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189412 (1993 TZ43)
Classification: Main-belt Asteroid          SPK-ID: 2189412
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1945317697968061 1.3527e-07  
a 2.439503579165891 3.0249e-08 au
q 1.964942630485107 3.3583e-07 au
i 2.726258806875437 1.369e-05 deg
node 189.9621061508021 0.00016342 deg
peri 170.623718586527 0.00016654 deg
M 4.650942404287915 2.2663e-05 deg
tp 2457582.520025273252
(2016-Jul-13.02002527)
8.7556e-05 JED
period 1391.71598763764
3.81
2.5885e-05
7.087e-08
d
yr
n .2586734672862959 4.8112e-09 deg/d
Q 2.914064527846674 3.6133e-08 au
  Orbit Determination Parameters
   # obs. used (total)      157  
   data-arc span      7897 days (21.62 yr)  
   first obs. used      1993-10-10  
   last obs. used      2015-05-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .69954  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jun-04 22:28:13  

Additional Information
 Earth MOID = .960812 au 
 Jupiter MOID = 2.5327 au 
 T_jup = 3.475 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.9 mag n/a MPO251469  

189412 (1993 TZ43)          Discovered 1993-Oct-10 by Debehogne, H., Elst, E. W. at La Silla
Reference: 20080819/Numbers.arcLast Updated: 2008-08-25

[ show close-approach data ]
Alternate Designations
 1993 TZ43 = 1997 WT26 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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