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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 ]

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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.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2157705036697814 3.69e-08  
a 2.388044161348736 7.951e-09 au
q 1.872774669868839 8.7428e-08 au
i 2.964879475405445 3.355e-06 deg
node 55.55992536494466 7.0597e-05 deg
peri 287.2936732436343 7.0928e-05 deg
M 207.4319928451834 7.7375e-06 deg
tp 2459967.745682028911
(2023-Jan-23.24568203)
3.038e-05 TDB
period 1347.913296932094
3.69
6.7318e-06
1.843e-08
d
yr
n .2670794930351787 1.3339e-09 deg/d
Q 2.903313652828634 9.6666e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1347  
   data-arc span      11128 days (30.47 yr)  
   first obs. used      1991-01-11  
   last obs. used      2021-06-30  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53103  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 22:10:39  

Additional Information
 Earth MOID = .866768 au 
 Jupiter MOID = 2.50718 au 
 T_jup = 3.500 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457374.5 (2015-Dec-18.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2169888444955682 3.6987e-08  
q 1.869369848019181 8.7744e-08 au
tp 2457271.483034274130
(2015-Sep-05.98303427)
2.561e-05 TDB
node 55.5793908310125 7.0603e-05 deg
peri 287.1863117882452 7.0928e-05 deg
i 2.96615487706881 3.3556e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1347  
   data-arc span      11128 days (30.47 yr)  
   first obs. used      1991-01-11  
   last obs. used      2021-06-30  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53103  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 22:10:39  

Additional Information
 Jupiter MOID = 2.50718 au 
 T_jup = 3.500 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.368025040441237E-15 -3.237476867697996E-15 1.940267657593633E-13 1.07043723259421E-15 1.785409076182234E-14 -1.770729774495215E-15
q -3.237476867697996E-15 7.699084025351068E-15 -4.468547805980638E-13 -3.540070512866185E-15 -3.784159896595429E-14 4.251291992565622E-15
tp 1.940267657593633E-13 -4.468547805980638E-13 6.558558856004758E-10 -8.577800424699752E-14 1.856460418899628E-10 -5.817385692764361E-13
node 1.07043723259421E-15 -3.540070512866185E-15 -8.577800424699752E-14 4.984758389852176E-9 -4.977890844599439E-9 -5.681787284117009E-11
peri 1.785409076182234E-14 -3.784159896595429E-14 1.856460418899628E-10 -4.977890844599439E-9 5.030752342465338E-9 5.664941617383821E-11
i -1.770729774495215E-15 4.251291992565622E-15 -5.817385692764361E-13 -5.681787284117009E-11 5.664941617383821E-11 1.126027330951078E-11

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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