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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1601325513343875 6.322e-08  
a 2.798951183799422 2.3785e-08 AU
q 2.350747989677216 1.8017e-07 AU
i 8.194774032875031 6.7265e-06 deg
node 121.4345953423438 4.766e-05 deg
peri 43.07738778456984 5.1888e-05 deg
M 88.05237967769463 2.1143e-05 deg
tp 2456382.159405006975
(2013-Mar-30.65940501)
9.9418e-05 JED
period 1710.375287399978
4.68
2.1801e-05
5.969e-08
d
yr
n .210480122492446 2.6829e-09 deg/d
Q 3.247154377921627 2.7593e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      981  
   data-arc span      13593 days (37.22 yr)  
   first obs. used      1976-04-03  
   last obs. used      2013-06-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55819  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Aug-05 16:28:32  

Additional Information
 Earth MOID = 1.36718 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 MPO263437  

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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