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JPL Small-Body Database Browser
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(2021 KT1)
Classification: Apollo [NEO, PHA]          SPK-ID: 54147407
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5232423016561667 3.0855e-05  
a 2.119950000911469 0.00013891 au
q 1.010702483038559 8.1837e-07 au
i 28.63421767670793 0.00078769 deg
node 69.69189935674501 7.0287e-05 deg
peri 154.2436691049224 0.00039748 deg
M 16.17450789220335 0.0017593 deg
tp 2459345.845803638795
(2021-May-11.34580364)
0.0005315 TDB
period 1127.422905943492
3.09
0.11081
0.0003034
d
yr
n .3193122989626783 3.1385e-05 deg/d
Q 3.229197518784379 0.0002116 au
  Orbit Determination Parameters
   # obs. used (total)      205  
   data-arc span      72 days  
   first obs. used      2021-04-23  
   last obs. used      2021-07-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      5  
   norm. resid. RMS      .33006  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-15 05:50:43  

Additional Information
 Earth MOID = .0313125 au 
 Jupiter MOID = 1.88566 au 
 T_jup = 3.409 
[ hide covariance matrix ]
Orbital Elements at Epoch 2459353.5 (2021-May-19.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5229648594449329 3.0871e-05  
q 1.01062532795302 8.2565e-07 au
tp 2459345.819350317435
(2021-May-11.31935032)
0.00053506 TDB
node 69.69368877991782 7.0466e-05 deg
peri 154.2112198458234 0.00040154 deg
i 28.63736749148648 0.00078755 deg
  Orbit Determination Parameters
   # obs. used (total)      205  
   data-arc span      72 days  
   first obs. used      2021-04-23  
   last obs. used      2021-07-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      5  
   norm. resid. RMS      .33006  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-15 05:50:43  

Additional Information
 Jupiter MOID = 1.88566 au 
 T_jup = 3.409 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.530041554091811E-10 2.542065647253152E-11 1.650083369865899E-8 -2.172701970102426E-9 1.236291867820274E-8 2.430744941889773E-8
q 2.542065647253152E-11 6.817043347050663E-13 4.41383214009511E-10 -5.792853502071923E-11 3.312552772730991E-10 6.4833992975895E-10
tp 1.650083369865899E-8 4.41383214009511E-10 2.862843223263836E-7 -3.759591219435905E-8 2.147575771521342E-7 4.207576790790384E-7
node -2.172701970102426E-9 -5.792853502071923E-11 -3.759591219435905E-8 4.965499591077427E-9 -2.816618311381343E-8 -5.545161011961109E-8
peri 1.236291867820274E-8 3.312552772730991E-10 2.147575771521342E-7 -2.816618311381343E-8 1.612341419248881E-7 3.151998620518498E-7
i 2.430744941889773E-8 6.4833992975895E-10 4.207576790790384E-7 -5.545161011961109E-8 3.151998620518498E-7 6.20242183322359E-7

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 21.40   .32721 MPO641198 autocmod 2.9c

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