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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02259201866111674 6.5731e-08  
a 3.119581837655168 3.8005e-08 au
q 3.049104186563982 1.9531e-07 au
i 10.53602610309033 4.8203e-06 deg
node 160.0042405704568 3.5675e-05 deg
peri 59.7269215166622 0.00014852 deg
M 66.15104335944385 0.00013881 deg
tp 2458830.691235867910
(2019-Dec-13.19123587)
0.00077968 TDB
period 2012.532959822866
5.51
3.6777e-05
1.007e-07
d
yr
n .1788790579766135 3.2688e-09 deg/d
Q 3.190059488746355 3.8863e-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.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59748  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 19:50:38  

Additional Information
 Earth MOID = 2.05903 au 
 Jupiter MOID = 1.79215 au 
 T_jup = 3.190 
[ 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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