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(2004 LB)
Classification: Apollo [NEO, PHA]          SPK-ID: 3183834
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0528832993666801 1.8345e-07  
a 1.051299464416112 2.1315e-09 au
q .9957032801153647 1.9213e-07 au
i 37.32680557734216 0.00013789 deg
node 254.0203783582824 1.5856e-05 deg
peri 144.6906344341897 0.00039173 deg
M 157.1080784371511 0.00042573 deg
tp 2458828.675888159665
(2019-Dec-11.17588816)
0.0004658 TDB
period 393.7205577068123
1.08
1.1974e-06
3.278e-09
d
yr
n .9143540842692734 2.7808e-09 deg/d
Q 1.10689564871686 2.2442e-09 au
  Orbit Determination Parameters
   # obs. used (total)      152  
   data-arc span      5113 days (14.00 yr)  
   first obs. used      2004-06-07  
   last obs. used      2018-06-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53294  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Jun-08 06:21:56  

Additional Information
 Earth MOID = .0200274 au 
 Jupiter MOID = 4.04387 au 
 T_jup = 5.663 
[ hide covariance matrix ]
Orbital Elements at Epoch 2454763.5 (2008-Oct-24.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05289072070487911 1.8377e-07  
q .9955430603744354 1.9112e-07 au
tp 2454892.501488020619
(2009-Mar-02.00148802)
0.00045768 TDB
node 254.0516479062943 1.5963e-05 deg
peri 144.7222040519902 0.00039184 deg
i 37.32713836208364 0.00013789 deg
  Orbit Determination Parameters
   # obs. used (total)      152  
   data-arc span      5113 days (14.00 yr)  
   first obs. used      2004-06-07  
   last obs. used      2018-06-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53294  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Jun-08 06:21:56  

Additional Information
 Jupiter MOID = 4.04387 au 
 T_jup = 5.663 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.377148863214783E-14 -3.512110353880246E-14 4.01503729059257E-11 -2.157542670124926E-12 3.597892318853082E-11 1.425003281706097E-11
q -3.512110353880246E-14 3.652760108704759E-14 -4.148614776338216E-11 2.236970413235895E-12 -3.719350613204526E-11 -1.476164539973188E-11
tp 4.01503729059257E-11 -4.148614776338216E-11 2.094666968955437E-7 -6.253850943301019E-9 1.792569842150975E-7 5.579487506823486E-8
node -2.157542670124926E-12 2.236970413235895E-12 -6.253850943301019E-9 2.548128010266879E-10 -5.434090085844039E-9 -1.64916518141346E-9
peri 3.597892318853082E-11 -3.719350613204526E-11 1.792569842150975E-7 -5.434090085844039E-9 1.535351416693202E-7 4.784356956451458E-8
i 1.425003281706097E-11 -1.476164539973188E-11 5.579487506823486E-8 -1.64916518141346E-9 4.784356956451458E-8 1.90123889386205E-8

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 21.6   n/a E2018L29  

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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