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186906 (2004 LC20)
Classification: Main-belt Asteroid          SPK-ID: 2186906
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .262054192891763 5.2866e-08  
a 2.625716210270356 2.3137e-08 au
q 1.937636268025139 1.4348e-07 au
i 17.47678865365754 5.3881e-06 deg
node 77.97118363297466 1.9356e-05 deg
peri 264.9283273624194 2.1321e-05 deg
M 260.1784582999471 1.2898e-05 deg
tp 2459631.415263156438
(2022-Feb-20.91526316)
5.9022e-05 TDB
period 1554.068311251453
4.25
2.0541e-05
5.624e-08
d
yr
n .2316500487099572 3.0619e-09 deg/d
Q 3.313796152515572 2.92e-08 au
  Orbit Determination Parameters
   # obs. used (total)      416  
   data-arc span      7009 days (19.19 yr)  
   first obs. used      2001-12-09  
   last obs. used      2021-02-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54602  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:53:11  

Additional Information
 Earth MOID = 1.01815 au 
 Jupiter MOID = 2.3617 au 
 T_jup = 3.289 
[ 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 15.25   n/a MPCxxxxx  
diameter diameter 3.454 km 0.184 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.162   0.023 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

186906 (2004 LC20)          Discovered 2004-Jun-11 by LINEAR at Socorro
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

Alternate Designations
 2004 LC20 = 2001 YC154 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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