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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1980800219528556 4.7397e-08  
a 2.293833952772216 1.1368e-08 au
q 1.83947127305089 1.1221e-07 au
i 5.880520814451463 4.7599e-06 deg
node 282.2032837922546 5.2795e-05 deg
peri 336.8563786143994 5.4713e-05 deg
M 112.0501297895411 1.3219e-05 deg
tp 2457205.541690651850
(2015-Jul-02.04169065)
4.6935e-05 JED
period 1268.940889514309
3.47
9.4331e-06
2.583e-08
d
yr
n .2837011581664698 2.109e-09 deg/d
Q 2.748196632493542 1.362e-08 au
  Orbit Determination Parameters
   # obs. used (total)      896  
   data-arc span      23618 days (64.66 yr)  
   first obs. used      1950-12-09  
   last obs. used      2015-08-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50233  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Sep-02 14:27:04  

Additional Information
 Earth MOID = .825621 au 
 Jupiter MOID = 2.3266 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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