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48231 (2001 KF69)
Classification: Main-belt Asteroid          SPK-ID: 2048231
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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09410679902260521 3.7394e-08  
a 2.659890218655129 1.3645e-08 au
q 2.409576464425957 1.0316e-07 au
i 3.334439472610475 4.3602e-06 deg
node 160.1059921159157 7.2989e-05 deg
peri 279.434672903851 7.684e-05 deg
M 279.3447884839645 2.3801e-05 deg
tp 2459355.496383867624
(2021-May-20.99638387)
0.00010517 TDB
period 1584.506391963725
4.34
1.2192e-05
3.338e-08
d
yr
n .2272000932440805 1.7482e-09 deg/d
Q 2.9102039728843 1.4929e-08 au
  Orbit Determination Parameters
   # obs. used (total)      928  
   data-arc span      9010 days (24.67 yr)  
   first obs. used      1996-03-17  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5079  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 21:26:02  

Additional Information
 Earth MOID = 1.42795 au 
 Jupiter MOID = 2.28018 au 
 T_jup = 3.377 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456956.5 (2014-Oct-26.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09419192244219936 3.7472e-08  
q 2.410088550702707 1.0338e-07 au
tp 2456176.533891067797
(2012-Sep-06.03389107)
0.00010355 TDB
node 160.2779250619437 7.303e-05 deg
peri 277.5915346938961 7.6868e-05 deg
i 3.333018709220332 4.3614e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      928  
   data-arc span      9010 days (24.67 yr)  
   first obs. used      1996-03-17  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5079  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 21:26:02  

Additional Information
 Jupiter MOID = 2.28018 au 
 T_jup = 3.377 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.404123624763668E-15 -3.847792086518596E-15 -6.55194357787166E-13 -2.330913024844328E-15 -1.572195834791333E-13 -1.073513156980627E-15
q -3.847792086518596E-15 1.068688540603981E-14 1.68845751143586E-12 6.812526410339591E-15 4.218216086240743E-13 3.150076050849316E-15
tp -6.55194357787166E-13 1.68845751143586E-12 1.072338563475601E-8 1.935551351485624E-12 2.500427772384693E-9 1.245114461238927E-12
node -2.330913024844328E-15 6.812526410339591E-15 1.935551351485624E-12 5.333448708568352E-9 -5.323481808973485E-9 6.490166771607878E-11
peri -1.572195834791333E-13 4.218216086240743E-13 2.500427772384693E-9 -5.323481808973485E-9 5.908618047450064E-9 -6.44712937487904E-11
i -1.073513156980627E-15 3.150076050849316E-15 1.245114461238927E-12 6.490166771607878E-11 -6.44712937487904E-11 1.902178666505033E-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 15.1   n/a MPO436120  

48231 (2001 KF69)          Discovered 2001-May-22 by LINEAR at Socorro
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2001 KF69 = 2002 PF20 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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