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JPL Small-Body Database Browser
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(2009 TJ4)
Classification: Apollo [NEO]          SPK-ID: 3471356
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1249371658553555 0.00017252  
a 1.089874310773688 0.00017886 au
q .9537085032470648 3.4314e-05 au
i 9.228074975329632 0.014133 deg
node 201.3844289585235 0.00070364 deg
peri 249.0424061012943 0.018158 deg
M 65.64214047918216 0.93884 deg
tp 2458924.721974602121
(2020-Mar-16.22197460)
1.0652 TDB
period 415.588049751184
1.14
0.10231
0.0002801
d
yr
n .8662424249579239 0.00021324 deg/d
Q 1.226040118300312 0.00020121 au
  Orbit Determination Parameters
   # obs. used (total)      39  
   data-arc span      4 days  
   first obs. used      2009-10-14  
   last obs. used      2009-10-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .3794  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 08:59:41  

Additional Information
 Earth MOID = .0260574 au 
 Jupiter MOID = 3.87587 au 
 T_jup = 5.671 
[ 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 26.1   n/a MPO164405  

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