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JPL Small-Body Database Browser
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233946 (2009 WG125)
Classification: Main-belt Asteroid          SPK-ID: 2233946
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .103695499144737 8.615e-08  
a 2.795079609871511 3.1453e-08 au
q 2.505242434576608 2.3993e-07 au
i 4.491417506527172 5.9565e-06 deg
node 87.34692343768985 0.00011995 deg
peri 266.5076692796654 0.0001242 deg
M 67.58030739112048 3.0603e-05 deg
tp 2458280.089040862206
(2018-Jun-10.58904086)
0.00014529 TDB
period 1706.827768953912
4.67
2.881e-05
7.888e-08
d
yr
n .2109175902502678 3.5602e-09 deg/d
Q 3.084916785166414 3.4715e-08 au
  Orbit Determination Parameters
   # obs. used (total)      228  
   data-arc span      6551 days (17.94 yr)  
   first obs. used      2001-01-24  
   last obs. used      2019-01-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62632  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 12:53:14  

Additional Information
 Earth MOID = 1.50422 au 
 Jupiter MOID = 2.32389 au 
 T_jup = 3.315 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456747.5 (2014-Mar-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1024512697099545 8.5079e-08  
q 2.507656169208158 2.36e-07 au
tp 2456563.760874283258
(2013-Sep-28.26087428)
0.0001534 TDB
node 87.53002810258243 0.00011973 deg
peri 264.5014375098873 0.00012428 deg
i 4.494982251764207 5.9576e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      228  
   data-arc span      6551 days (17.94 yr)  
   first obs. used      2001-01-24  
   last obs. used      2019-01-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62632  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 12:53:14  

Additional Information
 Jupiter MOID = 2.32389 au 
 T_jup = 3.315 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.23848497221889E-15 -1.993878054652934E-14 3.972985334195788E-12 8.639910627875439E-14 7.60865477288822E-13 -1.044749824029342E-14
q -1.993878054652934E-14 5.569700479118227E-14 -1.20173373995536E-11 -2.471848274194761E-13 -2.305839032030994E-12 2.98864878749188E-14
tp 3.972985334195788E-12 -1.20173373995536E-11 2.353268841739547E-8 3.253072243951455E-11 5.24840968036199E-9 -7.984079368835428E-12
node 8.639910627875439E-14 -2.471848274194761E-13 3.253072243951455E-11 1.433598782263475E-8 -1.428491890057138E-8 -1.767489052048838E-10
peri 7.60865477288822E-13 -2.305839032030994E-12 5.24840968036199E-9 -1.428491890057138E-8 1.544433431826599E-8 1.74525934400037E-10
i -1.044749824029342E-14 2.98864878749188E-14 -7.984079368835428E-12 -1.767489052048838E-10 1.74525934400037E-10 3.549343306544719E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.0   n/a MPO470491  

233946 (2009 WG125)          Discovered 2009-Nov-20 by Spacewatch at Kitt Peak
Reference: 20100228/Numbers.arcLast Updated: 2010-03-03

Alternate Designations
 2009 WG125 = 2004 TD170 = 2005 YE153 = 2007 EB118 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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