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295097 (2008 EY159)
Classification: Main-belt Asteroid          SPK-ID: 2295097
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02368674389539388 6.5549e-08  
a 3.12211971350566 3.9567e-08 au
q 3.048166863441091 1.9621e-07 au
i 10.54874318943172 4.8261e-06 deg
node 159.9585691700597 3.5588e-05 deg
peri 61.53122825658446 0.0001419 deg
M 99.31396443732928 0.00013155 deg
tp 2458840.620610551870
(2019-Dec-23.12061055)
0.00074224 TDB
period 2014.989345507476
5.52
3.8305e-05
1.049e-07
d
yr
n .1786609943137609 3.3963e-09 deg/d
Q 3.196072563570228 4.0504e-08 au
  Orbit Determination Parameters
   # obs. used (total)      263  
   data-arc span      6727 days (18.42 yr)  
   first obs. used      2002-03-20  
   last obs. used      2020-08-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59758  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 05:13:10  

Additional Information
 Earth MOID = 2.05998 au 
 Jupiter MOID = 1.78752 au 
 T_jup = 3.189 
[ 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 15.72   n/a E2021B55  
diameter diameter 3.975 km 0.866 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.059   0.025 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

295097 (2008 EY159)          Discovered 2008-Mar-03 by PMO NEO Survey Program at Purple Mountain
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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