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180813 (2005 EE239)
Classification: Main-belt Asteroid          SPK-ID: 2180813
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1029760521931497 6.1248e-08  
a 2.359367350303472 1.7062e-08 au
q 2.116409014895808 1.4297e-07 au
i 11.91750710307152 6.3992e-06 deg
node 5.430319145159181 2.7589e-05 deg
peri 11.0729985802803 4.1373e-05 deg
M 284.3261382396821 3.4036e-05 deg
tp 2459478.749998848764
(2021-Sep-21.24999885)		 0.00012673 TDB
period 1323.706723238519
3.62		 1.4359e-05
3.931e-08		 d
yr
n .2719635654030983 2.95e-09 deg/d
Q 2.602325685711135 1.8819e-08 au
   Orbit Determination Parameters
   # obs. used (total)      266  
   data-arc span      6002 days (16.43 yr)  
   first obs. used      2003-10-18  
   last obs. used      2020-03-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54703  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:28:04  

Additional Information
 Earth MOID = 1.11644 au 
 Jupiter MOID = 2.83407 au 
 T_jup = 3.516 
[ show covariance matrix ]

[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.5   n/a MPO427104  
diameter diameter 2.446 km 0.630 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.081   0.071 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

180813 (2005 EE239)          Discovered 2005-Mar-11 by Spacewatch at Kitt Peak
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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