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249219 (2008 EB91)
Classification: Outer Main-belt Asteroid          SPK-ID: 2249219
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1017286339924157 4.498e-08  
a 3.241024456603193 3.1531e-08 au
q 2.911319465896939 1.3972e-07 au
i 18.03912935322445 6.8529e-06 deg
node 211.8333246798601 1.2842e-05 deg
peri 292.73147792 3.3788e-05 deg
M 56.16190411983411 3.1113e-05 deg
tp 2458668.023302409537
(2019-Jul-03.52330241)
0.00018406 TDB
period 2131.18862346935
5.83
3.11e-05
8.515e-08
d
yr
n .1689198206275886 2.465e-09 deg/d
Q 3.570729447309447 3.4738e-08 au
  Orbit Determination Parameters
   # obs. used (total)      370  
   data-arc span      7501 days (20.54 yr)  
   first obs. used      1999-10-13  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58972  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 13:41:44  

Additional Information
 Earth MOID = 1.97404 au 
 Jupiter MOID = 1.59186 au 
 T_jup = 3.099 
[ 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 14.7   n/a MPO433633  
diameter diameter 7.010 km 0.312 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.052   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249219 (2008 EB91)          Discovered 2008-Mar-01 by CSS at Catalina
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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