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JPL Small-Body Database Browser
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(2021 LS2)
Classification: Apollo [NEO]          SPK-ID: 54157351
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.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 1 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3356607672779616 0.0003142  
a 1.444460337679209 0.00063668 au
q .9596116724312221 3.0893e-05 au
i 11.50649541617699 0.0079446 deg
node 78.29447067193685 0.00020921 deg
peri 221.641760749663 0.0027677 deg
M 351.7641596429105 0.0096087 deg
tp 2459411.006487825951
(2021-Jul-15.50648783)
0.0073351 TDB
period 634.098694354469
1.74
0.41924
0.001148
d
yr
n .5677349649276451 0.00037536 deg/d
Q 1.929309002927196 0.00085039 au
  Orbit Determination Parameters
   # obs. used (total)      22  
   data-arc span      3 days  
   first obs. used      2021-06-06  
   last obs. used      2021-06-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .72684  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jun-09 04:42:07  

Additional Information
 Earth MOID = .00717017 au 
 Jupiter MOID = 3.3056 au 
 T_jup = 4.575 
[ hide covariance matrix ]
Orbital Elements at Epoch 2459373.5 (2021-Jun-08.0) TDB
Reference: JPL 1 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .334006891549509 0.00031695  
q .9599186122260589 3.1298e-05 au
tp 2459411.026297896450
(2021-Jul-15.52629790)
0.0074381 TDB
node 78.32694453789247 0.00028133 deg
peri 221.5943615034492 0.002745 deg
i 11.61040872976023 0.0077809 deg
  Orbit Determination Parameters
   # obs. used (total)      22  
   data-arc span      3 days  
   first obs. used      2021-06-06  
   last obs. used      2021-06-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .72684  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jun-09 04:42:07  

Additional Information
 Jupiter MOID = 3.3056 au 
 T_jup = 4.575 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.004588731083137E-7 -9.914327960455798E-9 -2.356522547628803E-6 -8.912321402559917E-8 -8.652750938971195E-7 2.464595970699622E-6
q -9.914327960455798E-9 9.795627576083594E-10 2.323811171475154E-7 8.794603374532166E-9 8.512060976101327E-8 -2.430748393824407E-7
tp -2.356522547628803E-6 2.323811171475154E-7 5.532555676250931E-5 2.090417444142555E-6 2.035845672101331E-5 -5.781025987530172E-5
node -8.912321402559917E-8 8.794603374532166E-9 2.090417444142555E-6 7.914907974823775E-8 7.67465721334038E-7 -2.187751110508331E-6
peri -8.652750938971195E-7 8.512060976101327E-8 2.035845672101331E-5 7.67465721334038E-7 7.535136063221389E-6 -2.123835371335577E-5
i 2.464595970699622E-6 -2.430748393824407E-7 -5.781025987530172E-5 -2.187751110508331E-6 -2.123835371335577E-5 6.054315880234838E-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 27.77   .31003 E2021N14 autocmod 2.9c

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