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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2087624320106677 4.6551e-08  
a 2.567203074343896 1.293e-08 au
q 2.031267517078601 1.2355e-07 au
i 8.1045152897641 5.046e-06 deg
node 176.052887185692 2.3672e-05 deg
peri 194.2936554059204 2.5158e-05 deg
M 209.2230869476101 9.9254e-06 deg
tp 2459229.746936503386
(2021-Jan-15.24693650)
4.4181e-05 TDB
period 1502.41102934975
4.11
1.1351e-05
3.108e-08
d
yr
n .2396148543689869 1.8103e-09 deg/d
Q 3.103138631609191 1.563e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1256  
   data-arc span      17369 days (47.55 yr)  
   first obs. used      1971-10-21  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56353  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 04:06:14  

Additional Information
 Earth MOID = 1.03081 au 
 Jupiter MOID = 2.35627 au 
 T_jup = 3.387 
[ 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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