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JPL Small-Body Database Browser
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172432 (2003 QD18)
Classification: Main-belt Asteroid          SPK-ID: 2172432
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 .2240220885887043 4.2134e-08  
a 2.321768508164448 9.9473e-09 au
q 1.801641077745969 9.9304e-08 au
i 2.827699577322921 4.9445e-06 deg
node 56.81409627716299 0.00010241 deg
peri 280.4212532259937 0.00010323 deg
M 263.7130628567301 1.3518e-05 deg
tp 2459346.114275533428
(2021-May-11.61427553)
4.9786e-05 TDB
period 1292.191265850547
3.54
8.3043e-06
2.274e-08
d
yr
n .2785965278623366 1.7904e-09 deg/d
Q 2.841895938582928 1.2176e-08 au
  Orbit Determination Parameters
   # obs. used (total)      296  
   data-arc span      8156 days (22.33 yr)  
   first obs. used      1996-10-07  
   last obs. used      2019-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56187  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 12:05:29  

Additional Information
 Earth MOID = .795071 au 
 Jupiter MOID = 2.54826 au 
 T_jup = 3.542 
[ 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 16.9   n/a MPO433107  

172432 (2003 QD18)          Discovered 2003-Aug-22 by NEAT at Palomar
Reference: 20071224/Numbers.arcLast Updated: 2007-12-22

Alternate Designations
 2003 QD18 = 1996 TY39 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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