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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09245451501540512 5.0304e-08  
a 3.005565321611324 2.472e-08 au
q 2.727687237454628 1.5089e-07 au
i 10.86295188501833 6.0877e-06 deg
node 158.3205840233884 3.3434e-05 deg
peri 161.4825512796802 5.0718e-05 deg
M 186.2760091007709 3.995e-05 deg
tp 2458318.927714540688
(2018-Jul-19.42771454)
0.00021452 JED
period 1903.214262596789
5.21
2.348e-05
6.428e-08
d
yr
n .1891536896685545 2.3336e-09 deg/d
Q 3.283443405768018 2.7005e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1097  
   data-arc span      10337 days (28.30 yr)  
   first obs. used      1987-09-01  
   last obs. used      2015-12-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50022  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 13:23:22  

Additional Information
 Earth MOID = 1.71576 au 
 Jupiter MOID = 2.06074 au 
 T_jup = 3.218 
[ 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 12.4 mag n/a MPO324431  

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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