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4073 Ruianzhongxue (1981 UE10)
Classification: Main-belt Asteroid          SPK-ID: 2004073
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1785810024562118 5.0458e-08  
a 3.170271630017962 2.5368e-08 au
q 2.604121344270866 1.5824e-07 au
i 2.068543627808813 5.1685e-06 deg
node 144.3483087226479 0.0001509 deg
peri 190.6131334953053 0.00015189 deg
M 97.66756824858683 1.6759e-05 deg
tp 2457041.140507917971
(2015-Jan-18.64050792)
9.5562e-05 JED
period 2061.783873199322
5.64
2.4747e-05
6.775e-08
d
yr
n .1746060800453245 2.0957e-09 deg/d
Q 3.736421915765058 2.9898e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1546  
   data-arc span      22784 days (62.38 yr)  
   first obs. used      1953-11-09  
   last obs. used      2016-03-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49271  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 12:46:46  

Additional Information
 Earth MOID = 1.59357 au 
 Jupiter MOID = 1.63413 au 
 T_jup = 3.176 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.2 mag n/a MPO347555  

4073 Ruianzhongxue           Discovered 1981 Oct. 23 at the Purple Mountain Observatory.
Ruianzhongxue (Ruian Middle School) in Zhejiang province is celebrating its 110th anniversary. Founded by progressive educator Sun Yirang (1848-1908), the school specializes in mathematics. Many prominent scholars were trained there.
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

[ show close-approach data ]
Alternate Designations
 1981 UE10 = 1953 VU2 = 1986 PA1 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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