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9162 Kwiila (1987 OA)
Classification: Apollo [NEO]          SPK-ID: 2009162
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 56 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5953436828391182 3.6923e-08  
a 1.49620071525097 1.9586e-09 AU
q .6054470711669347 5.5135e-08 AU
i 9.013749565197193 7.1117e-06 deg
node 180.15154781 3.9099e-05 deg
peri 235.6567082567653 3.8218e-05 deg
M 191.3312515256141 5.3259e-06 deg
tp 2457113.695371721868
(2015-Apr-01.19537172)
1.0212e-05 JED
period 668.4719892671455
1.83
1.3126e-06
3.594e-09
d
yr
n .5385416379146606 1.0575e-09 deg/d
Q 2.386954359335006 3.1247e-09 AU
  Orbit Determination Parameters
   # obs. used (total)      332  
   data-arc span      9071 days (24.84 yr)  
   first obs. used      1987-07-18  
   last obs. used      2012-05-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .61665  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Aug-05 09:20:42  

Additional Information
 Earth MOID = .0811829 AU 
 T_jup = 4.329 
[ 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 17.9 mag n/a MPO231476  

9162 Kwiila           Discovered 1987 July 29 by J. E. Mueller at Palomar.
Kwiila is one of the First People in the Luiseno creation story. Kwiila means "black oak", which is indigenous to Palomar Mountain, where the Luiseno traditionally gathered acorns during the summer months.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20081113/MPCPages.arcLast Updated: 2008-11-17

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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