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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .21496997204978 1.3455e-08  
a 2.406259057897706 6.1631e-09 au
q 1.888985615476906 3.2043e-08 au
i 2.136693736752133 2.0865e-07 deg
node 185.687923812975 8.2462e-06 deg
peri 186.018875083816 1.0273e-05 deg
M 287.277944321184 6.4882e-06 deg
tp 2459475.907425497737
(2021-Sep-18.40742550)
2.5279e-05 TDB
period 1363.364556374425
3.73
5.2379e-06
1.434e-08
d
yr
n .264052632376877 1.0145e-09 deg/d
Q 2.923532500318506 7.488e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2731  
   data-arc span      18044 days (49.40 yr)  
   first obs. used      1971-03-24  
   last obs. used      2020-08-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47664  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 17:01:07  

Additional Information
 Earth MOID = .887594 au 
 Jupiter MOID = 2.54167 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 13.81   n/a E2021B10  
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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