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20843 Kuotzuhao (2000 UZ78)
Classification: Main-belt Asteroid          SPK-ID: 2020843
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 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1457387026920402 2.7556e-08  
a 2.394936070873798 7.5907e-09 au
q 2.045901194874279 6.6085e-08 au
i 2.041269291269192 3.7991e-06 deg
node 323.8348029034212 9.1364e-05 deg
peri 299.5635102617864 9.2373e-05 deg
M 297.3513937555101 1.4215e-05 deg
tp 2459436.085321364599
(2021-Aug-09.58532136)
5.3813e-05 TDB
period 1353.752633542666
3.71
6.436e-06
1.762e-08
d
yr
n .2659274605124187 1.2643e-09 deg/d
Q 2.743970946873318 8.6969e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1587  
   data-arc span      10961 days (30.01 yr)  
   first obs. used      1991-03-12  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54131  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:32:43  

Additional Information
 Earth MOID = 1.02943 au 
 Jupiter MOID = 2.32743 au 
 T_jup = 3.514 
[ 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 14.91   n/a E2021B10  
diameter diameter 6.543 km 0.116 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.039   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

20843 Kuotzuhao           Discovered 2000 Oct. 24 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Kuo Tzu-Hao (b. 1987) was awarded second place in the 2004 Intel International Science and Engineering Fair for his mathematics team project. He attends the Dominic High School, Kaoshung, Taiwan.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20041226/MPCPages.arcLast Updated: 2004-12-25

[ show close-approach data ]
Alternate Designations
 2000 UZ78 = 1991 EO4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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