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JPL Small-Body Database Browser
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39323 (2001 WO40)
Classification: Main-belt Asteroid          SPK-ID: 2039323
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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1729125726659324 3.9732e-08  
a 2.553072025162095 1.4064e-08 au
q 2.111613773089895 1.0402e-07 au
i 15.78470478155516 5.2238e-06 deg
node 100.5107984732569 1.5278e-05 deg
peri 215.1978258285822 2.2088e-05 deg
M 306.0957600824078 1.7393e-05 deg
tp 2459223.607131814686
(2021-Jan-09.10713181)
7.2388e-05 TDB
period 1490.023188826635
4.08
1.2312e-05
3.371e-08
d
yr
n .2416069781326646 1.9964e-09 deg/d
Q 2.994530277234295 1.6496e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1443  
   data-arc span      10078 days (27.59 yr)  
   first obs. used      1992-09-23  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47767  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 08:42:12  

Additional Information
 Earth MOID = 1.11427 au 
 Jupiter MOID = 2.29244 au 
 T_jup = 3.366 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457073.5 (2015-Feb-20.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1714388675288119 3.9776e-08  
q 2.117133549590642 1.0392e-07 au
tp 2457733.465724825006
(2016-Dec-10.96572482)
7.1356e-05 TDB
node 100.561262147312 1.5267e-05 deg
peri 214.9896116168794 2.2212e-05 deg
i 15.78557357558544 5.2235e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1443  
   data-arc span      10078 days (27.59 yr)  
   first obs. used      1992-09-23  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47767  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 08:42:12  

Additional Information
 Jupiter MOID = 2.29244 au 
 T_jup = 3.366 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.582106239603585E-15 -4.10752731051666E-15 -1.224420639669766E-12 -1.152455339571142E-14 -2.498711162686527E-13 2.493783890171128E-15
q -4.10752731051666E-15 1.079965733132259E-14 3.167003348675638E-12 3.082508896987321E-14 6.316335906492816E-13 -6.863437306495145E-15
tp -1.224420639669766E-12 3.167003348675638E-12 5.091661937664662E-9 8.437760644064163E-12 1.163276894345728E-9 1.814535525149063E-12
node -1.152455339571142E-14 3.082508896987321E-14 8.437760644064163E-12 2.330798063172143E-10 -2.223168259529292E-10 -1.952157381180958E-11
peri -2.498711162686527E-13 6.316335906492816E-13 1.163276894345728E-9 -2.223168259529292E-10 4.933521141020799E-10 1.939140947593529E-11
i 2.493783890171128E-15 -6.863437306495145E-15 1.814535525149063E-12 -1.952157381180958E-11 1.939140947593529E-11 2.728524241404184E-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 13.9   n/a MPO385067  
diameter diameter 5.016 km 0.425 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.255   0.069 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

39323 (2001 WO40)          Discovered 2001-Nov-17 by LINEAR at Socorro
Reference: 20020328/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2001 WO40 = 1992 SU24 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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