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136924 (1998 KX5)
Classification: Main-belt Asteroid          SPK-ID: 2136924
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1912886127241106 5.2071e-08  
a 2.335472894292345 1.343e-08 au
q 1.888723524288399 1.2102e-07 au
i 3.578096788465012 5.0981e-06 deg
node 256.9541485066514 0.00010143 deg
peri 52.26569829827741 0.00010329 deg
M 357.3380353013337 2.5382e-05 deg
tp 2459010.139632222241
(2020-Jun-09.63963222)
9.1978e-05 TDB
period 1303.648993446646
3.57
1.1245e-05
3.079e-08
d
yr
n .2761479522553198 2.3819e-09 deg/d
Q 2.782222264296291 1.5999e-08 au
  Orbit Determination Parameters
   # obs. used (total)      448  
   data-arc span      7659 days (20.97 yr)  
   first obs. used      1998-04-22  
   last obs. used      2019-04-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59024  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 06:21:22  

Additional Information
 Earth MOID = .876649 au 
 Jupiter MOID = 2.47744 au 
 T_jup = 3.541 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456606.5 (2013-Nov-10.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1911913058180198 5.1975e-08  
q 1.8882680454603 1.2083e-07 au
tp 2456401.456629463380
(2013-Apr-18.95662946)
7.6545e-05 TDB
node 257.1265828594846 0.00010119 deg
peri 51.72477463063316 0.00010306 deg
i 3.582860595598659 5.1041e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      448  
   data-arc span      7659 days (20.97 yr)  
   first obs. used      1998-04-22  
   last obs. used      2019-04-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59024  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 06:21:22  

Additional Information
 Jupiter MOID = 2.47744 au 
 T_jup = 3.541 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.701435677532535E-15 -6.255387184417784E-15 1.07650008859556E-12 -1.745332095452783E-14 2.68346419526399E-13 1.144945418759227E-15
q -6.255387184417784E-15 1.460018257151504E-14 -2.00054123717095E-12 3.548067162084005E-14 -4.961496276813691E-13 -2.509272136136776E-15
tp 1.07650008859556E-12 -2.00054123717095E-12 5.859148699371861E-9 -6.768228292906874E-11 1.544799929803467E-9 7.923083035878766E-14
node -1.745332095452783E-14 3.548067162084005E-14 -6.768228292906874E-11 1.024019430917038E-8 -1.023603122206483E-8 8.525204602447338E-12
peri 2.68346419526399E-13 -4.961496276813691E-13 1.544799929803467E-9 -1.023603122206483E-8 1.062119586689587E-8 -8.500043703427512E-12
i 1.144945418759227E-15 -2.509272136136776E-15 7.923083035878766E-14 8.525204602447338E-12 -8.500043703427512E-12 2.605196218968077E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.2   n/a MPO436675  

136924 (1998 KX5)          Discovered 1998-May-24 by Spacewatch at Kitt Peak
Reference: 20061205/Numbers.arcLast Updated: 2006-12-13

Alternate Designations
 1998 KX5 = 1999 XP44 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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