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11414 Allanchu (1999 JU26)
Classification: Main-belt Asteroid          SPK-ID: 2011414
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1203898599044509 2.8297e-08  
a 2.352544742714897 7.7702e-09 au
q 2.069322210720498 6.6657e-08 au
i .9091233439511631 3.1084e-06 deg
node 53.16880231606576 0.00023226 deg
peri 237.3429019583075 0.00023276 deg
M 245.8395595917079 1.6061e-05 deg
tp 2459418.444293223149
(2021-Jul-22.94429322)
5.9454e-05 TDB
period 1317.969210894923
3.61
6.5297e-06
1.788e-08
d
yr
n .2731475037687366 1.3533e-09 deg/d
Q 2.635767274709295 8.7057e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1438  
   data-arc span      15203 days (41.62 yr)  
   first obs. used      1978-09-06  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52278  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 03:32:36  

Additional Information
 Earth MOID = 1.05323 au 
 Jupiter MOID = 2.50677 au 
 T_jup = 3.547 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.3   n/a MPO412266  
diameter diameter 4.245 km 0.113 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.074   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

11414 Allanchu           Discovered 1999 May 10 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Allan Chu (b. 1984) is a finalist in the 2002 Intel International Science and Engineering Fair for his computer science project. He attends the Saratoga High School, Saratoga, California, U.S.A.
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

Alternate Designations
 1999 JU26 = 1978 RU15 = 1981 JE6 = 1995 DK6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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