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268506 (2005 YW129)
Classification: Main-belt Asteroid          SPK-ID: 2268506
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08185944619580848 6.1728e-08  
a 2.686784469475077 2.0715e-08 au
q 2.466845780756349 1.6692e-07 au
i 10.21787942856313 5.679e-06 deg
node 87.28865798972258 3.1093e-05 deg
peri 5.546149590086653 4.9319e-05 deg
M 107.1322052028357 3.6731e-05 deg
tp 2458521.798030264947
(2019-Feb-07.29803026)
0.00016283 TDB
period 1608.598542131546
4.40
1.8603e-05
5.093e-08
d
yr
n .2237972934645121 2.5882e-09 deg/d
Q 2.906723158193806 2.2411e-08 au
  Orbit Determination Parameters
   # obs. used (total)      239  
   data-arc span      9450 days (25.87 yr)  
   first obs. used      1994-06-09  
   last obs. used      2020-04-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56267  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 15:36:06  

Additional Information
 Earth MOID = 1.48366 au 
 Jupiter MOID = 2.26414 au 
 T_jup = 3.346 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457359.5 (2015-Dec-03.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08234642862374318 6.1486e-08  
q 2.466103090257363 1.6639e-07 au
tp 2456915.943972482192
(2014-Sep-15.44397248)
0.00015939 TDB
node 87.3054271762318 3.1095e-05 deg
peri 6.272310222937922 4.9257e-05 deg
i 10.21724598125663 5.6786e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      239  
   data-arc span      9450 days (25.87 yr)  
   first obs. used      1994-06-09  
   last obs. used      2020-04-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56267  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 15:36:06  

Additional Information
 Jupiter MOID = 2.26414 au 
 T_jup = 3.346 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.780512735087778E-15 -1.0163783370676E-14 -2.50960724380525E-12 4.320742727065439E-14 -7.944586051019505E-13 -1.495488618915291E-15
q -1.0163783370676E-14 2.768536802221453E-14 7.023707434546986E-12 -1.194803039758547E-13 2.223145888181732E-12 4.444335001192673E-15
tp -2.50960724380525E-12 7.023707434546986E-12 2.540454610176197E-8 -2.340563628953945E-11 6.098210245768162E-9 -1.80136780131267E-11
node 4.320742727065439E-14 -1.194803039758547E-13 -2.340563628953945E-11 9.668682628017041E-10 -9.582668198847344E-10 -1.030555717026276E-11
peri -7.944586051019505E-13 2.223145888181732E-12 6.098210245768162E-9 -9.582668198847344E-10 2.426257872502375E-9 6.014943252661608E-12
i -1.495488618915291E-15 4.444335001192673E-15 -1.80136780131267E-11 -1.030555717026276E-11 6.014943252661608E-12 3.224629227668146E-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 MPO418425  

268506 (2005 YW129)          Discovered 2005-Dec-24 by Spacewatch at Kitt Peak
Reference: 20110319/Numbers.arcLast Updated: 2011-03-23
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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