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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1601866456923523 5.8372e-08  
a 2.799146025597715 2.2334e-08 AU
q 2.350760212954137 1.668e-07 AU
i 8.194879398727554 5.9559e-06 deg
node 121.4342660275503 4.482e-05 deg
peri 43.11219013451473 4.8194e-05 deg
M 130.0999686692876 1.9107e-05 deg
tp 2456382.324980773847
(2013-Mar-30.82498077)
8.87e-05 JED
period 1710.553885582528
4.68
2.0472e-05
5.605e-08
d
yr
n .2104581463549756 2.5188e-09 deg/d
Q 3.247531838241292 2.5912e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1003  
   data-arc span      14384 days (39.38 yr)  
   first obs. used      1976-04-03  
   last obs. used      2015-08-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53685  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Sep-02 14:29:03  

Additional Information
 Earth MOID = 1.36765 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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