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120314 (2004 LQ4)
Classification: Main-belt Asteroid          SPK-ID: 2120314
[ 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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1381693808198128 3.9372e-08  
a 2.652065526134735 2.0562e-08 au
q 2.285631274495127 1.0769e-07 au
i 12.98780986868375 4.5174e-06 deg
node 173.6117199565091 1.9285e-05 deg
peri 86.39054958575103 2.5479e-05 deg
M 294.326209911795 2.0142e-05 deg
tp 2459488.282500607044
(2021-Sep-30.78250061)		 8.9965e-05 TDB
period 1577.519739296162
4.32		 1.8346e-05
5.023e-08		 d
yr
n .2282063362076346 2.6539e-09 deg/d
Q 3.018499777774342 2.3403e-08 au
   Orbit Determination Parameters
   # obs. used (total)      574  
   data-arc span      7588 days (20.77 yr)  
   first obs. used      2000-06-05  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55712  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 17:05:53  

Additional Information
 Earth MOID = 1.31451 au 
 Jupiter MOID = 2.13819 au 
 T_jup = 3.340 
[ 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 15.32   n/a E2021B55  

120314 (2004 LQ4)          Discovered 2004-Jun-11 by Spacewatch at Kitt Peak
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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