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12922 (1998 WW19)
Classification: Main-belt Asteroid          SPK-ID: 2012922
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05461192417328697 5.5914e-08  
a 3.184169458054865 3.2785e-08 au
q 3.010275837056677 1.7877e-07 au
i 7.857828820338599 5.7245e-06 deg
node 96.37459563877864 4.4379e-05 deg
peri 265.7862799335983 7.4726e-05 deg
M 57.21207326570837 5.7317e-05 deg
tp 2457070.679329093569
(2015-Feb-17.17932909)
0.00033181 JED
period 2075.356384567218
5.68
3.2052e-05
8.775e-08
d
yr
n .1734641831528478 2.679e-09 deg/d
Q 3.358063079053054 3.4575e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1068  
   data-arc span      14660 days (40.14 yr)  
   first obs. used      1975-10-30  
   last obs. used      2015-12-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50904  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 13:22:28  

Additional Information
 Earth MOID = 2.01877 au 
 Jupiter MOID = 1.95301 au 
 T_jup = 3.182 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.0 mag n/a MPO347627  

12922 (1998 WW19)          Discovered 1998-Nov-27 by Zoltowski, F. B. at Woomera
Reference: 19991222/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 WW19 = 1975 UV = 1988 AO3 = 1997 QN2 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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