Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Near-Earth Object (NEO) Program
Search JPL
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2551527817936141 6.8397e-08  
a 2.269352075528728 1.2403e-08 AU
q 1.690320580588461 1.5392e-07 AU
i 5.839735617883104 7.564e-06 deg
node 234.8596318916627 7.3445e-05 deg
peri 98.45834727656739 7.5051e-05 deg
M 39.33934809325065 1.3028e-05 deg
tp 2456864.049257386570
(2014-Jul-25.54925739)
4.5145e-05 JED
period 1248.680258361037
3.42
1.0237e-05
2.803e-08
d
yr
n .288304389846381 2.3635e-09 deg/d
Q 2.848383570468994 1.5567e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      539  
   data-arc span      8807 days (24.11 yr)  
   first obs. used      1990-09-18  
   last obs. used      2014-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .57099  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Nov-10 13:27:05  

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 15.0 mag n/a MPO309282  

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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2014-Dec-18 16:23 UT
(server date/time)  
NASA Home Page
Site Manager:   Donald K. Yeomans
Webmaster  Alan B. Chamberlin