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(2018 LU2)
Classification: Apollo [NEO]          SPK-ID: 3825134
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 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3259807069363604 0.00016931  
a 1.212498987295415 0.00020537 au
q .8172477102572346 6.6862e-05 au
i 6.953534875708061 0.003283 deg
node 253.7047827901677 3.9831e-05 deg
peri 284.0086072618685 0.0025541 deg
M 218.4236729334721 0.15417 deg
tp 2459192.282353601484
(2020-Dec-08.78235360)
0.25757 TDB
period 487.6637833957297
1.34
0.1239
0.0003392
d
yr
n .7382135238611045 0.00018756 deg/d
Q 1.607750264333596 0.00027232 au
  Orbit Determination Parameters
   # obs. used (total)      42  
   data-arc span      15 days  
   first obs. used      2018-06-07  
   last obs. used      2018-06-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      6  
   norm. resid. RMS      .36801  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Jul-04 06:40:56  

Additional Information
 Earth MOID = .00389087 au 
 Jupiter MOID = 3.37517 au 
 T_jup = 5.197 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458289.5 (2018-Jun-20.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3260875973142836 0.00016939  
q .8172102288595656 6.6685e-05 au
tp 2458216.912438673184
(2018-Apr-08.41243867)
0.0094711 TDB
node 253.7174030517993 4.2045e-05 deg
peri 284.0109895225468 0.0025541 deg
i 6.955540683918771 0.0032808 deg
  Orbit Determination Parameters
   # obs. used (total)      42  
   data-arc span      15 days  
   first obs. used      2018-06-07  
   last obs. used      2018-06-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      6  
   norm. resid. RMS      .36801  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Jul-04 06:40:56  

Additional Information
 Jupiter MOID = 3.37517 au 
 T_jup = 5.197 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.869357813212344E-8 -1.129583267001234E-8 1.604320291857473E-6 -5.594496789730085E-9 4.325386293444901E-7 5.557452025889972E-7
q -1.129583267001234E-8 4.446882486582261E-9 -6.315701284248972E-7 2.200706215860598E-9 -1.702676305719401E-7 -2.187816244404805E-7
tp 1.604320291857473E-6 -6.315701284248972E-7 8.970158018272881E-5 -3.128287740595775E-7 2.418522078676982E-5 3.107288169236149E-5
node -5.594496789730085E-9 2.200706215860598E-9 -3.128287740595775E-7 1.767773382476256E-9 -8.522317613949453E-8 -1.080936397930301E-7
peri 4.325386293444901E-7 -1.702676305719401E-7 2.418522078676982E-5 -8.522317613949453E-8 6.523305826606157E-6 8.377140413089584E-6
i 5.557452025889972E-7 -2.187816244404805E-7 3.107288169236149E-5 -1.080936397930301E-7 8.377140413089584E-6 1.076397184395261E-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 26.8   n/a E2018N10  

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