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12440 Koshigayaboshi (1996 CF3)
Classification: Main-belt Asteroid          SPK-ID: 2012440
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0421105788430454 5.3493e-08  
a 3.062679508503247 2.8992e-08 AU
q 2.933708301589442 1.6148e-07 AU
i 12.06561257548945 6.5272e-06 deg
node 125.2579040649521 2.715e-05 deg
peri 140.8099647381283 9.3318e-05 deg
M 70.01835420717354 8.6985e-05 deg
tp 2456619.732253507900
(2013-Nov-23.23225351)
0.00047397 JED
period 1957.720804627425
5.36
2.7799e-05
7.611e-08
d
yr
n .1838873036181029 2.6111e-09 deg/d
Q 3.191650715417053 3.0213e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1028  
   data-arc span      6778 days (18.56 yr)  
   first obs. used      1996-02-11  
   last obs. used      2014-09-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49597  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Oct-09 14:22:50  

Additional Information
 Earth MOID = 1.92828 AU 
 T_jup = 3.198 
[ 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 12.1 mag n/a MPO266024  

12440 Koshigayaboshi           Discovered 1996 Feb. 11 by K. Endate and K. Watanabe at Kitami.
Koshigayaboshi, "the star of Koshigaya", is a city in the southeast region of Saitama prefecture, 25 km from Tokyo. During the Edo Period Koshigaya was the third lodge town from Nihonbashi to Nikko. The name was suggested by the people of Koshigaya in honor of the city's fiftieth anniversary in 2008.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20081212/MPCPages.arcLast Updated: 2008-12-12

[ show close-approach data ]
Alternate Designations
 1996 CF3 = 1998 QX16 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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