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120509 (1993 TJ16)
Classification: Main-belt Asteroid          SPK-ID: 2120509
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09284731102297866 4.4414e-08  
a 2.467511060391364 1.5066e-08 au
q 2.238409293514568 1.1287e-07 au
i 5.855245285817174 4.7895e-06 deg
node 19.9469048536163 4.6264e-05 deg
peri 27.10322930325279 5.31e-05 deg
M 289.8544247263316 2.8536e-05 deg
tp 2459276.357546623131
(2021-Mar-02.85754662)
0.000113 TDB
period 1415.751690635945
3.88
1.2967e-05
3.55e-08
d
yr
n .2542818789347803 2.3289e-09 deg/d
Q 2.696612827268161 1.6465e-08 au
  Orbit Determination Parameters
   # obs. used (total)      401  
   data-arc span      9790 days (26.80 yr)  
   first obs. used      1993-10-09  
   last obs. used      2020-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57788  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 10:09:47  

Additional Information
 Earth MOID = 1.24923 au 
 Jupiter MOID = 2.62037 au 
 T_jup = 3.473 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.1   n/a MPO436582  

120509 (1993 TJ16)          Discovered 1993-Oct-09 by Elst, E. W. at La Silla
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

[ show close-approach data ]
Alternate Designations
 1993 TJ16 = 2001 VB65 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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