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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09919180328081578 4.0627e-08  
a 2.807839518105063 1.5026e-08 au
q 2.529324852981085 1.1164e-07 au
i 3.968929844284094 5.8852e-06 deg
node 14.71633726425767 5.1201e-05 deg
peri 303.943557200743 5.8986e-05 deg
M 15.64235803049502 2.734e-05 deg
tp 2458925.828208436411
(2020-Mar-17.32820844)
0.0001305 TDB
period 1718.528939849454
4.71
1.3795e-05
3.777e-08
d
yr
n .2094814882963429 1.6816e-09 deg/d
Q 3.086354183229042 1.6517e-08 au
  Orbit Determination Parameters
   # obs. used (total)      526  
   data-arc span      7028 days (19.24 yr)  
   first obs. used      2001-08-18  
   last obs. used      2020-11-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50909  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 05:08:03  

Additional Information
 Earth MOID = 1.51903 au 
 Jupiter MOID = 2.17966 au 
 T_jup = 3.312 
[ 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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