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186641 (2003 LL4)
Classification: Main-belt Asteroid          SPK-ID: 2186641
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | 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.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2045868654288507 4.439e-08  
a 3.035989364180218 3.1912e-08 au
q 2.414865816687258 1.3e-07 au
i 16.96189011546845 4.7249e-06 deg
node 113.0704516490491 1.9221e-05 deg
peri 151.5227003854335 2.4121e-05 deg
M 148.6703835096528 1.7981e-05 deg
tp 2458598.559044384905
(2019-Apr-25.05904438)
8.9607e-05 TDB
period 1932.185397253538
5.29
3.0465e-05
8.341e-08
d
yr
n .1863175244527331 2.9377e-09 deg/d
Q 3.657112911673178 3.8441e-08 au
  Orbit Determination Parameters
   # obs. used (total)      425  
   data-arc span      6912 days (18.92 yr)  
   first obs. used      2002-02-10  
   last obs. used      2021-01-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5244  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:52:05  

Additional Information
 Earth MOID = 1.41152 au 
 Jupiter MOID = 1.56243 au 
 T_jup = 3.144 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.21   n/a MPCxxxxx  

186641 (2003 LL4)          Discovered 2003-Jun-03 by LINEAR at Socorro
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

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