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15619 Albertwu (2000 HE13)
Classification: Main-belt Asteroid          SPK-ID: 2015619
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09679746037250041 4.0396e-08  
a 2.637461858189535 1.0004e-08 au
q 2.382162248487453 1.0544e-07 au
i 2.172284153867982 4.0575e-06 deg
node 20.43710298703278 8.9305e-05 deg
peri 304.7894370292319 9.112e-05 deg
M 160.6936509506333 1.8405e-05 deg
tp 2458302.148732413120
(2018-Jul-02.64873241)
7.9533e-05 TDB
period 1564.507712930808
4.28
8.9011e-06
2.437e-08
d
yr
n .2301043305984145 1.3092e-09 deg/d
Q 2.892761467891618 1.0972e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1673  
   data-arc span      11446 days (31.34 yr)  
   first obs. used      1988-09-02  
   last obs. used      2020-01-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55347  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-28 23:52:04  

Additional Information
 Earth MOID = 1.37103 au 
 Jupiter MOID = 2.37544 au 
 T_jup = 3.389 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456534.5 (2013-Aug-30.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09846712588949379 4.0596e-08  
q 2.37739093769995 1.0617e-07 au
tp 2456733.861316235800
(2014-Mar-17.36131624)
7.7562e-05 TDB
node 20.46899764938359 8.9243e-05 deg
peri 303.899979413002 9.0992e-05 deg
i 2.174948218080857 4.0574e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1673  
   data-arc span      11446 days (31.34 yr)  
   first obs. used      1988-09-02  
   last obs. used      2020-01-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55347  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-28 23:52:04  

Additional Information
 Jupiter MOID = 2.37544 au 
 T_jup = 3.389 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.648021673073586E-15 -4.295240503607871E-15 9.124548709549202E-13 -4.735079998874775E-15 1.594266274524111E-13 5.179742833791402E-17
q -4.295240503607871E-15 1.127286610340589E-14 -2.414728576174887E-12 1.196825319016901E-14 -4.263363144053139E-13 -1.270260585950239E-16
tp 9.124548709549202E-13 -2.414728576174887E-12 6.015868054263363E-9 -2.99850818331104E-12 1.384675610403872E-9 -6.210598197717225E-13
node -4.735079998874775E-15 1.196825319016901E-14 -2.99850818331104E-12 7.964358944039502E-9 -7.95885981532793E-9 -7.494833510160842E-11
peri 1.594266274524111E-13 -4.263363144053139E-13 1.384675610403872E-9 -7.95885981532793E-9 8.279578482153631E-9 7.475120428304085E-11
i 5.179742833791402E-17 -1.270260585950239E-16 -6.210598197717225E-13 -7.494833510160842E-11 7.475120428304085E-11 1.646223912436316E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.6   n/a MPO412299  

15619 Albertwu           Discovered 2000 Apr. 28 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Named in honor of Albert Y. Wu for achievement as a finalist in the 2001 Discovery Young Scientist Challenge (DYSC), a middle school science competition. Albert is a student at the Keystone Junior High School, San Antonio, Texas.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20011002/MPCPages.arcLast Updated: 2009-05-11

Alternate Designations
 2000 HE13 = 1988 RT5 = 1995 DN11 = 1997 WV55 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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