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9845 Okamuraosamu (1990 FM1)
Classification: Main-belt Asteroid          SPK-ID: 2009845
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1603470418873176 5.828e-08  
a 2.798534468455698 2.1237e-08 au
q 2.34979774481913 1.6607e-07 au
i 8.194169698749965 5.6835e-06 deg
node 121.4243717975279 4.3844e-05 deg
peri 43.25309119308334 4.6853e-05 deg
M 256.2187212905434 1.9413e-05 deg
tp 2458093.459152112036
(2017-Dec-05.95915211)
9.4954e-05 JED
period 1709.993333741439
4.68
1.9465e-05
5.329e-08
d
yr
n .210527136507793 2.3964e-09 deg/d
Q 3.247271192092266 2.4642e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1096  
   data-arc span      14537 days (39.80 yr)  
   first obs. used      1976-04-03  
   last obs. used      2016-01-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53583  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Feb-25 18:36:44  

Additional Information
 Earth MOID = 1.36497 au 
 Jupiter MOID = 1.76591 au 
 T_jup = 3.292 
[ 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 12.9 mag n/a MPO365367  

9845 Okamuraosamu           Discovered 1990 Mar. 27 by K. Endate and K. Watanabe at Kitami.
Osamu Okamura (b. 1954) is a Japanese certified public accountant and an amateur astronomer. His main activities are video photography of solar eclipses and meteors. He is also well known for his first-rate astronomical library.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20030106/MPCPages.arcLast Updated: 2003-10-02

[ show close-approach data ]
Alternate Designations
 1990 FM1 = 1976 GM6 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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