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(2009 LD)
Classification: Aten [NEO]          SPK-ID: 3462504
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ hide orbit diagram ]

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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1504851090546927 0.00023027  
a .9880017913294066 6.2014e-05 au
q .8393222340149691 0.00017748 au
i 9.79183180216962 0.02007 deg
node 244.58088331542 0.00063131 deg
peri 254.0724181630169 0.032464 deg
M 3.273717196425821 0.5237 deg
tp 2459197.238077159173
(2020-Dec-13.73807716)
0.5215 TDB
period 358.7030131924413
0.98
0.033772
9.246e-05
d
yr
n 1.003615767807512 9.449e-05 deg/d
Q 1.136681348643844 7.1346e-05 au
  Orbit Determination Parameters
   # obs. used (total)      28  
   data-arc span      3 days  
   first obs. used      2009-06-02  
   last obs. used      2009-06-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      6  
   norm. resid. RMS      .46579  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 02:46:50  

Additional Information
 Earth MOID = .0055864 au 
 Jupiter MOID = 3.88557 au 
 T_jup = 6.116 
[ 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 26.2   n/a MPO159145  

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