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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 2456400.5 (2013-Apr-18.0) TDB
Reference: JPL 1 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1790592178166394 7.6015e-08  
a 3.171013011901385 3.4988e-08 AU
q 2.603213902303937 2.4512e-07 AU
i 2.068287523172452 7.8238e-06 deg
node 144.3577024128473 0.00016885 deg
peri 190.8917123451709 0.00017032 deg
M 248.0075316974286 2.6021e-05 deg
tp 2457042.125740998106
(2015-Jan-19.62574100)		 0.00015523 JED
period 2062.507151242194
5.65		 3.4136e-05
9.346e-08		 d
yr
n .1745448493515193 2.8888e-09 deg/d
Q 3.738812121498833 4.1253e-08 AU
   Orbit Determination Parameters
   # obs. used (total)      1154  
   data-arc span      21714 days (59.45 yr)  
   first obs. used      1953-11-09  
   last obs. used      2013-04-22  
   planetary ephem.      DE405  
   SB-pert. ephem.      SB405-CPV-2  
   condition code      0  
   fit RMS      .52522  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Apr-29 13:01:26  

Additional Information
 Earth MOID = 1.59318 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 12.0 mag n/a PDS3 (MPC 28111)  

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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