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(1998 KO3)
Classification: Apollo [NEO]          SPK-ID: 3092184
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 2450960.5 (1998-May-27.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .77562632969559 0.0090813  
a 2.660702231294037 0.12028 au
q .5969915252225764 0.0028253 au
i 54.80881592437147 0.56712 deg
node 65.2094489126908 0.0054602 deg
peri 75.60300399027068 0.64199 deg
M 15.4877169506025 1.124 deg
tp 2450892.301041902015
(1998-Mar-19.80104190)
0.32511 TDB
period 1585.232025713093
4.34
107.49
0.2943
d
yr
n .2270960932914912 0.015399 deg/d
Q 4.724412937365497 0.21357 au
  Orbit Determination Parameters
   # obs. used (total)      60  
   data-arc span      6 days  
   first obs. used      1998-05-24  
   last obs. used      1998-05-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      9  
   norm. resid. RMS      .54383  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 09:17:47  

Additional Information
 Earth MOID = .080075 au 
 Jupiter MOID = 3.19304 au 
 T_jup = 2.476 
[ 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 19.5   n/a MPO242996  

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