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295102 (2008 EZ161)
Classification: Main-belt Asteroid          SPK-ID: 2295102
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09036998196786357 9.0891e-08  
a 3.198894051692559 5.3162e-08 au
q 2.909810053923997 3.2143e-07 au
i 8.170954040688262 1.1378e-05 deg
node 40.87618304769168 4.2551e-05 deg
peri 293.8234339113746 7.3186e-05 deg
M 257.4457337916531 5.9611e-05 deg
tp 2459595.818586848210
(2022-Jan-16.31858685)
0.00034399 TDB
period 2089.768657989895
5.72
5.2095e-05
1.426e-07
d
yr
n .17226787215111 4.2944e-09 deg/d
Q 3.487978049461122 5.7966e-08 au
  Orbit Determination Parameters
   # obs. used (total)      190  
   data-arc span      8391 days (22.97 yr)  
   first obs. used      1997-05-08  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61238  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 18:39:56  

Additional Information
 Earth MOID = 1.91329 au 
 Jupiter MOID = 1.88794 au 
 T_jup = 3.172 
[ 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 MPO471112  
diameter diameter 4.878 km 0.967 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.047   0.029 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

295102 (2008 EZ161)          Discovered 2008-Mar-11 by Spacewatch at Kitt Peak
Reference: 20110912/Numbers.arcLast Updated: 2011-09-14

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