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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09973983763405612 6.0261e-08  
a 2.73177971495338 3.8157e-08 au
q 2.459312449731921 1.7222e-07 au
i 12.81896157854247 7.502e-06 deg
node 81.48941951697431 2.6782e-05 deg
peri 22.86632059969516 4.9448e-05 deg
M 4.491189285349392 3.7466e-05 deg
tp 2458579.925665374378
(2019-Apr-06.42566537)
0.00017166 TDB
period 1649.175751595555
4.52
3.4553e-05
9.46e-08
d
yr
n .2182908641797 4.5736e-09 deg/d
Q 3.004246980174838 4.1963e-08 au
  Orbit Determination Parameters
   # obs. used (total)      131  
   data-arc span      4291 days (11.75 yr)  
   first obs. used      2007-05-11  
   last obs. used      2019-02-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53528  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 12:57:15  

Additional Information
 Earth MOID = 1.4809 au 
 Jupiter MOID = 2.19092 au 
 T_jup = 3.311 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457299.5 (2015-Oct-04.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1002469279203603 6.0204e-08  
q 2.457587497041347 1.7236e-07 au
tp 2456933.059171808424
(2014-Oct-02.55917181)
0.0001761 TDB
node 81.50651339596779 2.6788e-05 deg
peri 23.27356163845058 4.9265e-05 deg
i 12.81830047526697 7.5015e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      131  
   data-arc span      4291 days (11.75 yr)  
   first obs. used      2007-05-11  
   last obs. used      2019-02-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53528  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 12:57:15  

Additional Information
 Jupiter MOID = 2.19092 au 
 T_jup = 3.311 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.624486578723407E-15 -1.017238514476704E-14 -1.701785216204864E-12 3.370726378969884E-14 -4.301021258390073E-13 -1.367488546032619E-14
q -1.017238514476704E-14 2.970835910679721E-14 3.076687571611064E-12 -1.021936071358423E-13 8.740044931503873E-13 4.138572111984059E-14
tp -1.701785216204864E-12 3.076687571611064E-12 3.101250676899969E-8 3.335979171206381E-11 7.302548561518846E-9 9.254520611721617E-13
node 3.370726378969884E-14 -1.021936071358423E-13 3.335979171206381E-11 7.175874518203213E-10 -6.915627463360911E-10 -1.646361268346176E-11
peri -4.301021258390073E-13 8.740044931503873E-13 7.302548561518846E-9 -6.915627463360911E-10 2.427017474624229E-9 1.6385188639119E-11
i -1.367488546032619E-14 4.138572111984059E-14 9.254520611721617E-13 -1.646361268346176E-11 1.6385188639119E-11 5.627220712236382E-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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