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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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456360.5 (2013-Mar-09.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .10027362020346 5.1196e-08  
q 2.525495317388701 1.52e-07 au
tp 2457213.769506735876
(2015-Jul-10.26950674)
0.00014857 TDB
node 14.84157766124658 7.3644e-05 deg
peri 305.3371364225416 7.9824e-05 deg
i 3.973831242306196 6.3886e-06 deg
  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
 Jupiter MOID = 2.17579 au 
 T_jup = 3.311 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.621006538147449E-15 -7.688820844410472E-15 7.556271070704533E-13 -5.630351919115747E-15 2.42219235106528E-13 -7.208529981327469E-16
q -7.688820844410472E-15 2.310266318952991E-14 -8.946123690645944E-13 1.203631256808243E-14 -4.930117007590028E-13 2.899278069839261E-15
tp 7.556271070704533E-13 -8.946123690645944E-13 2.207170837805998E-8 -1.630985498748755E-11 4.577490235117919E-9 2.266782627860405E-12
node -5.630351919115747E-15 1.203631256808243E-14 -1.630985498748755E-11 5.423428748479651E-9 -5.413206926818229E-9 -1.047690611596585E-11
peri 2.42219235106528E-13 -4.930117007590028E-13 4.577490235117919E-9 -5.413206926818229E-9 6.371909567559796E-9 1.083261552004371E-11
i -7.208529981327469E-16 2.899278069839261E-15 2.266782627860405E-12 -1.047690611596585E-11 1.083261552004371E-11 4.081446069140825E-11

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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