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22385 Fujimoriboshi (1994 EK7)
Classification: Mars-crossing Asteroid          SPK-ID: 2022385
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .287251864168833 2.9481e-08  
a 2.324827105462022 6.844e-09 au
q 1.657016185547824 6.7741e-08 au
i 23.26131659646419 4.0629e-06 deg
node 180.9024736519365 8.4556e-06 deg
peri 321.8546921500242 1.0742e-05 deg
M 218.1359863344185 8.8188e-06 deg
tp 2459710.716101120058
(2022-May-11.21610112)
3.3168e-05 TDB
period 1294.745521836199
3.54
5.7173e-06
1.565e-08
d
yr
n .2780469165009742 1.2278e-09 deg/d
Q 2.992638025376219 8.8099e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1272  
   data-arc span      9763 days (26.73 yr)  
   first obs. used      1994-03-12  
   last obs. used      2020-12-03  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52007  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:05:16  

Additional Information
 Earth MOID = .705552 au 
 Jupiter MOID = 2.12948 au 
 T_jup = 3.415 
[ 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 14.75   n/a E2021B10  
rotation period rot_per 2.53 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Erasmus, N.; McNeill, A.; Mommert, N.; Trilling, D.E.; et al. (2019) Ap. J. Suppl. Series 242, A15.]

22385 Fujimoriboshi           Discovered 1994 Mar. 14 by M. Hirasawa and S. Suzuki at Nyukasa.
Named on the occasion of the 70th anniversary of the Tokyo Metropolitan Fujimori High school, where the first discoverer teaches astronomy and earth science. It is one of the traditional high schools in the Tokyo Tama area.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20111210/MPCPages.arcLast Updated: 2011-12-12

Alternate Designations
 1994 EK7 = 1994 GQ1 = 2000 XY 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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