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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1979223717955417 5.0828e-08  
a 2.294679761553785 1.4495e-08 AU
q 1.840511300635832 1.1786e-07 AU
i 5.882090638050555 5.9169e-06 deg
node 282.2246345742302 7.1703e-05 deg
peri 336.6744113892889 7.5229e-05 deg
M 245.2740329829004 2.7226e-05 deg
tp 2457205.113883922631
(2015-Jul-01.61388392)
9.7989e-05 JED
period 1269.642801881433
3.48
1.203e-05
3.294e-08
d
yr
n .2835443161387836 2.6865e-09 deg/d
Q 2.748848222471739 1.7363e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      827  
   data-arc span      23091 days (63.22 yr)  
   first obs. used      1950-12-09  
   last obs. used      2014-02-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52446  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Mar-22 10:54:10  

Additional Information
 Earth MOID = .826656 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 (675)
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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