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16504 (1990 TR5)
Classification: Main-belt Asteroid          SPK-ID: 2016504
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2547302156131328 6.5286e-08  
a 2.270227070921256 1.1794e-08 au
q 1.691931639654713 1.4595e-07 au
i 5.838289786561111 6.9659e-06 deg
node 234.8292683271935 6.3064e-05 deg
peri 98.56274089426365 6.4635e-05 deg
M 154.5797893108113 1.2162e-05 deg
tp 2456864.021175870556
(2014-Jul-25.52117587)
4.1775e-05 JED
period 1249.402509523876
3.42
9.7361e-06
2.666e-08
d
yr
n .2881377276384608 2.2453e-09 deg/d
Q 2.848522502187798 1.4798e-08 au
  Orbit Determination Parameters
   # obs. used (total)      716  
   data-arc span      9224 days (25.25 yr)  
   first obs. used      1990-09-18  
   last obs. used      2015-12-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .57773  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 13:34:04  

Additional Information
 Earth MOID = .69252 au 
 Jupiter MOID = 2.55525 au 
 T_jup = 3.563 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.0 mag n/a MPO309282  

16504 (1990 TR5)          Discovered 1990-Oct-09 by McNaught, R. H. at Siding Spring
Reference: 20000913/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1990 TR5 = 1997 WZ 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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