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180746 (2004 LA11)
Classification: Main-belt Asteroid          SPK-ID: 2180746
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1615879069333397 4.9369e-08  
a 3.104257447470918 3.1619e-08 au
q 2.602646983951861 1.6946e-07 au
i 4.903567682711569 5.0905e-06 deg
node 178.0175631878177 5.8411e-05 deg
peri 130.4424016419054 6.1733e-05 deg
M 318.9013079418071 2.2575e-05 deg
tp 2459428.565988958097
(2021-Aug-02.06598896)
0.00012754 TDB
period 1997.721871748658
5.47
3.0523e-05
8.357e-08
d
yr
n .1802052653530207 2.7533e-09 deg/d
Q 3.605867910989975 3.6729e-08 au
  Orbit Determination Parameters
   # obs. used (total)      395  
   data-arc span      6260 days (17.14 yr)  
   first obs. used      2003-03-31  
   last obs. used      2020-05-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57992  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:27:46  

Additional Information
 Earth MOID = 1.58958 au 
 Jupiter MOID = 1.69183 au 
 T_jup = 3.195 
[ 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 15.58   n/a E2021B55  
diameter diameter 2.765 km 0.542 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.160   0.047 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

180746 (2004 LA11)          Discovered 2004-Jun-10 by CINEOS at Campo Imperatore
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

[ show close-approach data ]
Alternate Designations
 2004 LA11 = 2005 SA30 = 2005 UL198 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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