov-12.26902221)
0.00031494 TDB
period 2096.813991802374
5.74
3.936e-05
1.078e-07
d
yr
n .1716890489129902 3.2228e-09 deg/d
Q 3.420655966075725 4.2807e-08 au
  Orbit Determination Parameters
   # obs. used (total)      244  
   data-arc span      7529 days (20.61 yr)  
   first obs. used      1998-09-28  
   last obs. used      2019-05-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51124  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 10:20:52  

Additional Information
 Earth MOID = 1.9959 au 
 Jupiter MOID = 1.70546 au 
 T_jup = 3.165 
[ 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 15.3   n/a MPO470659  
diameter diameter 5.925 km 0.968 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.029   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

249240 (2008 JK26)          Discovered 2008-May-13 by Teamo, N. at Tiki
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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