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JPL Small-Body Database Browser
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(2012 UU9)
Classification: Apollo [NEO]          SPK-ID: 3612168
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3880541788427488 0.00064955  
a 1.55196233786093 0.0014568 au
q .9497168672474343 0.00011663 au
i 2.646700407434179 0.0030813 deg
node 164.9822494576121 0.045085 deg
peri 175.8579458801622 0.044579 deg
M 198.8961103091709 2.4027 deg
tp 2459712.526658380503
(2022-May-13.02665838)
5.1581 TDB
period 706.1877725939072
1.93
0.99432
0.002722
d
yr
n .5097794297367674 0.00071778 deg/d
Q 2.154207808474426 0.0020221 au
  Orbit Determination Parameters
   # obs. used (total)      42  
   data-arc span      8 days  
   first obs. used      2012-10-16  
   last obs. used      2012-10-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .48357  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 06:59:25  

Additional Information
 Earth MOID = .0227599 au 
 Jupiter MOID = 3.25465 au 
 T_jup = 4.358 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456220.5 (2012-Oct-20.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3882542701275278 0.00068641  
q .9501135710710529 7.7349e-05 au
tp 2456180.826964357542
(2012-Sep-10.32696436)
0.0041796 TDB
node 165.1300230536637 0.012745 deg
peri 175.6562394672827 0.0078035 deg
i 2.646044443512637 0.0033533 deg
  Orbit Determination Parameters
   # obs. used (total)      42  
   data-arc span      8 days  
   first obs. used      2012-10-16  
   last obs. used      2012-10-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .48357  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 06:59:25  

Additional Information
 Jupiter MOID = 3.25465 au 
 T_jup = 4.358 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.711583495710504E-7 -5.305263720578332E-8 2.860490631785893E-6 -7.929353565106837E-6 3.538163976296231E-6 2.297741024833626E-6
q -5.305263720578332E-8 5.982853528776832E-9 -3.211896545098892E-7 8.773329484435001E-7 -3.813111795841657E-7 -2.592963693851934E-7
tp 2.860490631785893E-6 -3.211896545098892E-7 1.7469320214639E-5 -4.952336116042297E-5 2.303281720731494E-5 1.389830678187793E-5
node -7.929353565106837E-6 8.773329484435001E-7 -4.952336116042297E-5 .0001624441242704592 -9.106399725038711E-5 -3.760524357410922E-5
peri 3.538163976296231E-6 -3.813111795841657E-7 2.303281720731494E-5 -9.106399725038711E-5 6.089451284074735E-5 1.609681628649799E-5
i 2.297741024833626E-6 -2.592963693851934E-7 1.389830678187793E-5 -3.760524357410922E-5 1.609681628649799E-5 1.124493662317245E-5

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 23.9   n/a MPO245983  

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