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58270 (1993 TK22)
Classification: Main-belt Asteroid          SPK-ID: 2058270
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1792507321307833 3.5203e-08  
a 2.421124471131587 1.0385e-08 au
q 1.987136137101495 8.8165e-08 au
i 3.038722625190893 3.9202e-06 deg
node 40.24410394063019 7.0628e-05 deg
peri 53.18617210244637 7.1719e-05 deg
M 327.9708906214087 1.582e-05 deg
tp 2459122.923971633978
(2020-Sep-30.42397163)
6.1032e-05 TDB
period 1376.01796126404
3.77
8.8532e-06
2.424e-08
d
yr
n .2616244919283583 1.6833e-09 deg/d
Q 2.85511280516168 1.2246e-08 au
  Orbit Determination Parameters
   # obs. used (total)      808  
   data-arc span      10810 days (29.60 yr)  
   first obs. used      1991-03-12  
   last obs. used      2020-10-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55968  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 22:51:41  

Additional Information
 Earth MOID = 1.00558 au 
 Jupiter MOID = 2.33251 au 
 T_jup = 3.489 
[ 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 15.4   n/a MPO439476  

58270 (1993 TK22)          Discovered 1993-Oct-09 by Elst, E. W. at La Silla
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1993 TK22 = 1997 XT9 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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