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19520 (1998 WC24)
Classification: Main-belt Asteroid          SPK-ID: 2019520
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1199020945498716 3.0866e-08  
a 2.604672446527859 1.1495e-08 au
q 2.29236676457283 8.2187e-08 au
i 13.13113412790153 4.2454e-07 deg
node 350.2105007069588 3.774e-06 deg
peri 234.3454364562656 5.5122e-06 deg
M 9.627839565817967 4.9156e-06 deg
tp 2459159.436643577634
(2020-Nov-05.93664358)
2.0878e-05 TDB
period 1535.423207978628
4.20
1.0164e-05
2.783e-08
d
yr
n .2344630445399721 1.5521e-09 deg/d
Q 2.916978128482887 1.2873e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2053  
   data-arc span      11207 days (30.68 yr)  
   first obs. used      1989-11-09  
   last obs. used      2020-07-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .43129  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:56:37  

Additional Information
 Earth MOID = 1.31146 au 
 Jupiter MOID = 2.13424 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 13.28   n/a E2021B10  

19520 (1998 WC24)          Discovered 1998-Nov-25 by LINEAR at Socorro
Reference: 20001211/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 WC24 = 1995 GQ 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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