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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 ]

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Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB
Reference: JPL 1 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2499718593397836 9.5608e-08  
a 3.148925130136915 3.4777e-08 AU
q 2.36178246043482 3.0317e-07 AU
i 14.8736213682224 1.016e-05 deg
node 22.30244061941317 2.8179e-05 deg
peri 343.5079575242477 3.1082e-05 deg
M 215.7191108327726 2.0365e-05 deg
tp 2457218.490459648096
(2015-Jul-14.99045965)		 0.00012486 JED
period 2040.994945158705
5.59		 3.3811e-05
9.257e-08		 d
yr
n .1763845622714204 2.922e-09 deg/d
Q 3.936067799839009 4.347e-08 AU
   Orbit Determination Parameters
   # obs. used (total)      919  
   data-arc span      23517 days (64.39 yr)  
   first obs. used      1948-11-26  
   last obs. used      2013-04-16  
   planetary ephem.      DE405  
   SB-pert. ephem.      SB405-CPV-2  
   condition code      0  
   fit RMS      .55455  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Apr-29 13:02:04  

Additional Information
 Earth MOID = 1.36452 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 11.4 mag n/a PDS3 (MPC 28111)  

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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