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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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09919180379350412 4.0839e-08  
a 2.807839517775854 1.5239e-08 au
q 2.529324851244984 1.1251e-07 au
i 3.968929831146206 5.8922e-06 deg
node 14.71633821424706 5.3016e-05 deg
peri 303.9435561313681 6.0607e-05 deg
M 15.64235827204678 2.7396e-05 deg
tp 2458925.828207296449
(2020-Mar-17.32820730)
0.00013076 TDB
period 1718.528939547216
4.71
1.399e-05
3.83e-08
d
yr
n .2094814883331844 1.7053e-09 deg/d
Q 3.086354184306723 1.675e-08 au
  Orbit Determination Parameters
   # obs. used (total)      518  
   data-arc span      7000 days (19.16 yr)  
   first obs. used      2001-08-18  
   last obs. used      2020-10-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51196  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 10:18:07  

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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