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(2013 LN31)
Classification: Apollo [NEO, PHA]          SPK-ID: 3644046
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .8017070917640596 5.7238e-08  
a 2.256434967380179 4.2397e-08 au
q .447435051927085 1.2474e-07 au
i 23.20008513735941 1.6248e-05 deg
node 100.8486730488355 1.3462e-05 deg
peri 278.7175098000847 1.6211e-05 deg
M 1.688183936556255 2.2363e-05 deg
tp 2458994.694362416677
(2020-May-25.19436242)
7.6744e-05 TDB
period 1238.034247772614
3.39
3.4893e-05
9.553e-08
d
yr
n .2907835551784509 8.1954e-09 deg/d
Q 4.065434882833273 7.6386e-08 au
  Orbit Determination Parameters
   # obs. used (total)      196  
   data-arc span      1345 days (3.68 yr)  
   first obs. used      2013-06-13  
   last obs. used      2017-02-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46834  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 08:45:34  

Additional Information
 Earth MOID = .0399869 au 
 Jupiter MOID = 2.24708 au 
 T_jup = 3.030 
[ show covariance matrix ]

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 20.0   n/a MPO283475  

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