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4988 Chushuho (1980 VU1)
Classification: Main-belt Asteroid          SPK-ID: 2004988
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .215010726188683 3.7635e-08  
a 2.405480189655385 7.2366e-09 au
q 1.88827614724509 9.2039e-08 au
i 2.136883335257522 4.373e-06 deg
node 185.7085827146567 8.6346e-05 deg
peri 186.1606877965268 8.6715e-05 deg
M 128.5790500661551 9.2544e-06 deg
tp 2458113.791628890180
(2017-Dec-26.29162889)
3.3908e-05 TDB
period 1362.702660420849
3.73
6.1493e-06
1.684e-08
d
yr
n .2641808887999234 1.1921e-09 deg/d
Q 2.922684232065681 8.7926e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2298  
   data-arc span      17573 days (48.11 yr)  
   first obs. used      1971-03-24  
   last obs. used      2019-05-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46894  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 00:48:08  

Additional Information
 Earth MOID = .887585 au 
 Jupiter MOID = 2.53811 au 
 T_jup = 3.490 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.8   n/a MPO384799  
diameter diameter 3.577 km 0.188 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.501   0.056 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

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 | Mission Design | Physical Parameters | Discovery Circumstances ]
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