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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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .197922391058231 4.9162e-08  
a 2.294679755456539 1.6514e-08 AU
q 1.840511251543664 1.1421e-07 AU
i 5.88208939279033 5.2784e-06 deg
node 282.2245731382763 6.6749e-05 deg
peri 336.674464716104 7.0302e-05 deg
M 245.2740410951545 2.7663e-05 deg
tp 2457205.113853699787
(2015-Jul-01.61385370)
0.0001001 JED
period 1269.642796821037
3.48
1.3706e-05
3.752e-08
d
yr
n .2835443172689018 3.0609e-09 deg/d
Q 2.748848259369414 1.9783e-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      .5097  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-09 19:28:15  

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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