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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .194472895177819 1.4062e-07  
a 2.438846540944051 3.0798e-08 AU
q 1.964556993232252 3.4732e-07 AU
i 2.72619752193532 1.4297e-05 deg
node 189.969472199152 0.00016755 deg
peri 170.711161153274 0.00017108 deg
M 209.3159602404317 2.343e-05 deg
tp 2457582.790751414803
(2016-Jul-13.29075141)
9.1018e-05 JED
period 1391.153773444133
3.81
2.6351e-05
7.215e-08
d
yr
n .2587780063369516 4.9018e-09 deg/d
Q 2.91313608865585 3.6787e-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 = .961673 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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