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146860 (2002 AL149)
Classification: Main-belt Asteroid          SPK-ID: 2146860
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0271776021246612 6.6656e-08  
a 2.974619466489364 2.6424e-08 au
q 2.893776442156843 1.9174e-07 au
i 11.30428464168859 7.1671e-06 deg
node 106.8487853296728 4.4964e-05 deg
peri 126.6759914216536 0.000179 deg
M 91.84948828894382 0.00017355 deg
tp 2458522.398847283810
(2019-Feb-07.89884728)
0.00090387 TDB
period 1873.896286023692
5.13
2.4969e-05
6.836e-08
d
yr
n .1921130868794776 2.5598e-09 deg/d
Q 3.055462490821884 2.7142e-08 au
  Orbit Determination Parameters
   # obs. used (total)      231  
   data-arc span      7241 days (19.82 yr)  
   first obs. used      2000-10-01  
   last obs. used      2020-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61785  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 11:32:50  

Additional Information
 Earth MOID = 1.89253 au 
 Jupiter MOID = 2.02706 au 
 T_jup = 3.232 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457008.5 (2014-Dec-17.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02522274228407162 6.4069e-08  
q 2.900942558139787 1.8314e-07 au
tp 2456673.724515038421
(2014-Jan-16.22451504)
0.0010027 TDB
node 106.9211478025067 4.5053e-05 deg
peri 131.8353951602503 0.00019679 deg
i 11.29167308281452 7.1529e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      231  
   data-arc span      7241 days (19.82 yr)  
   first obs. used      2000-10-01  
   last obs. used      2020-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61785  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 11:32:50  

Additional Information
 Jupiter MOID = 2.02706 au 
 T_jup = 3.232 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.104830740105154E-15 -1.163063345748549E-14 -2.492060393283081E-11 -1.338556777053968E-15 -4.807665268778474E-12 2.3297205026582E-15
q -1.163063345748549E-14 3.353864804288218E-14 6.941300088599457E-11 1.791856572478164E-14 1.339480741614702E-11 -2.971394966090871E-15
tp -2.492060393283081E-11 6.941300088599457E-11 1.00546681647461E-6 1.138342274371409E-10 1.922197389159298E-7 -3.134495861052941E-11
node -1.338556777053968E-15 1.791856572478164E-14 1.138342274371409E-10 2.029771805864911E-9 -1.967629787245192E-9 1.309756116432844E-10
peri -4.807665268778474E-12 1.339480741614702E-11 1.922197389159298E-7 -1.967629787245192E-9 3.872493070323285E-8 -1.340297355725859E-10
i 2.3297205026582E-15 -2.971394966090871E-15 -3.134495861052941E-11 1.309756116432844E-10 -1.340297355725859E-10 5.116348134474462E-11

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 15.6   n/a MPO475272  

146860 (2002 AL149)          Discovered 2002-Jan-14 by LINEAR at Socorro
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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