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249217 (2008 EB80)
Classification: Main-belt Asteroid          SPK-ID: 2249217
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1760265207920766 8.1915e-08  
a 3.156734456858348 3.8122e-08 au
q 2.601065473353108 2.5775e-07 au
i 17.02417641157782 1.012e-05 deg
node 164.1328101848223 2.1885e-05 deg
peri 174.3935015550193 3.0435e-05 deg
M 271.2489618642433 2.4868e-05 deg
tp 2459505.540776469153
(2021-Oct-18.04077647)
0.0001478 TDB
period 2048.592144362132
5.61
3.711e-05
1.016e-07
d
yr
n .1757304405324139 3.1833e-09 deg/d
Q 3.712403440363589 4.4833e-08 au
  Orbit Determination Parameters
   # obs. used (total)      215  
   data-arc span      9723 days (26.62 yr)  
   first obs. used      1993-09-09  
   last obs. used      2020-04-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59022  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 13:41:44  

Additional Information
 Earth MOID = 1.59308 au 
 Jupiter MOID = 1.71547 au 
 T_jup = 3.115 
[ 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 15.5   n/a MPO433633  
diameter diameter 4.594 km 0.233 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.053   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249217 (2008 EB80)          Discovered 2008-Mar-09 by Spacewatch at Kitt Peak
Reference: 20100824/Numbers.arcLast Updated: 2010-08-27

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