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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2495418182081257 7.8623e-08  
a 3.150022091219598 3.663e-08 AU
q 2.363959851180897 2.5507e-07 AU
i 14.86825045396293 8.6731e-06 deg
node 22.28357685634196 2.3872e-05 deg
peri 343.4576526153 2.6268e-05 deg
M 321.5506227471097 1.7821e-05 deg
tp 2457218.599984900381
(2015-Jul-15.09998490)
0.00010378 JED
period 2042.061541015854
5.59
3.5619e-05
9.752e-08
d
yr
n .1762924342725306 3.075e-09 deg/d
Q 3.9360843312583 4.5771e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      940  
   data-arc span      23949 days (65.57 yr)  
   first obs. used      1948-11-26  
   last obs. used      2014-06-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .56903  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-14 12:08:34  

Additional Information
 Earth MOID = 1.36728 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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