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226016 (2002 EN84)
Classification: Main-belt Asteroid          SPK-ID: 2226016
[ 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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04743472758351065 5.4058e-08  
a 2.913330824938222 2.4213e-08 au
q 2.775137770896634 1.6007e-07 au
i 3.08330787389296 4.6856e-06 deg
node 104.0655658450582 0.00012785 deg
peri 30.40925123158372 0.00014362 deg
M 271.8353302166715 6.6151e-05 deg
tp 2459445.310691367158
(2021-Aug-18.81069137)		 0.00033559 TDB
period 1816.281388970358
4.97		 2.2643e-05
6.199e-08		 d
yr
n .1982071732861186 2.471e-09 deg/d
Q 3.051523878979812 2.5362e-08 au
   Orbit Determination Parameters
   # obs. used (total)      348  
   data-arc span      8386 days (22.96 yr)  
   first obs. used      1997-02-06  
   last obs. used      2020-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54082  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 05:48:28  

Additional Information
 Earth MOID = 1.78975 au 
 Jupiter MOID = 1.95178 au 
 T_jup = 3.279 
[ 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 15.6   n/a MPO494237  

226016 (2002 EN84)          Discovered 2002-Mar-09 by LINEAR at Socorro
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

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