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186904 (2004 LQ15)
Classification: Main-belt Asteroid          SPK-ID: 2186904
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1810473676495641 6.0529e-08  
a 2.541787973370689 1.3684e-08 au
q 2.081603951668606 1.5634e-07 au
i 5.39921265988101 3.6911e-06 deg
node 127.6440248062587 6.4683e-05 deg
peri 142.529152517481 6.6037e-05 deg
M 18.81500359037776 1.4911e-05 deg
tp 2459123.141291190479
(2020-Sep-30.64129119)
6.1176e-05 TDB
period 1480.155719219207
4.05
1.1953e-05
3.273e-08
d
yr
n .2432176529303976 1.9641e-09 deg/d
Q 3.001971995072773 1.6162e-08 au
  Orbit Determination Parameters
   # obs. used (total)      411  
   data-arc span      9330 days (25.54 yr)  
   first obs. used      1995-01-31  
   last obs. used      2020-08-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56557  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:53:11  

Additional Information
 Earth MOID = 1.06669 au 
 Jupiter MOID = 2.11272 au 
 T_jup = 3.416 
[ 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 16.64   n/a E2021B55  

186904 (2004 LQ15)          Discovered 2004-Jun-12 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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