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(2018 LB)
Classification: Aten [NEO]          SPK-ID: 3825059
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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 1 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3189825216665231 0.00034303  
a .8250569767941721 0.00013211 au
q .5618782218178091 0.00037292 au
i .8791798670430334 0.00096296 deg
node 79.512069043453 0.0028275 deg
peri 318.6409043934593 0.0016968 deg
M 18.9345791467864 0.32352 deg
tp 2459186.102818012566
(2020-Dec-02.60281801)
0.24253 TDB
period 273.7312234560948
0.75
0.065745
0.00018
d
yr
n 1.315158700036799 0.00031588 deg/d
Q 1.088235731770535 0.00017425 au
  Orbit Determination Parameters
   # obs. used (total)      33  
   data-arc span      1 day  
   first obs. used      2018-06-01  
   last obs. used      2018-06-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .51642  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Jun-03 18:42:03  

Additional Information
 Earth MOID = .00245002 au 
 Jupiter MOID = 4.29857 au 
 T_jup = 7.061 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458271.5 (2018-Jun-02.0) TDB
Reference: JPL 1 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3216533083176225 0.00033594  
q .5586227606345123 0.00036404 au
tp 2458364.721157087859
(2018-Sep-03.22115709)
0.04382 TDB
node 79.65005175321025 0.0028404 deg
peri 318.7269752363209 0.0021398 deg
i .8588143673194679 0.00099756 deg
  Orbit Determination Parameters
   # obs. used (total)      33  
   data-arc span      1 day  
   first obs. used      2018-06-01  
   last obs. used      2018-06-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .51642  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Jun-03 18:42:03  

Additional Information
 Jupiter MOID = 4.29857 au 
 T_jup = 7.061 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.128581177708904E-7 -1.22288850644658E-7 -1.471565801333151E-5 -1.1291091728922E-7 5.83937466731311E-7 3.20317783277866E-7
q -1.22288850644658E-7 1.325256950479935E-7 1.594034327610918E-5 1.110832275643845E-7 -6.293633130076035E-7 -3.458991333302672E-7
tp -1.471565801333151E-5 1.594034327610918E-5 .001920168322060928 1.783872069937346E-5 -7.707221500557663E-5 -4.209441615499884E-5
node -1.1291091728922E-7 1.110832275643845E-7 1.783872069937346E-5 8.067740097977956E-6 -3.614732981320919E-6 -1.146674523510005E-6
peri 5.83937466731311E-7 -6.293633130076035E-7 -7.707221500557663E-5 -3.614732981320919E-6 4.578638975268892E-6 1.96532833552014E-6
i 3.20317783277866E-7 -3.458991333302672E-7 -4.209441615499884E-5 -1.146674523510005E-6 1.96532833552014E-6 9.951216909292279E-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 26.0   n/a E2018L07  

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