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73678 (1988 TY)
Classification: Main-belt Asteroid          SPK-ID: 2073678
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 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .245207416491313 1.3949e-07  
a 2.419410724914866 2.545e-08 AU
q 1.826153271627117 3.2929e-07 AU
i 5.258472074851545 1.295e-05 deg
node 14.90240918640099 8.009e-05 deg
peri 1.612191413975366 8.2126e-05 deg
M 293.036259707679 2.7487e-05 deg
tp 2457056.181927544132
(2015-Feb-02.68192754)
0.00010844 JED
period 1374.557238201984
3.76
2.1688e-05
5.938e-08
d
yr
n .2619025166757732 4.1324e-09 deg/d
Q 3.012668178202615 3.169e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      370  
   data-arc span      8978 days (24.58 yr)  
   first obs. used      1988-10-07  
   last obs. used      2013-05-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51366  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Oct-23 18:49:10  

Additional Information
 Earth MOID = .826275 AU 
 T_jup = 3.467 
[ 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 15.7 mag n/a MPO263903  

73678 (1988 TY)          Discovered 1988-Oct-13 by Ueda, S., Kaneda, H. at Kushiro (399)
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1988 TY = 2003 SM16 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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