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JPL Small-Body Database Browser
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(2019 LL1)
Classification: Apollo [NEO]          SPK-ID: 3842759
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 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5297846637957676 0.00064542  
a 2.106169015566712 0.0028523 au
q .9903529717576386 1.818e-05 au
i 1.545308053057781 0.0014719 deg
node 247.6516861518186 0.00023548 deg
peri 41.54802711034069 0.0017738 deg
M 234.1232046340118 0.47415 deg
tp 2459786.874492983497
(2022-Jul-26.37449298)
2.2634 TDB
period 1116.447372730234
3.06
2.2679
0.006209
d
yr
n .3224513835521259 0.00065502 deg/d
Q 3.221985059375785 0.0043634 au
  Orbit Determination Parameters
   # obs. used (total)      22  
   data-arc span      21 days  
   first obs. used      2019-05-25  
   last obs. used      2019-06-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .61941  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 21:23:07  

Additional Information
 Earth MOID = .00897363 au 
 Jupiter MOID = 1.99005 au 
 T_jup = 3.549 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458637.5 (2019-Jun-03.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5317543518384625 0.00064273  
q .9901799644910113 2.2504e-05 au
tp 2458670.202519905434
(2019-Jul-05.70251991)
0.0033932 TDB
node 248.0355164581828 0.001381 deg
peri 40.95254724479116 0.0034373 deg
i 1.578121947215325 0.0014016 deg
  Orbit Determination Parameters
   # obs. used (total)      22  
   data-arc span      21 days  
   first obs. used      2019-05-25  
   last obs. used      2019-06-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .61941  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 21:23:07  

Additional Information
 Jupiter MOID = 1.99005 au 
 T_jup = 3.549 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.13096697065975E-7 -1.446142759127823E-8 -2.179962101982769E-6 -8.868872214139928E-7 2.206770878453295E-6 9.007416100234074E-7
q -1.446142759127823E-8 5.064267565510903E-10 7.627353486330548E-8 3.105965220639062E-8 -7.731682685026777E-8 -3.152582953385103E-8
tp -2.179962101982769E-6 7.627353486330548E-8 1.151403136476163E-5 4.677231165717681E-6 -1.162982126979783E-5 -4.754979026568304E-6
node -8.868872214139928E-7 3.105965220639062E-8 4.677231165717681E-6 1.907066243868005E-6 -4.744464574141259E-6 -1.932991312136843E-6
peri 2.206770878453295E-6 -7.731682685026777E-8 -1.162982126979783E-5 -4.744464574141259E-6 1.181473913656268E-5 4.80888522323649E-6
i 9.007416100234074E-7 -3.152582953385103E-8 -4.754979026568304E-6 -1.932991312136843E-6 4.80888522323649E-6 1.96444024340276E-6

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 26.5   .70933 MPO473674 autocmod 2.6q

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