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146301 (2001 KN)
Classification: Main-belt Asteroid          SPK-ID: 2146301
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2548166923391028 5.0865e-08  
a 2.365868473251998 8.0378e-09 au
q 1.763005694388561 1.2143e-07 au
i 1.632807989070368 4.8507e-06 deg
node 203.7742475428871 0.00016689 deg
peri 127.9540322718354 0.00016709 deg
M 266.045242169964 7.8704e-06 deg
tp 2458947.397044024503
(2020-Apr-07.89704402)
2.9803e-05 TDB
period 1329.18160541411
3.64
6.7736e-06
1.855e-08
d
yr
n .2708433509263327 1.3802e-09 deg/d
Q 2.968731252115435 1.0086e-08 au
  Orbit Determination Parameters
   # obs. used (total)      557  
   data-arc span      8047 days (22.03 yr)  
   first obs. used      1997-04-28  
   last obs. used      2019-05-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55954  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 07:22:09  

Additional Information
 Earth MOID = .752177 au 
 Jupiter MOID = 2.40488 au 
 T_jup = 3.503 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456666.5 (2014-Jan-09.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2529271980049664 5.0621e-08  
q 1.769167568102658 1.2052e-07 au
tp 2456287.664603184146
(2012-Dec-26.16460318)
2.7459e-05 TDB
node 203.9824771133374 0.00016728 deg
peri 127.7028081939445 0.00016748 deg
i 1.629673272627381 4.8409e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      557  
   data-arc span      8047 days (22.03 yr)  
   first obs. used      1997-04-28  
   last obs. used      2019-05-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55954  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 07:22:09  

Additional Information
 Jupiter MOID = 2.40488 au 
 T_jup = 3.503 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.56248084682277E-15 -6.093421264594563E-15 2.641614219471857E-13 -8.45584038317774E-15 1.176172185663806E-13 -3.299067177803087E-15
q -6.093421264594563E-15 1.45258944928814E-14 -6.269561819598832E-13 2.101254333444682E-14 -2.772629466931536E-13 7.782700348497913E-15
tp 2.641614219471857E-13 -6.269561819598832E-13 7.539890442438517E-10 7.984210310883577E-13 2.460705877794186E-10 -5.246407329213318E-13
node -8.45584038317774E-15 2.101254333444682E-14 7.984210310883577E-13 2.798152929170317E-8 -2.796936669349174E-8 -2.368312512212861E-10
peri 1.176172185663806E-13 -2.772629466931536E-13 2.460705877794186E-10 -2.796936669349174E-8 2.804954865939511E-8 2.365800329767977E-10
i -3.299067177803087E-15 7.782700348497913E-15 -5.246407329213318E-13 -2.368312512212861E-10 2.365800329767977E-10 2.343444872634673E-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 16.4   n/a MPO436735  

146301 (2001 KN)          Discovered 2001-May-17 by LINEAR at Socorro
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

[ show close-approach data ]
Alternate Designations
 2001 KN = 1998 UU12 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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