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(2003 MK4)
Classification: Apollo [NEO, PHA]          SPK-ID: 3157028
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | 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 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1812302213024299 1.7171e-07  
a 1.080439015771994 4.2324e-09 au
q .884630813839856 1.8423e-07 au
i 22.31775209430078 3.8287e-05 deg
node 282.6009777333309 9.8227e-06 deg
peri 109.6155709803145 3.5894e-05 deg
M 294.3694633069508 4.5021e-05 deg
tp 2459075.282894340135
(2020-Aug-13.78289434)
5.1611e-05 TDB
period 410.2029835343367
1.12
2.4103e-06
6.599e-09
d
yr
n .8776142896334289 5.1569e-09 deg/d
Q 1.276247217704132 4.9995e-09 au
  Orbit Determination Parameters
   # obs. used (total)      240  
   data-arc span      3898 days (10.67 yr)  
   first obs. used      2003-06-27  
   last obs. used      2014-02-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50582  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 09:14:01  

Additional Information
 Earth MOID = .00177191 au 
 Jupiter MOID = 4.06114 au 
 T_jup = 5.645 
[ 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 20.9   n/a MPO234357  

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