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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 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1942889679079876 1.4762e-07  
a 2.439210171905829 3.1379e-08 AU
q 1.965298545095581 3.6459e-07 AU
i 2.72577210438141 1.4803e-05 deg
node 189.97172399 0.00017983 deg
peri 170.7391842041182 0.00018326 deg
M 157.5214722926825 2.4339e-05 deg
tp 2456191.651105107816
(2012-Sep-21.15110511)
9.4909e-05 JED
period 1391.464915677837
3.81
2.6851e-05
7.351e-08
d
yr
n .2587201415887874 4.9925e-09 deg/d
Q 2.913121798716078 3.7476e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      147  
   data-arc span      7465 days (20.44 yr)  
   first obs. used      1993-10-22  
   last obs. used      2014-03-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .68668  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Apr-17 16:38:53  

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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