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258632 (2002 ES8)
Classification: Main-belt Asteroid          SPK-ID: 2258632
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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1083861650782709 4.6485e-08  
a 3.069933615007113 3.1965e-08 au
q 2.737195283431619 1.4961e-07 au
i 12.99903474751858 5.4169e-06 deg
node 120.7370086029022 2.2528e-05 deg
peri 291.4169041844888 3.5309e-05 deg
M 234.3076361781936 3.1028e-05 deg
tp 2459686.459217668034
(2022-Apr-16.95921767)
0.00017532 TDB
period 1964.680358073189
5.38
3.0685e-05
8.401e-08
d
yr
n .1832359134251543 2.8618e-09 deg/d
Q 3.402671946582608 3.5429e-08 au
  Orbit Determination Parameters
   # obs. used (total)      316  
   data-arc span      6761 days (18.51 yr)  
   first obs. used      2000-11-27  
   last obs. used      2019-06-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5673  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 11:38:38  

Additional Information
 Earth MOID = 1.78193 au 
 Jupiter MOID = 1.94968 au 
 T_jup = 3.183 
[ 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 15.3   n/a MPO437201  

258632 (2002 ES8)          Discovered 2002-Mar-11 by Kusnirak, P. at Ondrejov
Reference: 20110119/Numbers.arcLast Updated: 2011-01-25

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