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JPL Small-Body Database Browser
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172623 (2003 WW158)
Classification: Main-belt Asteroid          SPK-ID: 2172623
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 .06866498810119813 4.5578e-08  
a 2.311976606691569 1.5578e-08 au
q 2.153224760502844 1.1004e-07 au
i 2.12437425121212 5.3731e-06 deg
node 242.3482774493598 0.0001878 deg
peri 15.23984384774351 0.00019925 deg
M 46.27737460886436 7.0312e-05 deg
tp 2458835.440778661403
(2019-Dec-17.94077866)
0.00025049 TDB
period 1284.025297115985
3.52
1.2977e-05
3.553e-08
d
yr
n .2803683080143252 2.8336e-09 deg/d
Q 2.470728452880294 1.6648e-08 au
  Orbit Determination Parameters
   # obs. used (total)      295  
   data-arc span      7127 days (19.51 yr)  
   first obs. used      1999-10-06  
   last obs. used      2019-04-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65936  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 12:44:24  

Additional Information
 Earth MOID = 1.13818 au 
 Jupiter MOID = 2.54825 au 
 T_jup = 3.580 
[ 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 16.8   n/a MPO433108  

172623 (2003 WW158)          Discovered 2003-Nov-29 by Spacewatch at Kitt Peak
Reference: 20071224/Numbers.arcLast Updated: 2007-12-22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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