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12042 Laques (1997 FC)
Classification: Main-belt Asteroid          SPK-ID: 2012042
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06395394000646613 3.3548e-08  
a 2.993365494710738 1.4767e-08 au
q 2.801927977444581 9.8032e-08 au
i 11.86209845309413 3.844e-06 deg
node 128.8094079974143 1.7835e-05 deg
peri 96.61266247480968 3.5935e-05 deg
M 119.2230184483564 3.2062e-05 deg
tp 2458374.036660506660
(2018-Sep-12.53666051)
0.00016717 TDB
period 1891.63808426217
5.18
1.3998e-05
3.832e-08
d
yr
n .1903112455786792 1.4083e-09 deg/d
Q 3.184803011976894 1.5711e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2173  
   data-arc span      9071 days (24.84 yr)  
   first obs. used      1996-01-15  
   last obs. used      2020-11-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48214  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 02:47:51  

Additional Information
 Earth MOID = 1.82385 au 
 Jupiter MOID = 1.91473 au 
 T_jup = 3.220 
[ 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 13.1   n/a MPO309246  
diameter diameter 10.166 km 1.596 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.108   0.039 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

12042 Laques           Discovered 1997 Mar. 17 by C. Buil at Ramonville St Agne.
Pierre Laques (b. 1934) started his career at the private observatory of the Chateau D´Abadia near Hendaye, moving to the Pic du Midi, where the 1-m telescope had just been built. He is one of the codiscoverers of the satellite Saturn XII (Helène).
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20000726/MPCPages.arcLast Updated: 2013-03-29

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Alternate Designations
 1997 FC = 1996 AS3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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