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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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1729125727233177 4.1721e-08  
a 2.553072025667619 1.5508e-08 au
q 2.111613773361499 1.0751e-07 au
i 15.78470405578913 5.5872e-06 deg
node 100.5107968879888 1.5624e-05 deg
peri 215.1978279948409 2.2486e-05 deg
M 306.0957591575297 1.7887e-05 deg
tp 2459223.607135708978
(2021-Jan-09.10713571)
7.4623e-05 TDB
period 1490.023189269186
4.08
1.3576e-05
3.717e-08
d
yr
n .241606978060905 2.2014e-09 deg/d
Q 2.994530277973739 1.819e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1381  
   data-arc span      9994 days (27.36 yr)  
   first obs. used      1992-09-23  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47891  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 05:10:02  

Additional Information
 Earth MOID = 1.11427 au 
 Jupiter MOID = 2.29244 au 
 T_jup = 3.366 
[ show covariance matrix ]

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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