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JPL Small-Body Database Browser
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173729 (2001 QU216)
Classification: Main-belt Asteroid          SPK-ID: 2173729
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1002144853880225 5.1048e-08  
a 2.809663816098711 2.692e-08 au
q 2.528094802655032 1.5193e-07 au
i 3.96999495964866 6.3842e-06 deg
node 14.80854501361539 7.373e-05 deg
peri 304.0927470545087 7.9925e-05 deg
M 291.7435865107225 3.2845e-05 deg
tp 2458926.652662771682
(2020-Mar-18.15266277)
0.00015919 TDB
period 1720.204045239652
4.71
2.4723e-05
6.769e-08
d
yr
n .2092774987922123 3.0077e-09 deg/d
Q 3.091232829542391 2.9618e-08 au
  Orbit Determination Parameters
   # obs. used (total)      380  
   data-arc span      6078 days (16.64 yr)  
   first obs. used      2001-08-18  
   last obs. used      2018-04-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54238  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 07:52:18  

Additional Information
 Earth MOID = 1.51698 au 
 Jupiter MOID = 2.17579 au 
 T_jup = 3.311 
[ 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 15.7   n/a MPO436862  

173729 (2001 QU216)          Discovered 2001-Aug-23 by LONEOS at Anderson Mesa
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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