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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1942889883961154 1.406e-07  
a 2.439210163628681 3.1095e-08 AU
q 1.965298488451741 3.4741e-07 AU
i 2.725769260409604 1.4296e-05 deg
node 189.9716171498657 0.00016758 deg
peri 170.7392874544886 0.00017112 deg
M 157.5214755613389 2.3503e-05 deg
tp 2456191.651095572947
(2012-Sep-21.15109557)
9.242e-05 JED
period 1391.464908595199
3.81
2.6607e-05
7.285e-08
d
yr
n .2587201429056881 4.9472e-09 deg/d
Q 2.91312183880562 3.7136e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      150  
   data-arc span      7477 days (20.47 yr)  
   first obs. used      1993-10-10  
   last obs. used      2014-03-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .70529  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-11 16:20:47  

Additional Information
 Earth MOID = .960903 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 (809)
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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