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JPL Small-Body Database Browser
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39605 (1993 TX23)
Classification: Main-belt Asteroid          SPK-ID: 2039605
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1368335803853051 4.056e-08  
a 3.058407936712326 2.4246e-08 au
q 2.639915028453145 1.2457e-07 au
i 4.11661498599922 4.5411e-06 deg
node 96.72152703238619 5.7908e-05 deg
peri 195.0395464258846 6.0039e-05 deg
M 65.10543935477041 1.499e-05 deg
tp 2458647.189684032831
(2019-Jun-12.68968403)
8.2066e-05 TDB
period 1953.626532724737
5.35
2.3231e-05
6.36e-08
d
yr
n .1842726815845941 2.1913e-09 deg/d
Q 3.476900844971507 2.7564e-08 au
  Orbit Determination Parameters
   # obs. used (total)      645  
   data-arc span      9520 days (26.06 yr)  
   first obs. used      1993-10-09  
   last obs. used      2019-11-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58471  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 02:32:17  

Additional Information
 Earth MOID = 1.62397 au 
 Jupiter MOID = 1.69892 au 
 T_jup = 3.216 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457070.5 (2015-Feb-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1383821198212759 4.0182e-08  
q 2.635497975867386 1.2392e-07 au
tp 2456698.493836230528
(2014-Feb-09.99383623)
8.9436e-05 TDB
node 96.7808705292459 5.8008e-05 deg
peri 196.0246027733352 6.0124e-05 deg
i 4.114124317438546 4.5367e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      645  
   data-arc span      9520 days (26.06 yr)  
   first obs. used      1993-10-09  
   last obs. used      2019-11-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58471  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 02:32:17  

Additional Information
 Jupiter MOID = 1.69892 au 
 T_jup = 3.216 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.614633190287612E-15 -4.906784284041784E-15 5.479781637949204E-15 8.611492028617206E-15 -1.084291272114936E-14 -1.421417145117726E-16
q -4.906784284041784E-15 1.535637018937662E-14 -8.756080122876979E-13 -2.681557212749486E-14 -1.004071116572192E-13 7.867602317076424E-16
tp 5.479781637949204E-15 -8.756080122876979E-13 7.998886751523378E-9 2.523015309422605E-12 1.433668583766596E-9 3.863588938722801E-13
node 8.611492028617206E-15 -2.681557212749486E-14 2.523015309422605E-12 3.364915521352241E-9 -3.355496796176031E-9 9.831027395073476E-12
peri -1.084291272114936E-14 -1.004071116572192E-13 1.433668583766596E-9 -3.355496796176031E-9 3.614835499796231E-9 -9.711353972724381E-12
i -1.421417145117726E-16 7.867602317076424E-16 3.863588938722801E-13 9.831027395073476E-12 -9.711353972724381E-12 2.05813818466478E-11

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 14.6   n/a MPO439362  

39605 (1993 TX23)          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 TX23 = 1997 LW9 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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