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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2542408772073774 6.4353e-08  
a 2.271047437700578 1.1547e-08 au
q 1.693654344960016 1.434e-07 au
i 5.839948099158359 5.2882e-06 deg
node 234.7533793448153 6.0044e-05 deg
peri 98.70671582374969 6.0712e-05 deg
M 212.0768594552431 1.0158e-05 deg
tp 2458114.154803270565
(2017-Dec-26.65480327)
3.7024e-05 JED
period 1250.079794793526
3.42
9.5338e-06
2.61e-08
d
yr
n .2879816164531007 2.1963e-09 deg/d
Q 2.84844053044114 1.4483e-08 au
  Orbit Determination Parameters
   # obs. used (total)      822  
   data-arc span      9336 days (25.56 yr)  
   first obs. used      1990-09-18  
   last obs. used      2016-04-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .57764  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 13:25:14  

Additional Information
 Earth MOID = .695461 au 
 Jupiter MOID = 2.55641 au 
 T_jup = 3.562 
[ 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 15.1 mag n/a MPO365451  

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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