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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 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1601866457297583 5.8522e-08  
a 2.799146025465614 2.3696e-08 AU
q 2.350760212738492 1.678e-07 AU
i 8.194879504149785 6.0923e-06 deg
node 121.4342652643086 4.6079e-05 deg
peri 43.11219097730829 4.9859e-05 deg
M 130.0999686279389 1.9444e-05 deg
tp 2456382.324981014077
(2013-Mar-30.82498101)
9.0875e-05 JED
period 1710.553885461439
4.68
2.1721e-05
5.947e-08
d
yr
n .2104581463698739 2.6724e-09 deg/d
Q 3.247531838192735 2.7491e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      976  
   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      .54109  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-09 19:39:20  

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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