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JPL Small-Body Database Browser
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172449 (2003 QN65)
Classification: Main-belt Asteroid          SPK-ID: 2172449
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2022472759552452 7.4684e-08  
a 2.35644096192666 1.6012e-08 au
q 1.879857196427635 1.7603e-07 au
i 3.163480906149533 6.9596e-06 deg
node 57.72576229924681 0.00012777 deg
peri 305.0458759034508 0.00012859 deg
M 208.8832084566329 1.6523e-05 deg
tp 2459555.117406317369
(2021-Dec-06.61740632)
6.3926e-05 TDB
period 1321.244742130158
3.62
1.3467e-05
3.687e-08
d
yr
n .272470336888225 2.7772e-09 deg/d
Q 2.833024727425684 1.925e-08 au
  Orbit Determination Parameters
   # obs. used (total)      166  
   data-arc span      5586 days (15.29 yr)  
   first obs. used      2003-08-25  
   last obs. used      2018-12-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60122  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 17:40:27  

Additional Information
 Earth MOID = .879674 au 
 Jupiter MOID = 2.62462 au 
 T_jup = 3.524 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456519.5 (2013-Aug-15.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2016246897929875 7.4596e-08  
q 1.8820140276359 1.7585e-07 au
tp 2456909.423223940429
(2014-Sep-08.92322394)
5.2268e-05 TDB
node 57.82049359825962 0.00012788 deg
peri 304.5075326920912 0.0001287 deg
i 3.162289433346822 6.9515e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      166  
   data-arc span      5586 days (15.29 yr)  
   first obs. used      2003-08-25  
   last obs. used      2018-12-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60122  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 17:40:27  

Additional Information
 Jupiter MOID = 2.62462 au 
 T_jup = 3.524 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.564620924116975E-15 -1.308293772726026E-14 3.237385696904983E-13 -7.623028152802228E-14 3.362447765941374E-14 -2.604893033464442E-15
q -1.308293772726026E-14 3.09228570558095E-14 -5.964568831163062E-13 1.774874062074828E-13 -5.206233028591197E-14 6.066544116008279E-15
tp 3.237385696904983E-13 -5.964568831163062E-13 2.731940814857562E-9 -1.080899488027795E-11 8.04958908962315E-10 -1.597547412975137E-12
node -7.623028152802228E-14 1.774874062074828E-13 -1.080899488027795E-11 1.635294468087153E-8 -1.632782316415126E-8 -2.530359780542293E-10
peri 3.362447765941374E-14 -5.206233028591197E-14 8.04958908962315E-10 -1.632782316415126E-8 1.656402742034485E-8 2.522342419481957E-10
i -2.604893033464442E-15 6.066544116008279E-15 -1.597547412975137E-12 -2.530359780542293E-10 2.522342419481957E-10 4.83227389432546E-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 17.3   n/a MPO412967  

172449 (2003 QN65)          Discovered 2003-Aug-25 by NEAT at Palomar
Reference: 20071224/Numbers.arcLast Updated: 2007-12-22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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