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JPL Small-Body Database Browser
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379358 (2009 WG175)
Classification: Main-belt Asteroid          SPK-ID: 2379358
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1736716349198605 4.8396e-08  
a 2.668099671447525 3.8741e-08 au
q 2.204726439378091 1.3362e-07 au
i 5.96236176906768 8.6774e-06 deg
node 319.020488425962 6.8918e-05 deg
peri 311.1858445389155 7.4988e-05 deg
M 288.2402742052737 3.0127e-05 deg
tp 2459317.807085960801
(2021-Apr-13.30708596)
0.00013339 TDB
period 1591.847651043886
4.36
3.4671e-05
9.492e-08
d
yr
n .226152295267655 4.9256e-09 deg/d
Q 3.13147290351696 4.5469e-08 au
  Orbit Determination Parameters
   # obs. used (total)      130  
   data-arc span      8004 days (21.91 yr)  
   first obs. used      1998-03-04  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56808  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 03:10:08  

Additional Information
 Earth MOID = 1.19407 au 
 Jupiter MOID = 2.01245 au 
 T_jup = 3.353 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457316.5 (2015-Oct-21.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1736998582922432 4.8443e-08  
q 2.206407699633029 1.3368e-07 au
tp 2457723.448777197889
(2016-Nov-30.94877720)
0.00013601 TDB
node 319.0736602282718 6.8859e-05 deg
peri 310.6898920278098 7.4911e-05 deg
i 5.963837515150108 8.6784e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      130  
   data-arc span      8004 days (21.91 yr)  
   first obs. used      1998-03-04  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56808  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 03:10:08  

Additional Information
 Jupiter MOID = 2.01245 au 
 T_jup = 3.353 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.346721511974443E-15 -6.288914738025858E-15 1.279375190370618E-13 1.635680076805111E-14 1.796794097411394E-14 1.364608124223107E-15
q -6.288914738025858E-15 1.786969816171901E-14 -1.151974482741984E-12 -4.470500543051871E-14 -2.801474128934315E-13 -2.030857149245595E-15
tp 1.279375190370618E-13 -1.151974482741984E-12 1.849999906606677E-8 7.169410492588381E-11 4.068741004870066E-9 -5.496324214588232E-12
node 1.635680076805111E-14 -4.470500543051871E-14 7.169410492588381E-11 4.741503189128024E-9 -4.699823560284901E-9 2.898072591617752E-10
peri 1.796794097411394E-14 -2.801474128934315E-13 4.068741004870066E-9 -4.699823560284901E-9 5.611623051954569E-9 -2.894930605350813E-10
i 1.364608124223107E-15 -2.030857149245595E-15 -5.496324214588232E-12 2.898072591617752E-10 -2.894930605350813E-10 7.531391577242301E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.8   n/a MPO418929  

379358 (2009 WG175)          Discovered 2009-Nov-23 by Spacewatch at Kitt Peak
Reference: Last Updated: 2013-11-20

[ show close-approach data ]
Alternate Designations
 2009 WG175 = 2008 PP12 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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