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457074 (2008 EE69)
Classification: Main-belt Asteroid          SPK-ID: 2457074
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2485541216890142 9.2943e-08  
a 2.565234764758839 2.5073e-08 au
q 1.927635090878081 2.4478e-07 au
i 24.04784802479386 1.1812e-05 deg
node 11.63648750920671 2.5075e-05 deg
peri 90.70243812906658 5.0528e-05 deg
M 41.60890938476268 2.9379e-05 deg
tp 2458827.050547164757
(2019-Dec-09.55054716)
0.000124 TDB
period 1500.683482070641
4.11
2.2002e-05
6.024e-08
d
yr
n .2398906926750952 3.5171e-09 deg/d
Q 3.202834438639597 3.1305e-08 au
  Orbit Determination Parameters
   # obs. used (total)      194  
   data-arc span      7848 days (21.49 yr)  
   first obs. used      1998-10-22  
   last obs. used      2020-04-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51579  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 05:52:51  

Additional Information
 Earth MOID = 1.10479 au 
 Jupiter MOID = 2.32287 au 
 T_jup = 3.271 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.6   n/a MPO386701  

457074 (2008 EE69)          Discovered 2008-Mar-06 by Klet at Klet
Reference: Last Updated: 2016-02-25

Alternate Designations
 2008 EE69 = 1998 UP50 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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