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14337 (1981 WJ9)
Classification: Main-belt Asteroid          SPK-ID: 2014337
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1835149260285752 2.8945e-08  
a 2.616625525381991 8.1954e-09 au
q 2.136435685647033 7.6934e-08 au
i 5.273837922123917 3.6864e-06 deg
node 191.8547441868417 3.3848e-05 deg
peri 254.1321096843735 3.5497e-05 deg
M 58.10971309835351 9.6215e-06 deg
tp 2458950.950319707975
(2020-Apr-11.45031971)		 4.1066e-05 TDB
period 1546.004619796933
4.23		 7.2633e-06
1.989e-08		 d
yr
n .2328582951112306 1.094e-09 deg/d
Q 3.096815365116949 9.6994e-09 au
   Orbit Determination Parameters
   # obs. used (total)      1726  
   data-arc span      14387 days (39.39 yr)  
   first obs. used      1981-10-24  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49948  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 00:25:26  

Additional Information
 Earth MOID = 1.15939 au 
 Jupiter MOID = 2.1558 au 
 T_jup = 3.377 
[ show covariance matrix ]

[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.55   n/a E2021B10  

14337 (1981 WJ9)          Discovered 1981-Nov-16 by Perth Observatory at Bickley
Reference: 20000418/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1981 WJ9 = 1998 WS15 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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