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(2009 UC)
Classification: Aten [NEO]          SPK-ID: 3471585
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3472952070247319 0.00034807  
a .7597431550216219 0.00014507 au
q .4958879987127647 0.00035913 au
i 24.77858224128056 0.069664 deg
node 22.37436708911224 0.00059151 deg
peri 185.4338910181777 0.013582 deg
M 181.7107897564505 1.732 deg
tp 2459120.290170000930
(2020-Sep-27.79017000)
1.198 TDB
period 241.879254170375
0.66
0.069278
0.0001897
d
yr
n 1.488345915546866 0.00042629 deg/d
Q 1.023598311330479 0.00019545 au
  Orbit Determination Parameters
   # obs. used (total)      28  
   data-arc span      3 days  
   first obs. used      2009-10-16  
   last obs. used      2009-10-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .64454  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 08:59:35  

Additional Information
 Earth MOID = .0244673 au 
 Jupiter MOID = 3.93656 au 
 T_jup = 7.500 
[ show covariance matrix ]

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 26.6   n/a MPO164410  

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