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390907 (2005 EW94)
Classification: Main-belt Asteroid          SPK-ID: 2390907
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1393394365699907 8.2166e-08  
a 2.684098212478028 3.1028e-08 au
q 2.31009747985282 2.163e-07 au
i 14.01270342577989 7.3362e-06 deg
node 144.5754472387964 2.7663e-05 deg
peri 321.9912572842207 3.8093e-05 deg
M 214.7905757868006 2.5519e-05 deg
tp 2459648.370691530979
(2022-Mar-09.87069153)
0.00011742 TDB
period 1606.186721109192
4.40
2.7851e-05
7.625e-08
d
yr
n .2241333434455199 3.8865e-09 deg/d
Q 3.058098945103235 3.5352e-08 au
  Orbit Determination Parameters
   # obs. used (total)      180  
   data-arc span      8545 days (23.39 yr)  
   first obs. used      1996-02-10  
   last obs. used      2019-07-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5869  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:07:28  

Additional Information
 Earth MOID = 1.34169 au 
 Jupiter MOID = 2.07036 au 
 T_jup = 3.319 
[ 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 16.5   n/a MPO288690  

390907 (2005 EW94)          Discovered 2005-Mar-10 by Lowe, A. at Mayhill
Reference: Last Updated: 2014-04-17

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