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58269 (1993 TG20)
Classification: Main-belt Asteroid          SPK-ID: 2058269
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2156287411546725 3.6958e-08  
a 2.388326950017712 7.9563e-09 au
q 1.873335016319615 8.7577e-08 au
i 2.964768198798488 3.371e-06 deg
node 55.56650334533772 7.0759e-05 deg
peri 287.2650435852132 7.1097e-05 deg
M 155.1222700574809 7.6446e-06 deg
tp 2458619.587466672146
(2019-May-16.08746667)
2.7522e-05 TDB
period 1348.152730878259
3.69
6.7367e-06
1.844e-08
d
yr
n .2670320593168081 1.3344e-09 deg/d
Q 2.90331888371581 9.6719e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1325  
   data-arc span      11027 days (30.19 yr)  
   first obs. used      1991-01-11  
   last obs. used      2021-03-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52518  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 06:41:26  

Additional Information
 Earth MOID = .866308 au 
 Jupiter MOID = 2.50713 au 
 T_jup = 3.500 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.42   n/a MPCxxxxx  

58269 (1993 TG20)          Discovered 1993-Oct-09 by Elst, E. W. at La Silla
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1993 TG20 = 1997 WL53 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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