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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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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2247854288186046 3.3709e-08  
a 2.384726530005127 1.1607e-08 au
q 1.848674754342821 7.9216e-08 au
i 4.30300414308224 5.2526e-06 deg
node 280.6338695933128 5.7602e-05 deg
peri 288.9612186089955 5.9444e-05 deg
M 120.3595559900446 1.7498e-05 deg
tp 2458750.788101907300
(2019-Sep-24.28810191)
6.3279e-05 TDB
period 1345.105355213864
3.68
9.8203e-06
2.689e-08
d
yr
n .2676370282852396 1.954e-09 deg/d
Q 2.920778305667433 1.4216e-08 au
  Orbit Determination Parameters
   # obs. used (total)      505  
   data-arc span      7192 days (19.69 yr)  
   first obs. used      2001-03-26  
   last obs. used      2020-12-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56591  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 11:29:30  

Additional Information
 Earth MOID = .8479 au 
 Jupiter MOID = 2.07158 au 
 T_jup = 3.498 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457745.5 (2016-Dec-23.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .224183412221613 3.3768e-08  
q 1.85052179797386 7.9268e-08 au
tp 2457404.569643898695
(2016-Jan-17.06964390)
5.7755e-05 TDB
node 280.6695212441513 5.7585e-05 deg
peri 288.8989459463378 5.9428e-05 deg
i 4.302878564165563 5.2515e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      505  
   data-arc span      7192 days (19.69 yr)  
   first obs. used      2001-03-26  
   last obs. used      2020-12-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56591  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 11:29:30  

Additional Information
 Jupiter MOID = 2.07158 au 
 T_jup = 3.498 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.140309999111557E-15 -2.660149800490215E-15 -2.704413003310344E-13 -8.085317403136717E-15 -5.919752399908066E-14 -1.504067728002451E-16
q -2.660149800490215E-15 6.283486044795447E-15 9.132993534114851E-13 2.064988000678928E-14 2.131338397197695E-13 4.109458804430459E-16
tp -2.704413003310344E-13 9.132993534114851E-13 3.335658489397484E-9 1.290066665856053E-11 8.671291268739272E-10 -1.844676788584645E-12
node -8.085317403136717E-15 2.064988000678928E-14 1.290066665856053E-11 3.316087017235111E-9 -3.302873304220831E-9 1.274559397114884E-10
peri -5.919752399908066E-14 2.131338397197695E-13 8.671291268739272E-10 -3.302873304220831E-9 3.531728361688586E-9 -1.275702303378319E-10
i -1.504067728002451E-16 4.109458804430459E-16 -1.844676788584645E-12 1.274559397114884E-10 -1.275702303378319E-10 2.757871174325483E-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 16.32   n/a E2021B55  

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

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