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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1757806223542055 1.0815e-07  
a 3.156556595731656 4.8585e-08 au
q 2.601695112837673 3.2515e-07 au
i 17.02358288411607 1.1759e-05 deg
node 164.1332782616424 2.1908e-05 deg
peri 174.462426837266 3.1194e-05 deg
M 200.8435069744291 2.7986e-05 deg
tp 2459506.108849598792
(2021-Oct-18.60884960)
0.00017542 TDB
period 2048.419009855822
5.61
4.7293e-05
1.295e-07
d
yr
n .1757452934521139 4.0576e-09 deg/d
Q 3.711418078625639 5.7125e-08 au
  Orbit Determination Parameters
   # obs. used (total)      198  
   data-arc span      9338 days (25.57 yr)  
   first obs. used      1993-09-09  
   last obs. used      2019-04-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61257  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 10:45:17  

Additional Information
 Earth MOID = 1.59279 au 
 Jupiter MOID = 1.71287 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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