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JPL Small-Body Database Browser
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172618 (2003 WH139)
Classification: Main-belt Asteroid          SPK-ID: 2172618
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 .09790785617032464 5.1184e-08  
a 2.681614727713365 2.5562e-08 au
q 2.41906357864818 1.4249e-07 au
i 16.04514686928989 6.8969e-06 deg
node 70.95730276526216 2.0173e-05 deg
peri 272.5218845531413 3.9965e-05 deg
M 356.2545442201041 3.6163e-05 deg
tp 2459017.187649649358
(2020-Jun-16.68764965)
0.0001612 TDB
period 1603.95802989181
4.39
2.2934e-05
6.279e-08
d
yr
n .2244447755433367 3.2092e-09 deg/d
Q 2.944165876778549 2.8064e-08 au
  Orbit Determination Parameters
   # obs. used (total)      375  
   data-arc span      8938 days (24.47 yr)  
   first obs. used      1994-12-02  
   last obs. used      2019-05-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65633  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 18:05:28  

Additional Information
 Earth MOID = 1.47687 au 
 Jupiter MOID = 2.41567 au 
 T_jup = 3.314 
[ 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 MPO475462  

172618 (2003 WH139)          Discovered 2003-Nov-21 by LINEAR at Socorro
Reference: 20071224/Numbers.arcLast Updated: 2007-12-22

[ show close-approach data ]
Alternate Designations
 2003 WH139 = 1994 XO3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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