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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2551527069899741 8.0182e-08  
a 2.269352103952948 2.007e-08 AU
q 1.69032077151596 1.8725e-07 AU
i 5.839729308745153 8.9986e-06 deg
node 234.8595846557461 8.1285e-05 deg
peri 98.45840684633242 8.2857e-05 deg
M 39.33931722582274 2.1465e-05 deg
tp 2456864.049361888361
(2014-Jul-25.54936189)
7.3301e-05 JED
period 1248.6802818211
3.42
1.6565e-05
4.535e-08
d
yr
n .2883043844297509 3.8247e-09 deg/d
Q 2.848383436389935 2.5191e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      490  
   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      .5821  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Aug-13 14:27:36  

Additional Information
 Earth MOID = .693427 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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