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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1761915985900953 6.862e-08  
a 3.157978886968535 3.3382e-08 au
q 2.601569538559779 2.2484e-07 au
i 17.02409524657044 7.609e-06 deg
node 164.1222569598107 2.1732e-05 deg
peri 174.2925443685115 2.998e-05 deg
M 306.5095148091592 2.3293e-05 deg
tp 2459505.069420205478
(2021-Oct-17.56942021)
0.00013562 TDB
period 2049.803640456538
5.61
3.2502e-05
8.899e-08
d
yr
n .1756265785145253 2.7847e-09 deg/d
Q 3.714388235377291 3.9263e-08 au
  Orbit Determination Parameters
   # obs. used (total)      240  
   data-arc span      9780 days (26.78 yr)  
   first obs. used      1993-09-09  
   last obs. used      2020-06-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58375  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 02:06:37  

Additional Information
 Earth MOID = 1.59174 au 
 Jupiter MOID = 1.71414 au 
 T_jup = 3.114 
[ 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 15.57   n/a E2021B55  
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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