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JPL Small-Body Database Browser
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441708 (2009 AB32)
Classification: Main-belt Asteroid          SPK-ID: 2441708
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1666395452667758 9.9475e-08  
a 2.709815115356551 6.3695e-08 au
q 2.2582527567765 2.3954e-07 au
i 9.534958127887284 1.0098e-05 deg
node 307.4394407683937 5.802e-05 deg
peri 283.3654262331961 7.2926e-05 deg
M 22.27690889524992 3.5329e-05 deg
tp 2458499.676830416335
(2019-Jan-16.17683042)
0.00016096 TDB
period 1629.325739077685
4.46
5.7446e-05
1.573e-07
d
yr
n .2209502933426841 7.7902e-09 deg/d
Q 3.161377473936602 7.4309e-08 au
  Orbit Determination Parameters
   # obs. used (total)      69  
   data-arc span      4639 days (12.70 yr)  
   first obs. used      2006-09-17  
   last obs. used      2019-05-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60272  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:42:19  

Additional Information
 Earth MOID = 1.27063 au 
 Jupiter MOID = 1.97149 au 
 T_jup = 3.324 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456815.5 (2014-Jun-07.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1652826011465055 9.9689e-08  
q 2.261168688051721 2.3954e-07 au
tp 2456870.720357892222
(2014-Aug-01.22035789)
0.00018907 TDB
node 307.4936565222726 5.8031e-05 deg
peri 283.2979767578311 7.3195e-05 deg
i 9.533357724124059 1.0099e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      69  
   data-arc span      4639 days (12.70 yr)  
   first obs. used      2006-09-17  
   last obs. used      2019-05-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60272  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:42:19  

Additional Information
 Jupiter MOID = 1.97149 au 
 T_jup = 3.324 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.937996336996394E-15 -2.352684042520752E-14 -1.222413141462292E-11 -1.010649659079945E-13 -2.964146637386034E-12 -3.897289256733896E-14
q -2.352684042520752E-14 5.738030126970667E-14 2.728439649390802E-11 2.293747657874695E-13 6.638239319517466E-12 9.262360612407969E-14
tp -1.222413141462292E-11 2.728439649390802E-11 3.574928199678228E-8 1.28348996719874E-10 8.554212260924315E-9 6.58609180148793E-11
node -1.010649659079945E-13 2.293747657874695E-13 1.28348996719874E-10 3.36761490979821E-9 -3.286563870296601E-9 2.411990067458098E-10
peri -2.964146637386034E-12 6.638239319517466E-12 8.554212260924315E-9 -3.286563870296601E-9 5.357449205128347E-9 -2.216844097067772E-10
i -3.897289256733896E-14 9.262360612407969E-14 6.58609180148793E-11 2.411990067458098E-10 -2.216844097067772E-10 1.019906755055292E-10

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 17.1   n/a MPO434639  

441708 (2009 AB32)          Discovered 2009-Jan-02 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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