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173669 (2001 KU52)
Classification: Main-belt Asteroid          SPK-ID: 2173669
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2244787204521124 3.3783e-08  
a 2.385855225884118 1.1562e-08 au
q 1.850281497593666 7.9406e-08 au
i 4.303569897425218 5.292e-06 deg
node 280.6425316226689 5.7571e-05 deg
peri 289.0729953182939 5.942e-05 deg
M 66.74786078683972 1.7258e-05 deg
tp 2458750.925960610317
(2019-Sep-24.42596061)
6.339e-05 TDB
period 1346.060429819802
3.69
9.7845e-06
2.679e-08
d
yr
n .2674471309198156 1.9441e-09 deg/d
Q 2.921428954174571 1.4157e-08 au
  Orbit Determination Parameters
   # obs. used (total)      502  
   data-arc span      7147 days (19.57 yr)  
   first obs. used      2001-03-26  
   last obs. used      2020-10-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56488  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 10:18:44  

Additional Information
 Earth MOID = .850388 au 
 Jupiter MOID = 2.07216 au 
 T_jup = 3.497 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457715.5 (2016-Nov-23.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2241840709643847 3.3837e-08  
q 1.850500374110291 7.944e-08 au
tp 2457404.563872936791
(2016-Jan-17.06387294)
5.7775e-05 TDB
node 280.6699508802608 5.7586e-05 deg
peri 288.8957809977404 5.9433e-05 deg
i 4.302915504798326 5.291e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      502  
   data-arc span      7147 days (19.57 yr)  
   first obs. used      2001-03-26  
   last obs. used      2020-10-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56488  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 10:18:44  

Additional Information
 Jupiter MOID = 2.07216 au 
 T_jup = 3.497 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.144912341603035E-15 -2.671343696319419E-15 -2.672480043266422E-13 -8.089078908059467E-15 -5.777318434590726E-14 -1.607795374124721E-16
q -2.671343696319419E-15 6.310711241851584E-15 9.055133135358886E-13 2.066607944190842E-14 2.096576369846741E-13 4.404120620989988E-16
tp -2.672480043266422E-13 9.055133135358886E-13 3.337973781267826E-9 1.29006118057053E-11 8.681688010597106E-10 -1.84602633351891E-12
node -8.089078908059467E-15 2.066607944190842E-14 1.29006118057053E-11 3.316185939866024E-9 -3.302970276994299E-9 1.277242733545506E-10
peri -5.777318434590726E-14 2.096576369846741E-13 8.681688010597106E-10 -3.302970276994299E-9 3.532284137129867E-9 -1.278379837145411E-10
i -1.607795374124721E-16 4.404120620989988E-16 -1.84602633351891E-12 1.277242733545506E-10 -1.278379837145411E-10 2.799432248703018E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.2   n/a MPO469862  

173669 (2001 KU52)          Discovered 2001-May-18 by LONEOS at Anderson Mesa
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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