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243297 (2008 EJ60)
Classification: Main-belt Asteroid          SPK-ID: 2243297
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 .05431609583262163 4.7084e-08  
a 2.978386217978472 3.028e-08 au
q 2.816611906736194 1.3069e-07 au
i 13.46214411061124 5.4475e-06 deg
node 187.1611031972874 1.9582e-05 deg
peri 279.7059488929488 5.4773e-05 deg
M 199.2432421883526 5.2383e-05 deg
tp 2459838.871845226846
(2022-Sep-16.37184523)
0.00027429 TDB
period 1877.456776251288
5.14
2.8631e-05
7.839e-08
d
yr
n .1917487553129243 2.9242e-09 deg/d
Q 3.14016052922075 3.1925e-08 au
  Orbit Determination Parameters
   # obs. used (total)      292  
   data-arc span      6871 days (18.81 yr)  
   first obs. used      2000-10-01  
   last obs. used      2019-07-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56121  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 09:19:29  

Additional Information
 Earth MOID = 1.87123 au 
 Jupiter MOID = 1.95278 au 
 T_jup = 3.216 
[ 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 MPO437136  
diameter diameter 5.046 km 0.811 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.040   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

243297 (2008 EJ60)          Discovered 2008-Mar-08 by CSS at Catalina
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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