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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2140388505781361 5.7805e-08  
a 2.407138482550503 1.452e-08 au
q 1.891917328562994 1.3482e-07 au
i 2.13543520854108 5.7427e-06 deg
node 185.7013140733843 0.00011792 deg
peri 186.1808421837517 0.00011833 deg
M 171.6431628640676 1.3638e-05 deg
tp 2456750.109710250708
(2014-Apr-02.60971025)
4.8037e-05 JED
period 1364.112035707314
3.73
1.2343e-05
3.379e-08
d
yr
n .2639079419993052 2.3879e-09 deg/d
Q 2.922359636538011 1.7628e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1396  
   data-arc span      16115 days (44.12 yr)  
   first obs. used      1971-03-24  
   last obs. used      2015-05-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49577  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jun-04 15:49:46  

Additional Information
 Earth MOID = .890273 au 
 Jupiter MOID = 2.53559 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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