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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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1978623415820993 4.7455e-08  
a 2.293649797478319 1.1575e-08 AU
q 1.839822877779951 1.1231e-07 AU
i 5.880982315072665 4.781e-06 deg
node 282.2144339283088 5.6334e-05 deg
peri 336.8186600732968 5.817e-05 deg
M 301.8497377718675 1.4211e-05 deg
tp 2457205.445443473537
(2015-Jul-01.94544347)
4.9963e-05 JED
period 1268.788081488293
3.47
9.6047e-06
2.63e-08
d
yr
n .283735326058327 2.1479e-09 deg/d
Q 2.747476717176687 1.3866e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      884  
   data-arc span      23571 days (64.53 yr)  
   first obs. used      1950-12-09  
   last obs. used      2015-06-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50522  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jul-06 12:01:30  

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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