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JPL Small-Body Database Browser
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379315 (2009 WA19)
Classification: Main-belt Asteroid          SPK-ID: 2379315
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1156182570129599 6.3992e-08  
a 2.575110608057531 3.3416e-08 au
q 2.277380807938336 1.6335e-07 au
i 3.049696820549407 6.4995e-06 deg
node 110.0036259696844 0.00011089 deg
peri 176.7590454123982 0.00011829 deg
M 314.2215925493668 4.6699e-05 deg
tp 2459192.433347662446
(2020-Dec-08.93334766)
0.0001965 TDB
period 1509.357992258526
4.13
2.9379e-05
8.044e-08
d
yr
n .2385120043398813 4.6426e-09 deg/d
Q 2.872840408176726 3.7279e-08 au
  Orbit Determination Parameters
   # obs. used (total)      135  
   data-arc span      6764 days (18.52 yr)  
   first obs. used      2000-07-29  
   last obs. used      2019-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5917  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 03:09:55  

Additional Information
 Earth MOID = 1.26099 au 
 Jupiter MOID = 2.26065 au 
 T_jup = 3.416 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457357.5 (2015-Dec-01.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1147694339583631 6.3936e-08  
q 2.280255650612875 1.6258e-07 au
tp 2457681.499641511284
(2016-Oct-19.99964151)
0.00019378 TDB
node 110.0151957604644 0.0001109 deg
peri 176.4379394049764 0.00011838 deg
i 3.049328020512827 6.4982e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      135  
   data-arc span      6764 days (18.52 yr)  
   first obs. used      2000-07-29  
   last obs. used      2019-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5917  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 03:09:55  

Additional Information
 Jupiter MOID = 2.26065 au 
 T_jup = 3.416 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.087767393866924E-15 -1.022273935448235E-14 5.100976991788798E-12 -5.08572837884997E-14 1.063242266468778E-12 -1.122247210236499E-15
q -1.022273935448235E-14 2.643293746970763E-14 -1.272361817375325E-11 1.272538685952177E-13 -2.69140247440036E-12 3.355081682680505E-15
tp 5.100976991788798E-12 -1.272361817375325E-11 3.754967234181601E-8 -1.833564974857115E-10 8.065773489066025E-9 -1.976795129872485E-11
node -5.08572837884997E-14 1.272538685952177E-13 -1.833564974857115E-10 1.229787806687281E-8 -1.231798542901766E-8 1.001189348389101E-10
peri 1.063242266468778E-12 -2.69140247440036E-12 8.065773489066025E-9 -1.231798542901766E-8 1.401472589115777E-8 -1.041505103361307E-10
i -1.122247210236499E-15 3.355081682680505E-15 -1.976795129872485E-11 1.001189348389101E-10 -1.041505103361307E-10 4.222665115964232E-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 17.2   n/a MPO427885  

379315 (2009 WA19)          Discovered 2009-Oct-22 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2013-11-20
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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