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(2009 LB)
Classification: Mars-crossing Asteroid          SPK-ID: 3462460
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2454983.5 (2009-Jun-01.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5534210533720128 0.065397  
a 2.944842219206298 0.43234 au
q 1.315104536238773 0.023865 au
i 33.65693155240719 1.3989 deg
node 78.38535795365077 0.20716 deg
peri 195.5090056632819 4.6053 deg
M 353.6808687639236 1.2741 deg
tp 2455015.900099747652
(2009-Jul-03.40009975)
4.8393 TDB
period 1845.82903462486
5.05
406.48
1.113
d
yr
n .1950343142549847 0.04295 deg/d
Q 4.574579902173824 0.6716 au
  Orbit Determination Parameters
   # obs. used (total)      31  
   first obs. used      2009-06-01  
   last obs. used      2009-06-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      9  
   norm. resid. RMS      .40238  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 02:46:50  

Additional Information
 Earth MOID = .312373 au 
 Jupiter MOID = .674247 au 
 T_jup = 2.810 
[ 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 19.683   .24411 4 autocmod 2.9c

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