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JPL Small-Body Database Browser
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12690 Kochimiraikagaku (1988 VG1)
Classification: Main-belt Asteroid          SPK-ID: 2012690
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .119186833437128 3.7754e-08  
a 3.004780188201594 1.6126e-08 au
q 2.646649952395228 1.1624e-07 au
i 11.3698483374104 3.9327e-06 deg
node 219.4100619363684 1.8981e-05 deg
peri 298.786876180633 2.4078e-05 deg
M 212.8802408206045 1.5346e-05 deg
tp 2459377.974210653721
(2021-Jun-12.47421065)
8.3222e-05 TDB
period 1902.468556205597
5.21
1.5315e-05
4.193e-08
d
yr
n .189227831821834 1.5233e-09 deg/d
Q 3.36291042400796 1.8048e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2287  
   data-arc span      14446 days (39.55 yr)  
   first obs. used      1980-05-17  
   last obs. used      2019-12-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43837  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-13 23:27:08  

Additional Information
 Earth MOID = 1.67693 au 
 Jupiter MOID = 1.7291 au 
 T_jup = 3.211 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.0   n/a MPO502265  
diameter diameter 15.287 km 0.203 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
geometric albedo albedo 0.149   0.017 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

12690 Kochimiraikagaku           Discovered 1988 Nov. 5 by T. Seki at Geisei.
Kochi-Mirai-Kagakukan (Kochi city future science museum) is to be built in the heart of the city and will open in 2017. It will be equipped with a planetarium and is expected to play a role for astronomy education for children.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2016-11-14Last Updated: 2016-11-20

[ show close-approach data ]
Alternate Designations
 1988 VG1 = 1980 KU = 1985 GA2 = 1998 TR32 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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