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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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2132321428978361 5.7828e-08  
a 2.406804514271828 1.4183e-08 AU
q 1.893596430157461 1.3491e-07 AU
i 2.131269742693567 5.7746e-06 deg
node 185.7763828751239 0.00011853 deg
peri 185.9213731508063 0.00011895 deg
M 66.3867029412572 1.3111e-05 deg
tp 2456748.999847701085
(2014-Apr-01.49984770)
4.8318e-05 JED
period 1363.828158595622
3.73
1.2056e-05
3.301e-08
d
yr
n .2639628737176857 2.3333e-09 deg/d
Q 2.920012598386196 1.7208e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1374  
   data-arc span      16064 days (43.98 yr)  
   first obs. used      1971-03-24  
   last obs. used      2015-03-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49667  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Apr-07 16:20:13  

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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