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120511 (1993 TA20)
Classification: Main-belt Asteroid          SPK-ID: 2120511
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0729281717023543 5.5812e-08  
a 2.518944971567091 1.2292e-08 au
q 2.335242920171864 1.4141e-07 au
i 2.774198881222318 3.574e-06 deg
node 96.73815229464883 0.00012275 deg
peri 305.9228797970901 0.00012882 deg
M 269.5459671570737 4.0099e-05 deg
tp 2459567.403521957987
(2021-Dec-18.90352196)
0.00016328 TDB
period 1460.247417981261
4.00
1.0688e-05
2.926e-08
d
yr
n .2465335638104992 1.8045e-09 deg/d
Q 2.702647022962318 1.3188e-08 au
  Orbit Determination Parameters
   # obs. used (total)      842  
   data-arc span      9808 days (26.85 yr)  
   first obs. used      1993-10-09  
   last obs. used      2020-08-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57134  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 17:56:42  

Additional Information
 Earth MOID = 1.34406 au 
 Jupiter MOID = 2.56176 au 
 T_jup = 3.452 
[ 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 15.7   n/a MPO325313  

120511 (1993 TA20)          Discovered 1993-Oct-09 by Elst, E. W. at La Silla
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

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Alternate Designations
 1993 TA20 = 2001 TO52 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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