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JPL Small-Body Database Browser
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379320 (2009 WS32)
Classification: Main-belt Asteroid          SPK-ID: 2379320
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1088357767824926 8.306e-08  
a 2.753999249671536 4.1039e-08 au
q 2.454265602075132 2.4006e-07 au
i 1.999906771665896 7.6485e-06 deg
node 245.3716020888724 0.00027071 deg
peri 230.0808232382034 0.00027394 deg
M 345.1898720328267 4.0906e-05 deg
tp 2458669.175283918688
(2019-Jul-04.67528392)
0.0001902 TDB
period 1669.337514539149
4.57
3.7314e-05
1.022e-07
d
yr
n .2156544119236334 4.8204e-09 deg/d
Q 3.053732897267939 4.5506e-08 au
  Orbit Determination Parameters
   # obs. used (total)      114  
   data-arc span      5179 days (14.18 yr)  
   first obs. used      2004-10-08  
   last obs. used      2018-12-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61585  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 12:43:39  

Additional Information
 Earth MOID = 1.47152 au 
 Jupiter MOID = 2.03436 au 
 T_jup = 3.335 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456756.5 (2014-Apr-09.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1089127548486789 8.3597e-08  
q 2.453099891996215 2.4151e-07 au
tp 2457004.116092773551
(2014-Dec-12.61609277)
0.00017956 TDB
node 245.5032591711723 0.00027062 deg
peri 230.8811327140612 0.0002738 deg
i 2.000252646173776 7.6529e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      114  
   data-arc span      5179 days (14.18 yr)  
   first obs. used      2004-10-08  
   last obs. used      2018-12-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61585  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 12:43:39  

Additional Information
 Jupiter MOID = 2.03436 au 
 T_jup = 3.335 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.988406142157043E-15 -1.997216172807158E-14 2.61610052954728E-12 3.909125379468875E-14 6.030088607222081E-13 -2.846189262220097E-15
q -1.997216172807158E-14 5.832606491719276E-14 -6.249341905155813E-12 -1.11888327734782E-13 -1.488655903628373E-12 8.883644600334582E-15
tp 2.61610052954728E-12 -6.249341905155813E-12 3.224092290952379E-8 -3.478485343964334E-11 7.579961453699512E-9 -3.017176573988893E-12
node 3.909125379468875E-14 -1.11888327734782E-13 -3.478485343964334E-11 7.323768593125356E-8 -7.320087054370591E-8 2.998935154212893E-10
peri 6.030088607222081E-13 -1.488655903628373E-12 7.579961453699512E-9 -7.320087054370591E-8 7.496751823732191E-8 -3.004636243523595E-10
i -2.846189262220097E-15 8.883644600334582E-15 -3.017176573988893E-12 2.998935154212893E-10 -3.004636243523595E-10 5.856689902289956E-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 MPO471889  

379320 (2009 WS32)          Discovered 2009-Nov-16 by Spacewatch at Kitt Peak
Reference: Last Updated: 2013-11-20

Alternate Designations
 2009 WS32 = 2004 TN228 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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