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 ]  
16471 (1990 OR3)
Classification: Main-belt Asteroid          SPK-ID: 2016471
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09532422636545601 5.9139e-08  
a 2.388572041957889 1.5536e-08 AU
q 2.160883259940096 1.4805e-07 AU
i 5.6288733155169 6.0052e-06 deg
node 324.8310753406148 4.3382e-05 deg
peri 336.9609828414513 5.075e-05 deg
M 227.8326547946236 2.7971e-05 deg
tp 2457495.525543886921
(2016-Apr-17.02554389)
0.00010531 JED
period 1348.360258900338
3.69
1.3156e-05
3.602e-08
d
yr
n .2669909600373418 2.6049e-09 deg/d
Q 2.616260823975682 1.7017e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1171  
   data-arc span      23524 days (64.41 yr)  
   first obs. used      1950-12-09  
   last obs. used      2015-05-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53051  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jun-04 16:26:29  

Additional Information
 Earth MOID = 1.14798 AU 
 T_jup = 3.521 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.9 mag n/a MPO267771  

16471 (1990 OR3)          Discovered 1990-Jul-27 by Holt, H. E. at Palomar
Reference: 20000913/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1990 OR3 = 1990 PE = 1999 XG229 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2015-Jul-02 09:50 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin