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5193 Tanakawataru (1992 ET)
Classification: Main-belt Asteroid          SPK-ID: 2005193
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1591464528965821 5.6096e-08  
a 3.181038770783692 2.513e-08 AU
q 2.674787733886964 1.8083e-07 AU
i 2.709797180650374 6.1758e-06 deg
node 90.98018868439311 0.00013239 deg
peri 17.95496082229399 0.00013433 deg
M 21.21522818790412 2.0249e-05 deg
tp 2456678.377108935281
(2014-Jan-20.87710894)
0.00011635 JED
period 2072.296389834037
5.67
2.4556e-05
6.723e-08
d
yr
n .1737203238716403 2.0586e-09 deg/d
Q 3.68728980768042 2.9129e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1214  
   data-arc span      38218 days (104.64 yr)  
   first obs. used      1909-10-05  
   last obs. used      2014-05-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .47999  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-16 13:31:01  

Additional Information
 Earth MOID = 1.69136 AU 
 T_jup = 3.178 
[ 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 11.8 mag n/a PDS3 (MPC 28113)  

5193 Tanakawataru           Discovered 1992 Mar. 7 by S. Ueda and H. Kaneda at Kushiro.
Wataru Tanaka (b. 1939) was a professor at the National Astronomical Observatory of Japan who specialized in spectroscopic studies of planets and late-type stars.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20070601/MPCPages.arcLast Updated: 2007-06-06

[ show close-approach data ]
Alternate Designations
 1992 ET = 1952 DQ = 1952 FG = 1973 YY1 = 1975 FQ = 1979 YO8 = 1984 UQ4 = 1989 RA5 = 1990 VA14 = 1990 WF13 = A909 TD 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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