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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2552573779275077 8.0559e-08  
a 2.269675622938224 2.0605e-08 AU
q 1.69032417468103 1.8845e-07 AU
i 5.839548060097946 9.081e-06 deg
node 234.8630488021013 8.1381e-05 deg
peri 98.46154470825654 8.2986e-05 deg
M 341.6780787701363 2.1695e-05 deg
tp 2456864.064206167688
(2014-Jul-25.56420617)
7.5826e-05 JED
period 1248.947309252118
3.42
1.7008e-05
4.657e-08
d
yr
n .2882427443761192 3.9252e-09 deg/d
Q 2.849027071195418 2.5865e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      487  
   data-arc span      8692 days (23.80 yr)  
   first obs. used      1990-09-18  
   last obs. used      2014-07-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .57881  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-14 12:36:38  

Additional Information
 Earth MOID = .691679 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 14.9 mag n/a MPO263494  

16504 (1990 TR5)          Discovered 1990-Oct-09 by McNaught, R. H. at Siding Spring (413)
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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