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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2180884924018804 2.1563e-08  
a 2.931046524496063 1.3478e-08 au
q 2.291819006808945 6.7308e-08 au
i 7.202430752458581 8.3778e-07 deg
node 120.1435905834829 2.3053e-06 deg
peri 291.1469105415209 5.2983e-06 deg
M 351.8335285985955 6.9699e-06 deg
tp 2459438.078080877999
(2021-Aug-11.57808088)
3.5628e-05 TDB
period 1832.873511747726
5.02
1.2642e-05
3.461e-08
d
yr
n .1964128990312725 1.3547e-09 deg/d
Q 3.57027404218318 1.6417e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2322  
   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      .46621  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 16:26:08  

Additional Information
 Earth MOID = 1.31427 au 
 Jupiter MOID = 1.85445 au 
 T_jup = 3.229 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457309.5 (2015-Oct-14.0) TDB
Reference: JPL 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2236959939245671 2.1803e-08  
q 2.273718902272619 6.8276e-08 au
tp 2457597.400283896241
(2016-Jul-27.90028390)
2.9599e-05 TDB
node 120.4490106289369 2.3331e-06 deg
peri 289.788687046261 5.0626e-06 deg
i 7.177560327234754 8.3273e-07 deg
  Orbit Determination Parameters
   # obs. used (total)      2322  
   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      .46621  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 16:26:08  

Additional Information
 Jupiter MOID = 1.85445 au 
 T_jup = 3.229 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.753858248722092E-16 -1.473357429373571E-15 -3.203793248344447E-13 8.10954949571111E-16 -8.113919259203433E-15 -1.925021715285256E-16
q -1.473357429373571E-15 4.661619544566407E-15 1.010674495538326E-12 -1.555273768660436E-15 2.301744811524132E-14 1.310031774143861E-15
tp -3.203793248344447E-13 1.010674495538326E-12 8.760797735101571E-10 1.235687881163123E-11 1.217351592838909E-10 1.209116089232307E-11
node 8.10954949571111E-16 -1.555273768660436E-15 1.235687881163123E-11 5.443312282670617E-12 -2.558212844339448E-12 1.310163476930007E-12
peri -8.113919259203433E-15 2.301744811524132E-14 1.217351592838909E-10 -2.558212844339448E-12 2.563031122393282E-11 9.362159189303703E-13
i -1.925021715285256E-16 1.310031774143861E-15 1.209116089232307E-11 1.310163476930007E-12 9.362159189303703E-13 6.934330156197085E-13

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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