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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2131547391297905 6.7071e-08  
a 2.40623363359447 1.1865e-08 AU
q 1.893333531140313 1.5952e-07 AU
i 2.131332160711733 7.2532e-06 deg
node 185.7852027298235 0.00012222 deg
peri 185.8540288769639 0.0001227 deg
M 13.63617039449374 1.2954e-05 deg
tp 2456748.858953460867
(2014-Apr-01.35895346)
4.8838e-05 JED
period 1363.342948662096
3.73
1.0084e-05
2.761e-08
d
yr
n .2640568173644663 1.9531e-09 deg/d
Q 2.919133736048627 1.4395e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1189  
   data-arc span      15441 days (42.28 yr)  
   first obs. used      1971-03-24  
   last obs. used      2013-07-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .57334  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Aug-05 14:54:33  

Additional Information
 Earth MOID = .891997 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 13.6 mag n/a MPO265984  

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 ]
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