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13220 Kashiwagura (1997 NG3)
Classification: Main-belt Asteroid          SPK-ID: 2013220
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09378208151280976 6.708e-08  
a 3.001556135344285 3.1021e-08 AU
q 2.720063953194153 2.1261e-07 AU
i 10.860923577 8.065e-06 deg
node 158.3322755244712 3.6677e-05 deg
peri 161.0837818653212 5.8187e-05 deg
M 110.9240476756818 4.3575e-05 deg
tp 2456415.250111141330
(2013-May-02.75011114)
0.00023097 JED
period 1899.407427009279
5.20
2.9445e-05
8.062e-08
d
yr
n .1895327957977082 2.9382e-09 deg/d
Q 3.283048317494417 3.393e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      908  
   data-arc span      9613 days (26.32 yr)  
   first obs. used      1987-09-01  
   last obs. used      2013-12-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52969  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-09 20:35:24  

Additional Information
 Earth MOID = 1.71094 AU 
 T_jup = 3.219 
[ 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 12.3 mag n/a MPO267759  

13220 Kashiwagura           Discovered 1997 July 1 by T. Okuni at Nanyo.
Mitsuru Kashiwagura (b. 1950), a high school teacher in Ooe, Yamagata prefecture, has been observing occultations since 1994.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20050721/MPCPages.arcLast Updated: 2005-07-21

[ show close-approach data ]
Alternate Designations
 1997 NG3 = 1987 RY2 = 1987 SD30 = 1988 XA6 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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