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JPL Small-Body Database Browser
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39113 (2000 WM32)
Classification: Main-belt Asteroid          SPK-ID: 2039113
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0452258525247789 4.8493e-08  
a 2.753302174765039 1.6697e-08 au
q 2.628781736652962 1.3596e-07 au
i 13.76755789363593 4.5307e-06 deg
node 88.92313397099218 2.1485e-05 deg
peri 288.7700552377067 5.1183e-05 deg
M 142.9797365788291 4.6379e-05 deg
tp 2458337.747712455604
(2018-Aug-07.24771246)
0.00021497 TDB
period 1668.703756384668
4.57
1.5179e-05
4.156e-08
d
yr
n .2157363154619838 1.9624e-09 deg/d
Q 2.877822612877115 1.7452e-08 au
  Orbit Determination Parameters
   # obs. used (total)      998  
   data-arc span      8376 days (22.93 yr)  
   first obs. used      1997-01-28  
   last obs. used      2020-01-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52265  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 05:46:18  

Additional Information
 Earth MOID = 1.67048 au 
 Jupiter MOID = 2.3979 au 
 T_jup = 3.301 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456924.5 (2014-Sep-24.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04312664866503337 4.8142e-08  
q 2.634419399487134 1.3446e-07 au
tp 2456662.221475114379
(2014-Jan-04.72147511)
0.00022828 TDB
node 89.05016518996571 2.146e-05 deg
peri 287.4010408215412 5.3707e-05 deg
i 13.77625988235474 4.5315e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      998  
   data-arc span      8376 days (22.93 yr)  
   first obs. used      1997-01-28  
   last obs. used      2020-01-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52265  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 05:46:18  

Additional Information
 Jupiter MOID = 2.3979 au 
 T_jup = 3.301 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.317613055219927E-15 -6.428275168187036E-15 1.186158326731274E-12 -1.774406226123014E-15 2.501382311335088E-13 -8.687848962031817E-17
q -6.428275168187036E-15 1.807961096151012E-14 -3.529539430773499E-12 3.745835841666322E-15 -7.378626853068809E-13 9.625047476964965E-16
tp 1.186158326731274E-12 -3.529539430773499E-12 5.211349409625472E-8 2.65566032328609E-12 1.12752648639245E-8 8.949389973436807E-13
node -1.774406226123014E-15 3.745835841666322E-15 2.65566032328609E-12 4.605362274091176E-10 -4.462050116213866E-10 -2.303560487254665E-11
peri 2.501382311335088E-13 -7.378626853068809E-13 1.12752648639245E-8 -4.462050116213866E-10 2.884394468814446E-9 2.258570259151052E-11
i -8.687848962031817E-17 9.625047476964965E-16 8.949389973436807E-13 -2.303560487254665E-11 2.258570259151052E-11 2.053489475317412E-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 14.5   n/a MPO365711  
diameter diameter 4.187 km 0.324 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.253   0.108 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

39113 (2000 WM32)          Discovered 2000-Nov-20 by LINEAR at Socorro
Reference: 20020328/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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