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9183 (1991 OW)
Classification: Main-belt Asteroid          SPK-ID: 2009183
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1978623450531442 4.7884e-08  
a 2.293649802032929 1.4137e-08 AU
q 1.839822873472014 1.1262e-07 AU
i 5.880983311119548 5.1115e-06 deg
node 282.2144549488146 6.5601e-05 deg
peri 336.8186457507796 6.8185e-05 deg
M 301.849728070811 2.2048e-05 deg
tp 2457205.445478274506
(2015-Jul-01.94547827)
7.8463e-05 JED
period 1268.788085267533
3.47
1.173e-05
3.211e-08
d
yr
n .2837353252131867 2.6232e-09 deg/d
Q 2.747476730593844 1.6934e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      841  
   data-arc span      23484 days (64.30 yr)  
   first obs. used      1950-12-09  
   last obs. used      2015-03-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5081  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Apr-07 16:34:19  

Additional Information
 Earth MOID = .827678 AU 
 T_jup = 3.563 
[ 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 14.7 mag n/a MPO247449  

9183 (1991 OW)          Discovered 1991-Jul-18 by Holt, H. E. at Palomar
Reference: 19980910/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1991 OW = 3121 P-L 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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