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JPL Small-Body Database Browser
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379350 (2009 WG132)
Classification: Main-belt Asteroid          SPK-ID: 2379350
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1613946800542961 1.2864e-07  
a 2.551214937797179 2.4409e-08 au
q 2.139462419161662 3.3883e-07 au
i 19.84393377613122 1.2813e-05 deg
node 72.61396805642011 2.22e-05 deg
peri 17.83676144474661 6.091e-05 deg
M 193.9458194875528 5.5778e-05 deg
tp 2459687.040739468628
(2022-Apr-17.54073947)
0.00023661 TDB
period 1488.397735281224
4.08
2.1361e-05
5.848e-08
d
yr
n .2418708329544589 3.4712e-09 deg/d
Q 2.962967456432695 2.8349e-08 au
  Orbit Determination Parameters
   # obs. used (total)      222  
   data-arc span      6382 days (17.47 yr)  
   first obs. used      2001-12-09  
   last obs. used      2019-05-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59758  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 03:10:08  

Additional Information
 Earth MOID = 1.16137 au 
 Jupiter MOID = 2.32678 au 
 T_jup = 3.340 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457346.5 (2015-Nov-20.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1631200528159308 1.2984e-07  
q 2.132210326294399 3.423e-07 au
tp 2456712.659438781589
(2014-Feb-24.15943878)
0.00020726 TDB
node 72.63460133954152 2.2185e-05 deg
peri 17.54979739766006 6.0117e-05 deg
i 19.86300252504752 1.2832e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      222  
   data-arc span      6382 days (17.47 yr)  
   first obs. used      2001-12-09  
   last obs. used      2019-05-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59758  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 03:10:08  

Additional Information
 Jupiter MOID = 2.32678 au 
 T_jup = 3.340 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.685806384358103E-14 -4.438382796180421E-14 -2.492178818949404E-11 -2.689848996273401E-13 -6.738599400467939E-12 1.150078116150672E-13
q -4.438382796180421E-14 1.171660030570006E-13 6.57357222652991E-11 7.044013686834976E-13 1.781226350962741E-11 -2.987435121070277E-13
tp -2.492178818949404E-11 6.57357222652991E-11 4.295472468368383E-8 4.307669436978302E-10 1.165346983337867E-8 -1.920932903897442E-10
node -2.689848996273401E-13 7.044013686834976E-13 4.307669436978302E-10 4.921605143368405E-10 -3.420835440801657E-10 -2.204582400194628E-10
peri -6.738599400467939E-12 1.781226350962741E-11 1.165346983337867E-8 -3.420835440801657E-10 3.61408779535165E-9 1.539726841681083E-10
i 1.150078116150672E-13 -2.987435121070277E-13 -1.920932903897442E-10 -2.204582400194628E-10 1.539726841681083E-10 1.646497563684977E-10

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 MPO434347  
diameter diameter 2.127 km 0.459 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.074   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

379350 (2009 WG132)          Discovered 2009-Nov-20 by Andrushivka at Andrushivka
Reference: Last Updated: 2013-11-20
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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