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4212 Sansyu-Asuke (1987 SB2)
Classification: Main-belt Asteroid          SPK-ID: 2004212
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2493095155474041 7.3788e-08  
a 3.149115625136331 1.9513e-08 au
q 2.364011134230831 2.3242e-07 au
i 14.86980268827577 8.0358e-06 deg
node 22.27979338901193 1.8056e-05 deg
peri 343.4308871130808 2.0955e-05 deg
M 32.09881196597254 9.8963e-06 deg
tp 2457218.501505716242
(2015-Jul-15.00150572)
5.6052e-05 JED
period 2041.180153695692
5.59
1.8972e-05
5.194e-08
d
yr
n .1763685578405199 1.6393e-09 deg/d
Q 3.93422011604183 2.4378e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1273  
   data-arc span      24491 days (67.05 yr)  
   first obs. used      1948-11-26  
   last obs. used      2015-12-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54039  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 12:51:26  

Additional Information
 Earth MOID = 1.36556 au 
 Jupiter MOID = 1.53303 au 
 T_jup = 3.109 
[ 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 11.2 mag n/a MPO347556  

4212 Sansyu-Asuke           Discovered 1987 Sept. 28 by K. Suzuki and T. Urata at Toyota.
Sansyu-Asuke, in the middle of Aichi prefecture, has a national park where colors are beautiful in the autumn season.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20041126/MPCPages.arcLast Updated: 2004-12-06

[ show close-approach data ]
Alternate Designations
 1987 SB2 = 1948 WJ = 1978 EB4 = 1982 YD1 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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