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10811 Lau (1993 FM19)
Classification: Main-belt Asteroid          SPK-ID: 2010811
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 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2182440528040021 2.1534e-08  
a 2.931994149232299 1.3721e-08 au
q 2.29210386330622 6.7375e-08 au
i 7.202495378095562 8.3779e-07 deg
node 120.1446507117158 2.3051e-06 deg
peri 291.0777438003147 5.2883e-06 deg
M 313.4028119284263 6.8203e-06 deg
tp 2459437.856038473381
(2021-Aug-11.35603847)
3.5557e-05 TDB
period 1833.762451913796
5.02
1.2872e-05
3.524e-08
d
yr
n .1963176853273923 1.3781e-09 deg/d
Q 3.571884435158378 1.6715e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2321  
   data-arc span      14245 days (39.00 yr)  
   first obs. used      1982-01-19  
   last obs. used      2021-01-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46487  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 22:21:02  

Additional Information
 Earth MOID = 1.31422 au 
 Jupiter MOID = 1.8523 au 
 T_jup = 3.228 
[ 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 12.61   n/a E2021B10  
diameter diameter 7.673 km 0.063 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.274   0.024 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

10811 Lau           Discovered 1993 Mar. 17 at the European Southern Observatory in the course of the Uppsala-ESO Survey of Asteroids and Comets.
Lau is a parish on southern Gotland. The resonating echo in its large church lasts for up to twelve seconds.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20060219/MPCPages.arcLast Updated: 2010-06-03

[ show close-approach data ]
Alternate Designations
 1993 FM19 = 1982 BK9 = 1990 RE12 = 1991 YQ 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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