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JPL Small-Body Database Browser
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379380 (2009 XF4)
Classification: Main-belt Asteroid          SPK-ID: 2379380
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09950147031653968 5.4249e-08  
a 2.730900609470685 3.2767e-08 au
q 2.459171983540018 1.4723e-07 au
i 12.8188489716952 6.697e-06 deg
node 81.48779621532883 2.6449e-05 deg
peri 22.73668504742118 4.8503e-05 deg
M 91.96642143756081 3.7268e-05 deg
tp 2458579.401150008335
(2019-Apr-05.90115001)
0.00017043 TDB
period 1648.379741511668
4.51
2.9668e-05
8.123e-08
d
yr
n .2183962778321077 3.9307e-09 deg/d
Q 3.002629235401353 3.6028e-08 au
  Orbit Determination Parameters
   # obs. used (total)      145  
   data-arc span      4734 days (12.96 yr)  
   first obs. used      2007-05-11  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5288  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-22 00:28:57  

Additional Information
 Earth MOID = 1.48059 au 
 Jupiter MOID = 2.19159 au 
 T_jup = 3.311 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457507.5 (2016-Apr-29.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1002312057008796 5.408e-08  
q 2.457106285336452 1.4688e-07 au
tp 2456932.557858113327
(2014-Oct-02.05785811)
0.00017166 TDB
node 81.50011462481815 2.6449e-05 deg
peri 23.14801115286493 4.8292e-05 deg
i 12.81949039462156 6.6973e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      145  
   data-arc span      4734 days (12.96 yr)  
   first obs. used      2007-05-11  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5288  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-22 00:28:57  

Additional Information
 Jupiter MOID = 2.19159 au 
 T_jup = 3.311 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.924607373716177E-15 -7.784598934477931E-15 -2.737127262516648E-12 2.609536807994725E-14 -6.820719362657014E-13 -7.399596597505008E-15
q -7.784598934477931E-15 2.157442542547388E-14 6.610610872488746E-12 -7.29952109218974E-14 1.731183626562203E-12 2.259244128742104E-14
tp -2.737127262516648E-12 6.610610872488746E-12 2.946830140621056E-8 -3.08509977872911E-12 6.955139042349443E-9 -1.070349382806173E-11
node 2.609536807994725E-14 -7.29952109218974E-14 -3.08509977872911E-12 6.995474349114212E-10 -6.82824480824662E-10 -3.066030530641732E-11
peri -6.820719362657014E-13 1.731183626562203E-12 6.955139042349443E-9 -6.82824480824662E-10 2.332162892450414E-9 2.752176461161847E-11
i -7.399596597505008E-15 2.259244128742104E-14 -1.070349382806173E-11 -3.066030530641732E-11 2.752176461161847E-11 4.485342964706878E-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 16.8   n/a MPO471890  

379380 (2009 XF4)          Discovered 2009-Dec-10 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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