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7021 Tomiokamachi (1992 JN1)
Classification: Main-belt Asteroid          SPK-ID: 2007021
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1712955403102178 3.4161e-08  
a 2.592457184970459 1.1778e-08 au
q 2.148380830739838 8.8556e-08 au
i 13.504036857943 4.1001e-06 deg
node 90.44370920867661 1.5484e-05 deg
peri 218.70852740 1.9994e-05 deg
M 209.6604278093256 1.4926e-05 deg
tp 2459637.202602669932
(2022-Feb-26.70260267)
6.501e-05 TDB
period 1524.634755980726
4.17
1.039e-05
2.845e-08
d
yr
n .2361221260290823 1.6091e-09 deg/d
Q 3.03653353920108 1.3796e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2402  
   data-arc span      25125 days (68.79 yr)  
   first obs. used      1951-09-04  
   last obs. used      2020-06-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42669  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 16:37:09  

Additional Information
 Earth MOID = 1.14948 au 
 Jupiter MOID = 2.22474 au 
 T_jup = 3.360 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.6   n/a MPO502219  

7021 Tomiokamachi           Discovered 1992 May 6 by A. Sugie at Dynic.
Tomiokamachi is a town in Fukushima prefecture, Japan, famous for its nature beauty, especially the cherry blossoms in Yonomori Park. The town was heavily damaged during the 2011 earthquake.
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 2014-07-12Last Updated: 2014-08-13

Alternate Designations
 1992 JN1 = 1989 XH2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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