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(2014 EJ121)
Classification: Mars-crossing Asteroid          SPK-ID: 3793259
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ hide orbit diagram ]

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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5083897985239433 8.4448e-08  
a 3.089506864255969 1.2822e-07 au
q 1.518833091998537 2.0819e-07 au
i 14.5472894998945 1.0336e-05 deg
node 169.3523288841573 1.7003e-05 deg
peri 107.693402197127 3.659e-05 deg
M 41.72982542915787 1.0504e-05 deg
tp 2458970.580270043194
(2020-May-01.08027004)
6.822e-05 TDB
period 1983.49985731346
5.43
0.00012348
3.381e-07
d
yr
n .18149736621993 1.1299e-08 deg/d
Q 4.6601806365134 1.9341e-07 au
  Orbit Determination Parameters
   # obs. used (total)      162  
   data-arc span      2453 days (6.72 yr)  
   first obs. used      2014-02-28  
   last obs. used      2020-11-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51152  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 09:34:32  

Additional Information
 Earth MOID = .579684 au 
 Jupiter MOID = 1.27319 au 
 T_jup = 2.969 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.8   .32146 E2020W08 autocmod 2.8

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