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JPL Small-Body Database Browser
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172617 (2003 WG139)
Classification: Main-belt Asteroid          SPK-ID: 2172617
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05317700642773954 9.5272e-08  
a 2.524297624820182 1.6364e-08 au
q 2.390063033799591 2.4497e-07 au
i 10.01577587241139 8.5333e-06 deg
node 264.9984942093781 2.4776e-05 deg
peri 192.1553384222527 5.5875e-05 deg
M 23.43536965614354 4.6852e-05 deg
tp 2458905.137292627602
(2020-Feb-25.63729263)
0.00019069 TDB
period 1464.904337238121
4.01
1.4245e-05
3.9e-08
d
yr
n .2457498355686019 2.3897e-09 deg/d
Q 2.658532215840772 1.7234e-08 au
  Orbit Determination Parameters
   # obs. used (total)      339  
   data-arc span      7333 days (20.08 yr)  
   first obs. used      1999-12-31  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52153  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 16:52:13  

Additional Information
 Earth MOID = 1.40757 au 
 Jupiter MOID = 2.493 au 
 T_jup = 3.431 
[ 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 16.2   n/a MPO454183  

172617 (2003 WG139)          Discovered 2003-Nov-21 by LINEAR at Socorro
Reference: 20071224/Numbers.arcLast Updated: 2007-12-22

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