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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1603106733334216 5.8279e-08  
a 2.79891455811696 2.1249e-08 au
q 2.350218680702514 1.661e-07 au
i 8.194254951909631 5.703e-06 deg
node 121.4302718977283 4.3852e-05 deg
peri 43.19132091860585 4.688e-05 deg
M 214.1836560815876 1.9206e-05 deg
tp 2458093.266044037383
(2017-Dec-05.76604404)
9.5001e-05 JED
period 1710.341715829885
4.68
1.9477e-05
5.333e-08
d
yr
n .2104842539172485 2.3969e-09 deg/d
Q 3.247610435531406 2.4655e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1089  
   data-arc span      14491 days (39.67 yr)  
   first obs. used      1976-04-03  
   last obs. used      2015-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53413  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 13:12:05  

Additional Information
 Earth MOID = 1.36643 au 
 Jupiter MOID = 1.7659 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 13.0 mag n/a MPO350880  

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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