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243301 (2008 EA137)
Classification: Main-belt Asteroid          SPK-ID: 2243301
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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1752910594702096 8.3941e-08  
a 2.316076417243946 1.9367e-08 au
q 1.910088928251288 1.9455e-07 au
i 4.147606569306626 9.4734e-06 deg
node 32.98191377905264 0.00011083 deg
peri 272.1536339040414 0.00011757 deg
M 66.39141156535329 4.2911e-05 deg
tp 2458763.069145628915
(2019-Oct-06.56914563)
0.00015287 TDB
period 1287.442239263916
3.52
1.6149e-05
4.421e-08
d
yr
n .2796241951839539 3.5074e-09 deg/d
Q 2.722063906236605 2.2762e-08 au
  Orbit Determination Parameters
   # obs. used (total)      143  
   data-arc span      8704 days (23.83 yr)  
   first obs. used      1994-04-16  
   last obs. used      2018-02-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57777  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 09:32:04  

Additional Information
 Earth MOID = .90064 au 
 Jupiter MOID = 2.52204 au 
 T_jup = 3.557 
[ 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 17.3   n/a MPO437136  
diameter diameter 1.892 km 0.544 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.054   0.065 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

243301 (2008 EA137)          Discovered 2008-Mar-11 by Spacewatch at Kitt Peak
Reference: 20100626/Numbers.arcLast Updated: 2010-06-28

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