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(2020 KJ3)
Classification: Apollo [NEO]          SPK-ID: 54017186
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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .393141472235513 0.00064653  
a 1.429953488790119 0.0012439 au
q .8677794689788633 0.00016962 au
i 3.607061127268987 0.005484 deg
node 228.2560157788381 0.0010057 deg
peri 79.04138120776661 0.0015473 deg
M 334.7226366885942 0.043661 deg
tp 2459044.354136515283
(2020-Jul-13.85413652)
0.018524 TDB
period 624.5702509002662
1.71
0.81498
0.002231
d
yr
n .5763963292857607 0.00075212 deg/d
Q 1.992127508601375 0.001733 au
  Orbit Determination Parameters
   # obs. used (total)      51  
   data-arc span      16 days  
   first obs. used      2020-05-12  
   last obs. used      2020-05-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .35481  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-14 06:29:38  

Additional Information
 Earth MOID = .019763 au 
 Jupiter MOID = 3.28315 au 
 T_jup = 4.601 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458987.5 (2020-May-18.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3927628056822651 0.00064759  
q .8678807274648926 0.00016991 au
tp 2459044.370111063410
(2020-Jul-13.87011106)
0.0186 TDB
node 228.4334925735172 0.00019615 deg
peri 78.86923677870836 0.00077719 deg
i 3.642817598820582 0.0053749 deg
  Orbit Determination Parameters
   # obs. used (total)      51  
   data-arc span      16 days  
   first obs. used      2020-05-12  
   last obs. used      2020-05-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .35481  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-14 06:29:38  

Additional Information
 Jupiter MOID = 3.28315 au 
 T_jup = 4.601 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.193718826386621E-7 -1.100313359595263E-7 -1.204530896132481E-5 1.224248493704388E-7 -5.005182155792189E-7 3.480729492183075E-6
q -1.100313359595263E-7 2.886919892093841E-8 3.160338179988809E-6 -3.21203096607677E-8 1.313031746758918E-7 -9.132450738377691E-7
tp -1.204530896132481E-5 3.160338179988809E-6 .0003459699453404249 -3.516238639097412E-6 1.437830517230791E-5 -9.997431399976796E-5
node 1.224248493704388E-7 -3.21203096607677E-8 -3.516238639097412E-6 3.847578308353804E-8 -1.488225201220584E-7 1.01703824141914E-6
peri -5.005182155792189E-7 1.313031746758918E-7 1.437830517230791E-5 -1.488225201220584E-7 6.040266933460319E-7 -4.155061746787644E-6
i 3.480729492183075E-6 -9.132450738377691E-7 -9.997431399976796E-5 1.01703824141914E-6 -4.155061746787644E-6 2.888998040147624E-5

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 25.959   .45038 7 autocmod 2.8

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