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 ]  
27932 Leonyao (1997 GF8)
Classification: Main-belt Asteroid          SPK-ID: 2027932
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .122687398848993 6.3133e-08  
a 2.307290960417052 1.4578e-08 AU
q 2.024215434095689 1.5182e-07 AU
i 5.496049035528441 6.2408e-06 deg
node 27.06725456615239 4.7718e-05 deg
peri 186.5719434278949 5.2201e-05 deg
M 14.16836690541993 2.4334e-05 deg
tp 2456950.118711793935
(2014-Oct-19.61871179)
8.6351e-05 JED
period 1280.123805041025
3.50
1.2132e-05
3.322e-08
d
yr
n .2812227993748331 2.6652e-09 deg/d
Q 2.590366486738414 1.6366e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      601  
   data-arc span      13894 days (38.04 yr)  
   first obs. used      1976-05-03  
   last obs. used      2014-05-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .56041  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Mar-09 15:27:32  

Additional Information
 Earth MOID = 1.01956 AU 
 T_jup = 3.571 
[ 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 15.8 mag n/a PDS3 (MPO 15204)  

27932 Leonyao           Discovered 1997 Apr. 2 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Leon Yao (b. 1994) is a finalist in the 2012 Intel Science Talent Search, a science competition for high-school seniors, for his engineering project. He attends the Troy High School, Fullerton, California.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20120506/MPCPages.arcLast Updated: 2012-05-09

Alternate Designations
 1997 GF8 = 1976 JZ4 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2015-May-23 13:25 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin