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187949 (2001 KX74)
Classification: Main-belt Asteroid          SPK-ID: 2187949
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1408144529947143 4.5151e-08  
a 2.291787882478303 1.2494e-08 au
q 1.969071025427206 1.0169e-07 au
i 5.205623630723494 4.872e-06 deg
node 214.556396954434 5.3149e-05 deg
peri 38.69848870248943 5.6009e-05 deg
M 215.2198093222952 1.8769e-05 deg
tp 2459710.143745279305
(2022-May-10.64374528)
6.7986e-05 TDB
period 1267.243449823713
3.47
1.0363e-05
2.837e-08
d
yr
n .2840811685000855 2.3231e-09 deg/d
Q 2.614504739529399 1.4254e-08 au
  Orbit Determination Parameters
   # obs. used (total)      300  
   data-arc span      9240 days (25.30 yr)  
   first obs. used      1995-10-02  
   last obs. used      2021-01-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58326  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:57:28  

Additional Information
 Earth MOID = .956424 au 
 Jupiter MOID = 2.41843 au 
 T_jup = 3.579 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457126.5 (2015-Apr-14.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .14070823440987 4.5105e-08  
q 1.968878886985151 1.0154e-07 au
tp 2457176.518251919839
(2015-Jun-03.01825192)
6.088e-05 TDB
node 214.5756770069407 5.3131e-05 deg
peri 38.80436072269205 5.6004e-05 deg
i 5.206432770841921 4.8734e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      300  
   data-arc span      9240 days (25.30 yr)  
   first obs. used      1995-10-02  
   last obs. used      2021-01-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58326  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:57:28  

Additional Information
 Jupiter MOID = 2.41843 au 
 T_jup = 3.579 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.034497181654235E-15 -4.555657513077052E-15 -1.355001026949484E-13 2.621956730469693E-14 -1.090599969570374E-13 -1.362283449353026E-15
q -4.555657513077052E-15 1.031099142921298E-14 4.374358152275634E-13 -5.902763958266617E-14 2.776864880597732E-13 3.343939658202338E-15
tp -1.355001026949484E-13 4.374358152275634E-13 3.706327334171026E-9 -1.950851931593443E-11 1.097458021737939E-9 1.62459183267876E-13
node 2.621956730469693E-14 -5.902763958266617E-14 -1.950851931593443E-11 2.822869501121042E-9 -2.816067698615255E-9 1.757005286199763E-12
peri -1.090599969570374E-13 2.776864880597732E-13 1.097458021737939E-9 -2.816067698615255E-9 3.136463157241145E-9 -1.675953318677437E-12
i -1.362283449353026E-15 3.343939658202338E-15 1.62459183267876E-13 1.757005286199763E-12 -1.675953318677437E-12 2.374982342156762E-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 17.16   n/a MPCxxxxx  

187949 (2001 KX74)          Discovered 2001-May-27 by NEAT at Haleakala
Reference: 20080618/Numbers.arcLast Updated: 2008-06-20

[ show close-approach data ]
Alternate Designations
 2001 KX74 = 2005 QK40 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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