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 ]  
4988 Chushuho (1980 VU1)
Classification: Main-belt Asteroid          SPK-ID: 2004988
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2145705771935412 5.331e-08  
a 2.406019658208082 1.2921e-08 au
q 1.889758631407367 1.2543e-07 au
i 2.136658246692307 5.5767e-06 deg
node 185.7095184624114 0.00010474 deg
peri 186.222783453804 0.00010514 deg
M 224.3848458636208 1.3883e-05 deg
tp 2458114.014729276430
(2017-Dec-26.51472928)
5.5739e-05 JED
period 1363.161098896131
3.73
1.0981e-05
3.006e-08
d
yr
n .2640920433333397 2.1274e-09 deg/d
Q 2.922280685008796 1.5694e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1536  
   data-arc span      16459 days (45.06 yr)  
   first obs. used      1971-03-24  
   last obs. used      2016-04-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .48645  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 12:50:18  

Additional Information
 Earth MOID = .88868 au 
 Jupiter MOID = 2.53516 au 
 T_jup = 3.490 
[ 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 13.7 mag n/a MPO324353  

4988 Chushuho           Discovered 1980 Nov. 6 at the Purple Mountain Observatory.
Chu, Shu Ho David (b. 1950), who lives in Hong Kong, has devoted his energies to physical education in China. He has been a driving force behind the upcoming Olympic Games in Beijing (2008).
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20051215/MPCPages.arcLast Updated: 2006-03-22

Alternate Designations
 1980 VU1 = 1990 HU4 = 1991 RN1 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2016-May-05 12:22 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin