Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
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 ]  
10280 Yequanzhi (1981 EA43)
Classification: Main-belt Asteroid          SPK-ID: 2010280
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1967130280338714 2.7561e-08  
a 2.363335687333144 5.6236e-09 au
q 1.898436768017331 6.6283e-08 au
i 1.492936963882218 3.7662e-06 deg
node 329.5577738291075 0.00011227 deg
peri 78.8273356355261 0.00011271 deg
M 94.05381405797921 9.3064e-06 deg
tp 2458853.794718599863
(2020-Jan-05.29471860)
3.4036e-05 TDB
period 1327.04773914972
3.63
4.7366e-06
1.297e-08
d
yr
n .2712788616260807 9.6827e-10 deg/d
Q 2.828234606648958 6.7299e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1442  
   data-arc span      16112 days (44.11 yr)  
   first obs. used      1977-02-11  
   last obs. used      2021-03-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50295  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 00:35:25  

Additional Information
 Earth MOID = .908303 au 
 Jupiter MOID = 2.55731 au 
 T_jup = 3.523 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.38   n/a E2021B10  

10280 Yequanzhi           Discovered 1981 Mar. 2 by S. J. Bus at Siding Spring.
Quan-Zhi Ye (b. 1988) is a postdoctoral researcher at the California Institute of Technology who studies the transitions between asteroids and comets and associated meteor streams.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2017-03-12Last Updated: 2017-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-May-08 08:27 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin