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193408 (2000 WB38)
Classification: Main-belt Asteroid          SPK-ID: 2193408
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2714675263579515 6.8149e-08  
a 2.578491752594561 2.2762e-08 au
q 1.878514974783336 1.8361e-07 au
i 4.956594574570656 7.3418e-06 deg
node 122.1234214692166 6.8958e-05 deg
peri 237.6843799707183 7.026e-05 deg
M 297.1438637490634 1.7847e-05 deg
tp 2459264.553681922952
(2021-Feb-19.05368192)
7.7833e-05 TDB
period 1512.331669779435
4.14
2.0025e-05
5.483e-08
d
yr
n .2380430213780446 3.152e-09 deg/d
Q 3.278468530405786 2.8941e-08 au
  Orbit Determination Parameters
   # obs. used (total)      283  
   data-arc span      6747 days (18.47 yr)  
   first obs. used      2000-11-02  
   last obs. used      2019-04-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60757  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 14:10:13  

Additional Information
 Earth MOID = .880567 au 
 Jupiter MOID = 2.18394 au 
 T_jup = 3.368 
[ 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 16.4   n/a MPO436955  

193408 (2000 WB38)          Discovered 2000-Nov-20 by LINEAR at Socorro
Reference: 20081113/Numbers.arcLast Updated: 2008-11-17

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2059-Jun-18 22:50 00:02 Europ 0.0390553783534566 0.0390477939439771 0.039062966784151 4.78390370246454 4.78390364557814 2473263.451595612 1.54931181051429 744.584147176518 85.8727328488833 -60.1364714357606 59103.7558109563 T 13 CATAB v2.0e-lin.ifort 2019-Jul-13 14:10:20 2019-Jul-13 14:10
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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