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JPL Small-Body Database Browser
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39602 (1993 TH20)
Classification: Main-belt Asteroid          SPK-ID: 2039602
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05796223030926087 4.6853e-08  
a 3.104614680080704 2.9932e-08 au
q 2.924664288972354 1.4811e-07 au
i 5.824322285254314 4.6185e-06 deg
node 46.85732381857144 5.1424e-05 deg
peri 293.02297336521 6.4816e-05 deg
M 349.4360439400359 4.1129e-05 deg
tp 2459059.131914081852
(2020-Jul-28.63191408)
0.0002285 TDB
period 1998.066723266774
5.47
2.8895e-05
7.911e-08
d
yr
n .1801741632588784 2.6056e-09 deg/d
Q 3.284565071189054 3.1667e-08 au
  Orbit Determination Parameters
   # obs. used (total)      738  
   data-arc span      9007 days (24.66 yr)  
   first obs. used      1993-10-09  
   last obs. used      2018-06-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58581  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 02:07:35  

Additional Information
 Earth MOID = 1.92279 au 
 Jupiter MOID = 1.96827 au 
 T_jup = 3.210 
[ 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 14.4   n/a MPO436047  

39602 (1993 TH20)          Discovered 1993-Oct-09 by Elst, E. W. at La Silla
Reference: 20020526/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1993 TH20 = 1999 VS168 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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