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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1756430148802915 8.3888e-08  
a 2.316779925002355 1.937e-08 au
q 1.909853714160806 1.947e-07 au
i 4.148205880686515 9.4738e-06 deg
node 32.99845683259045 0.0001108 deg
peri 272.164134243866 0.00011753 deg
M 314.5449167683102 4.2603e-05 deg
tp 2458763.131832461225
(2019-Oct-06.63183246)
0.00015278 TDB
period 1288.028874298123
3.53
1.6153e-05
4.422e-08
d
yr
n .2794968398485417 3.5052e-09 deg/d
Q 2.723706135843904 2.2772e-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 = .899642 au 
 Jupiter MOID = 2.51896 au 
 T_jup = 3.556 
[ 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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