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192868 (1999 WZ18)
Classification: Main-belt Asteroid          SPK-ID: 2192868
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08044639641060697 7.8038e-08  
a 2.861677015560227 2.1674e-08 au
q 2.631465411967346 2.2417e-07 au
i 1.482287137007747 7.9861e-06 deg
node 203.6744350436072 0.00019966 deg
peri 169.8053586718416 0.00020161 deg
M 158.4990377001115 3.0284e-05 deg
tp 2458422.009210055914
(2018-Oct-30.50921006)
0.00014539 TDB
period 1768.191709214862
4.84
2.0088e-05
5.5e-08
d
yr
n .2035978328163592 2.3131e-09 deg/d
Q 3.091888619153107 2.3418e-08 au
  Orbit Determination Parameters
   # obs. used (total)      259  
   data-arc span      9689 days (26.53 yr)  
   first obs. used      1994-10-08  
   last obs. used      2021-04-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58389  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 10:20:06  

Additional Information
 Earth MOID = 1.6303 au 
 Jupiter MOID = 2.32421 au 
 T_jup = 3.296 
[ 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 16.58   n/a E2021B55  

192868 (1999 WZ18)          Discovered 1999-Nov-30 by Spacewatch at Kitt Peak
Reference: 20081113/Numbers.arcLast Updated: 2008-11-17

Alternate Designations
 1999 WZ18 = 2006 BX126 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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