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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2132321377394483 5.795e-08  
a 2.406804515692678 1.4221e-08 AU
q 1.893596443690571 1.3527e-07 AU
i 2.131269359091417 5.8147e-06 deg
node 185.7763797228846 0.00011866 deg
peri 185.9213760557326 0.00011908 deg
M 66.38670223548033 1.3122e-05 deg
tp 2456748.999850152150
(2014-Apr-01.49985015)
4.8352e-05 JED
period 1363.82815980332
3.73
1.2088e-05
3.31e-08
d
yr
n .2639628734839411 2.3395e-09 deg/d
Q 2.920012587694786 1.7254e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1334  
   data-arc span      16035 days (43.90 yr)  
   first obs. used      1971-03-24  
   last obs. used      2015-02-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50208  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Mar-09 13:56:29  

Additional Information
 Earth MOID = .89365 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 ]
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