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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.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04743472548028556 5.3701e-08  
a 2.913330823952565 2.4016e-08 au
q 2.775137776085121 1.5935e-07 au
i 3.083308066776061 4.6679e-06 deg
node 104.0655733262837 0.00012665 deg
peri 30.40924126590309 0.0001423 deg
M 271.8353329515535 6.5503e-05 deg
tp 2459445.310677343323
(2021-Aug-18.81067734)		 0.00033224 TDB
period 1816.281388048614
4.97		 2.2459e-05
6.149e-08		 d
yr
n .1982071733867068 2.4509e-09 deg/d
Q 3.051523871820009 2.5156e-08 au
   Orbit Determination Parameters
   # obs. used (total)      352  
   data-arc span      8679 days (23.76 yr)  
   first obs. used      1997-02-06  
   last obs. used      2020-11-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53841  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 05:33:10  

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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