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JPL Small-Body Database Browser
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193421 (2000 WD88)
Classification: Main-belt Asteroid          SPK-ID: 2193421
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2664373272344434 6.1993e-08  
a 2.592093164799209 2.0482e-08 au
q 1.901462790027438 1.5662e-07 au
i 17.50310570505991 8.6545e-06 deg
node 288.3307602392384 3.5978e-05 deg
peri 164.1269951026558 5.1007e-05 deg
M 244.5681592001965 3.7413e-05 deg
tp 2459489.262027648518
(2021-Oct-01.76202765)
0.00016265 TDB
period 1524.313644608931
4.17
1.8067e-05
4.946e-08
d
yr
n .2361718674324138 2.7992e-09 deg/d
Q 3.282723539570979 2.5939e-08 au
  Orbit Determination Parameters
   # obs. used (total)      362  
   data-arc span      6385 days (17.48 yr)  
   first obs. used      2000-11-20  
   last obs. used      2018-05-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5589  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 07:58:22  

Additional Information
 Earth MOID = .923115 au 
 Jupiter MOID = 1.92873 au 
 T_jup = 3.305 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.3   n/a MPO436955  
diameter diameter 3.320 km 0.233 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.176   0.025 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

193421 (2000 WD88)          Discovered 2000-Nov-20 by LINEAR at Socorro
Reference: 20081113/Numbers.arcLast Updated: 2008-11-17

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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