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JPL Small-Body Database Browser
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(2020 KR2)
Classification: Aten [NEO]          SPK-ID: 54017162
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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1643963385914194 0.00022981  
a .9588259715661028 3.5593e-05 au
q .8011984924942751 0.00024966 au
i 2.993954911190382 0.0050718 deg
node 199.699591666016 0.018597 deg
peri 261.8715891420549 0.011648 deg
M 190.4765693338663 0.011715 deg
tp 2459557.986173025149
(2021-Dec-09.48617303)
0.013284 TDB
period 342.9320776521271
0.94
0.019095
5.228e-05
d
yr
n 1.049770562336215 5.8454e-05 deg/d
Q 1.11645345063793 4.1445e-05 au
  Orbit Determination Parameters
   # obs. used (total)      17  
   data-arc span      5 days  
   first obs. used      2020-05-17  
   last obs. used      2020-05-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      6  
   norm. resid. RMS      .39625  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 22:33:50  

Additional Information
 Earth MOID = .0154611 au 
 Jupiter MOID = 3.96222 au 
 T_jup = 6.273 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458988.5 (2020-May-19.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1647132997027196 0.00022877  
q .8007826115472966 0.00024801 au
tp 2458872.247265621832
(2020-Jan-23.74726562)
0.032034 TDB
node 199.8495641403536 0.018117 deg
peri 261.838338353557 0.011556 deg
i 2.998971183823053 0.0050592 deg
  Orbit Determination Parameters
   # obs. used (total)      17  
   data-arc span      5 days  
   first obs. used      2020-05-17  
   last obs. used      2020-05-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      6  
   norm. resid. RMS      .39625  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 22:33:50  

Additional Information
 Jupiter MOID = 3.96222 au 
 T_jup = 6.273 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.233755796143994E-8 -5.672543445582738E-8 7.225577022442191E-6 2.916893122314094E-6 -2.040621133847359E-6 1.152099985465996E-6
q -5.672543445582738E-8 6.150989271448614E-8 -7.80293798568548E-6 -3.093707235875078E-6 2.17358858082893E-6 -1.246133430445835E-6
tp 7.225577022442191E-6 -7.80293798568548E-6 .001026184274752666 .0004714001269809292 -.0003206667319645223 .0001616334876416476
node 2.916893122314094E-6 -3.093707235875078E-6 .0004714001269809292 .0003282114192761568 -.0002080722673992908 7.04260886021132E-5
peri -2.040621133847359E-6 2.17358858082893E-6 -.0003206667319645223 -.0002080722673992908 .0001335388988635217 -4.84587491313868E-5
i 1.152099985465996E-6 -1.246133430445835E-6 .0001616334876416476 7.04260886021132E-5 -4.84587491313868E-5 2.559519896868723E-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 26.6   .29273 MPO545559 autocmod 2.8

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