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81971 Turonclavere (2000 QX68)
Classification: Main-belt Asteroid          SPK-ID: 2081971
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1302449960586049 7.9988e-08  
a 3.128708737029575 3.6106e-08 au
q 2.721210079906635 2.4243e-07 au
i 16.86173819599235 6.6878e-06 deg
node 138.1217132437019 2.7574e-05 deg
peri 199.8434525369137 4.0356e-05 deg
M 211.5196473926676 2.9955e-05 deg
tp 2459834.205408243999
(2022-Sep-11.70540824)
0.00017365 TDB
period 2021.371458899796
5.53
3.4991e-05
9.58e-08
d
yr
n .178096904660929 3.0829e-09 deg/d
Q 3.536207394152515 4.0809e-08 au
  Orbit Determination Parameters
   # obs. used (total)      309  
   data-arc span      10203 days (27.93 yr)  
   first obs. used      1992-02-26  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6722  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 19:25:18  

Additional Information
 Earth MOID = 1.71625 au 
 Jupiter MOID = 1.84085 au 
 T_jup = 3.135 
[ 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 14.9   n/a MPO341195  
diameter diameter 6.208 km 0.412 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.066   0.019 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

81971 Turonclavere           Discovered 2000 Aug. 22 by L. Šarounová and J. Montanné at St. Veran.
Marie-Helene Turon Clavere (b. 1949) is a schoolteacher and a skillful observer in the city of Bareges (French Pyrenees) in the foothills of the Pic du Midi Observatory, where she shares her enthusiasm for astronomy with many schools of the region. She also spends her time organizing national astronomical gatherings.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20041126/MPCPages.arcLast Updated: 2004-12-06

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Alternate Designations
 2000 QX68 = 2003 AV82 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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