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101860 (1999 LN2)
Classification: Inner Main-belt Asteroid          SPK-ID: 2101860
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06299387967987209 4.1829e-08  
a 1.945306733692075 6.864e-09 au
q 1.822764315369432 8.2293e-08 au
i 21.1912495616011 6.2304e-06 deg
node 213.4741695694245 1.143e-05 deg
peri 56.31852151284581 4.4916e-05 deg
M 246.679081616917 4.2682e-05 deg
tp 2459312.452267509798
(2021-Apr-07.95226751)		 0.00011757 TDB
period 991.0157621904019
2.71		 5.2452e-06
1.436e-08		 d
yr
n .3632636469921595 1.9227e-09 deg/d
Q 2.067849152014719 7.2964e-09 au
   Orbit Determination Parameters
   # obs. used (total)      574  
   data-arc span      7571 days (20.73 yr)  
   first obs. used      1999-05-09  
   last obs. used      2020-01-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6067  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 01:27:57  

Additional Information
 Earth MOID = .850009 au 
 Jupiter MOID = 2.95882 au 
 T_jup = 3.813 
[ show covariance matrix ]

[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.6   n/a MPO337995  

101860 (1999 LN2)          Discovered 1999-Jun-08 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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