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JPL Small-Body Database Browser
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172598 (2003 WK31)
Classification: Main-belt Asteroid          SPK-ID: 2172598
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06015333453675339 1.0826e-07  
a 2.42178744400144 1.7371e-08 au
q 2.276108853705512 2.6356e-07 au
i 5.288832771801717 5.644e-06 deg
node 273.9023150628668 7.5371e-05 deg
peri 221.3532826258906 9.6081e-05 deg
M 54.55969018857725 5.6419e-05 deg
tp 2458791.872354640459
(2019-Nov-04.37235464)
0.00021571 TDB
period 1376.583189344411
3.77
1.4811e-05
4.055e-08
d
yr
n .2615170683374739 2.8137e-09 deg/d
Q 2.567466034297367 1.8416e-08 au
  Orbit Determination Parameters
   # obs. used (total)      304  
   data-arc span      6476 days (17.73 yr)  
   first obs. used      2001-01-26  
   last obs. used      2018-10-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58953  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-31 03:26:00  

Additional Information
 Earth MOID = 1.29346 au 
 Jupiter MOID = 2.46464 au 
 T_jup = 3.505 
[ 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 16.3   n/a MPO379573  

172598 (2003 WK31)          Discovered 2003-Nov-18 by NEAT at Palomar
Reference: 20071224/Numbers.arcLast Updated: 2007-12-22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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