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216716 (2005 EK58)
Classification: Main-belt Asteroid          SPK-ID: 2216716
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05432643630077218 3.909e-08  
a 2.314826852267581 1.3383e-08 au
q 2.18907055873055 9.3181e-08 au
i 6.957143008841235 4.8853e-06 deg
node 181.7265032270267 3.6044e-05 deg
peri 281.0613213738807 6.032e-05 deg
M 290.5692029959099 5.0077e-05 deg
tp 2459644.599474324973
(2022-Mar-06.09947432)
0.00017982 TDB
period 1286.40048236417
3.52
1.1156e-05
3.054e-08
d
yr
n .279850641332461 2.4269e-09 deg/d
Q 2.440583145804613 1.411e-08 au
  Orbit Determination Parameters
   # obs. used (total)      311  
   data-arc span      8269 days (22.64 yr)  
   first obs. used      1998-03-20  
   last obs. used      2020-11-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56965  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:56:00  

Additional Information
 Earth MOID = 1.21862 au 
 Jupiter MOID = 2.6172 au 
 T_jup = 3.570 
[ 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 17.01   n/a E2021B55  

216716 (2005 EK58)          Discovered 2005-Mar-04 by Spacewatch at Kitt Peak
Reference: 20090707/Numbers.arcLast Updated: 2009-07-09

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