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11694 Esterhuysen (1998 FO70)
Classification: Main-belt Asteroid          SPK-ID: 2011694
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1015547935606517 2.8913e-08  
a 2.32474563403286 8.0185e-09 au
q 2.088656571087627 6.7311e-08 au
i 3.727041225834004 4.2583e-06 deg
node 163.8711848512586 5.0951e-05 deg
peri 278.8909984807484 5.5408e-05 deg
M 193.9600548676982 2.1343e-05 deg
tp 2459597.633819077194
(2022-Jan-18.13381908)
7.7238e-05 TDB
period 1294.677462682258
3.54
6.6984e-06
1.834e-08
d
yr
n .2780615329892027 1.4386e-09 deg/d
Q 2.560834696978094 8.8328e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1448  
   data-arc span      15258 days (41.77 yr)  
   first obs. used      1978-09-06  
   last obs. used      2020-06-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5374  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 17:18:23  

Additional Information
 Earth MOID = 1.10847 au 
 Jupiter MOID = 2.61181 au 
 T_jup = 3.565 
[ 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 15.0   n/a MPO473925  
diameter diameter 2.478 km 0.681 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.416   0.238 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

11694 Esterhuysen           Discovered 1998 Mar. 20 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Stephanus Albertus Esterhuysen (b. 1983) is a finalist in the 2002 Intel International Science and Engineering Fair for his engineering project. He attends the Technical High School Potchefstroom, Viljoenskroon, Free State, South Africa.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20020724/MPCPages.arcLast Updated: 2003-10-02

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Alternate Designations
 1998 FO70 = 1978 RK14 = 1982 XC4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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