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39099 (2000 WS12)
Classification: Main-belt Asteroid          SPK-ID: 2039099
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 .2078802090485819 4.3993e-08  
a 2.569087235028787 1.1737e-08 au
q 2.035024843546959 1.1743e-07 au
i 8.102132883207808 4.3975e-06 deg
node 175.9705110230985 2.2702e-05 deg
peri 194.1802034858415 2.409e-05 deg
M 305.1488855005938 9.8351e-06 deg
tp 2459229.665722915872
(2021-Jan-15.16572292)
4.2036e-05 TDB
period 1504.065341290509
4.12
1.0307e-05
2.822e-08
d
yr
n .2393513035086063 1.6403e-09 deg/d
Q 3.103149626510614 1.4177e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1345  
   data-arc span      17762 days (48.63 yr)  
   first obs. used      1971-10-21  
   last obs. used      2020-06-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5735  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 20:59:01  

Additional Information
 Earth MOID = 1.03533 au 
 Jupiter MOID = 2.35955 au 
 T_jup = 3.386 
[ 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 14.5   n/a MPO436043  
diameter diameter 4.139 km 1.143 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.163   0.057 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

39099 (2000 WS12)          Discovered 2000-Nov-22 by JPL/NEAT at Haleakala
Reference: 20020328/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2000 WS12 = 1971 UK2 = 1998 FB140 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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