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332486 (2008 EB157)
Classification: Main-belt Asteroid          SPK-ID: 2332486
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1937016579135583 5.306e-08  
a 2.329514337372339 2.1053e-08 au
q 1.878283548089912 1.3045e-07 au
i 2.503302296733743 6.5813e-06 deg
node 157.8716284550363 0.0001348 deg
peri 153.4382663900431 0.00013608 deg
M 47.39257313841454 1.8227e-05 deg
tp 2458829.536147100560
(2019-Dec-12.03614710)
6.5488e-05 TDB
period 1298.663123102529
3.56
1.7605e-05
4.82e-08
d
yr
n .2772081485920335 3.7579e-09 deg/d
Q 2.780745126654764 2.5131e-08 au
  Orbit Determination Parameters
   # obs. used (total)      231  
   data-arc span      4151 days (11.36 yr)  
   first obs. used      2008-03-13  
   last obs. used      2019-07-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .66075  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 21:08:47  

Additional Information
 Earth MOID = .864431 au 
 Jupiter MOID = 2.49031 au 
 T_jup = 3.545 
[ 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 17.2   n/a MPO476523  
diameter diameter 2.088 km 0.421 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.053   0.016 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

332486 (2008 EB157)          Discovered 2008-Mar-13 by Spacewatch at Kitt Peak
Reference: 20120703/Numbers.arcLast Updated: 2012-07-09

[ show close-approach data ]
Alternate Designations
 2008 EB157 = 2008 GV109 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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