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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .249610556557963 9.3809e-08  
a 3.149908249005413 3.4642e-08 AU
q 2.363657897864653 2.9823e-07 AU
i 14.86862091005554 1.0079e-05 deg
node 22.29106135424293 2.6947e-05 deg
peri 343.4696013435239 2.996e-05 deg
M 286.2821172732077 2.1176e-05 deg
tp 2457218.634146289713
(2015-Jul-15.13414629)
0.00012502 JED
period 2041.950841455572
5.59
3.3685e-05
9.222e-08
d
yr
n .1763019915520492 2.9084e-09 deg/d
Q 3.936158600146173 4.3288e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      937  
   data-arc span      23549 days (64.47 yr)  
   first obs. used      1948-11-26  
   last obs. used      2013-05-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55971  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Aug-05 14:42:22  

Additional Information
 Earth MOID = 1.3656 AU 
 T_jup = 3.108 
[ 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 11.1 mag n/a MPO263384  

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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