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(2000 KA)
Classification: Apollo [NEO, PHA]          SPK-ID: 3035252
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 50 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4620360681084673 7.8845e-09  
a 1.332218230299507 1.52e-09 au
q .7166853573095023 1.0885e-08 au
i 6.731543039103205 6.2024e-06 deg
node 62.49949705728473 9.257e-06 deg
peri 83.19534252310866 8.9389e-06 deg
M 48.24563933994931 5.4942e-07 deg
tp 2458925.230843263136
(2020-Mar-16.73084326)
8.4003e-07 TDB
period 561.6444676862967
1.54
9.612e-07
2.632e-09
d
yr
n .6409748884076536 1.097e-09 deg/d
Q 1.947751103289512 2.2223e-09 au
  Orbit Determination Parameters
   # obs. used (total)      454  
   # delay obs. used      2  
   # Doppler obs. used      2  
   data-arc span      7335 days (20.08 yr)  
   first obs. used      2000-05-22  
   last obs. used      2020-06-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .32662  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 14:11:07  

Additional Information
 Earth MOID = .00182788 au 
 Jupiter MOID = 3.0853 au 
 T_jup = 4.797 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458005.5 (2017-Sep-09.0) TDB
Reference: JPL 50 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4621257907472088 7.9209e-09  
q .716482383052841 1.0805e-08 au
tp 2457802.129168692784
(2017-Feb-17.62916869)
1.6763e-06 TDB
node 62.56363980900976 9.3517e-06 deg
peri 83.11893985287335 9.0275e-06 deg
i 6.701102376072638 6.2093e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      454  
   # delay obs. used      2  
   # Doppler obs. used      2  
   data-arc span      7335 days (20.08 yr)  
   first obs. used      2000-05-22  
   last obs. used      2020-06-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .32662  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 14:11:07  

Additional Information
 Jupiter MOID = 3.0853 au 
 T_jup = 4.797 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.274021149490936E-17 -8.546717192572986E-17 4.056524688405118E-15 -2.89756798196654E-15 -6.127229963394832E-15 3.437515675972956E-15
q -8.546717192572986E-17 1.167423213800103E-16 -6.290602681373588E-15 3.437690102363993E-15 8.86827476088823E-15 -4.42917552671489E-15
tp 4.056524688405118E-15 -6.290602681373588E-15 2.809844267786054E-12 4.246178365073323E-12 -4.256341750969561E-12 -8.895157177351412E-13
node -2.89756798196654E-15 3.437690102363993E-15 4.246178365073323E-12 8.745424310952702E-11 -8.34113691945003E-11 -5.469177031596913E-11
peri -6.127229963394832E-15 8.86827476088823E-15 -4.256341750969561E-12 -8.34113691945003E-11 8.149550253632157E-11 5.345441806943108E-11
i 3.437515675972956E-15 -4.42917552671489E-15 -8.895157177351412E-13 -5.469177031596913E-11 5.345441806943108E-11 3.855595980593076E-11

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 21.7   n/a MPO278178  

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