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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 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .160132544272376 5.8509e-08  
a 2.798951200538638 2.3615e-08 AU
q 2.350748023502164 1.677e-07 AU
i 8.19477155739002 6.0922e-06 deg
node 121.4345880030308 4.6081e-05 deg
peri 43.07740633113362 4.9867e-05 deg
M 88.05236263385638 1.9336e-05 deg
tp 2456382.159482230127
(2013-Mar-30.65948223)
9.0912e-05 JED
period 1710.375302743408
4.68
2.1646e-05
5.926e-08
d
yr
n .2104801206042716 2.6637e-09 deg/d
Q 3.247154377575111 2.7396e-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 = 1.36718 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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