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300973 (2008 EW50)
Classification: Main-belt Asteroid          SPK-ID: 2300973
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1710404329109613 5.9375e-08  
a 3.118654114031527 3.5421e-08 au
q 2.585238164268024 1.9423e-07 au
i 11.83668482761388 7.8818e-06 deg
node 188.9128641418213 2.8158e-05 deg
peri 321.0515798469136 3.9393e-05 deg
M 23.2690816788768 2.2792e-05 deg
tp 2458470.475262481317
(2018-Dec-17.97526248)
0.00012783 TDB
period 2011.635274339939
5.51
3.4272e-05
9.383e-08
d
yr
n .1789588821552772 3.0489e-09 deg/d
Q 3.65207006379503 4.148e-08 au
  Orbit Determination Parameters
   # obs. used (total)      203  
   data-arc span      5843 days (16.00 yr)  
   first obs. used      2003-05-02  
   last obs. used      2019-05-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .67804  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 10:30:19  

Additional Information
 Earth MOID = 1.60762 au 
 Jupiter MOID = 1.41512 au 
 T_jup = 3.162 
[ 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 15.8   n/a MPO437341  
diameter diameter 5.301 km 1.357 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.036   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

300973 (2008 EW50)          Discovered 2008-Mar-06 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20111012/Numbers.arcLast Updated: 2011-10-13

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