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JPL Small-Body Database Browser
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172438 (2003 QW37)
Classification: Main-belt Asteroid          SPK-ID: 2172438
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1737497237206023 7.181e-08  
a 2.292111935720596 1.0482e-08 au
q 1.893858120152448 1.6399e-07 au
i 4.615345039433675 6.4352e-06 deg
node 314.9959141892238 6.4758e-05 deg
peri 10.73011586881673 6.6141e-05 deg
M 303.1533311498336 1.5449e-05 deg
tp 2459200.649578896779
(2020-Dec-17.14957890)
5.4915e-05 TDB
period 1267.512237045168
3.47
8.6949e-06
2.381e-08
d
yr
n .2840209265665427 1.9483e-09 deg/d
Q 2.690365751288744 1.2304e-08 au
  Orbit Determination Parameters
   # obs. used (total)      398  
   data-arc span      9222 days (25.25 yr)  
   first obs. used      1993-11-10  
   last obs. used      2019-02-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53827  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 12:12:02  

Additional Information
 Earth MOID = .882128 au 
 Jupiter MOID = 2.63184 au 
 T_jup = 3.573 
[ 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 16.7   n/a MPO433107  

172438 (2003 QW37)          Discovered 2003-Aug-22 by LINEAR at Socorro
Reference: 20071224/Numbers.arcLast Updated: 2007-12-22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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