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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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08185946131917793 6.6326e-08  
a 2.686784464046639 2.2508e-08 au
q 2.466845735139045 1.823e-07 au
i 10.21787712974092 6.4321e-06 deg
node 87.28865374270902 3.1508e-05 deg
peri 5.54615672224014 4.9779e-05 deg
M 107.1322039335181 3.6837e-05 deg
tp 2458521.798037387446
(2019-Feb-07.29803739)
0.0001635 TDB
period 1608.598537256474
4.40
2.0214e-05
5.534e-08
d
yr
n .2237972941427596 2.8123e-09 deg/d
Q 2.906723192954233 2.4351e-08 au
  Orbit Determination Parameters
   # obs. used (total)      211  
   data-arc span      9366 days (25.64 yr)  
   first obs. used      1994-06-09  
   last obs. used      2020-01-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57395  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 13:04:16  

Additional Information
 Earth MOID = 1.48366 au 
 Jupiter MOID = 2.26414 au 
 T_jup = 3.346 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457161.5 (2015-May-19.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08224890365814136 6.6116e-08  
q 2.467574528248532 1.8207e-07 au
tp 2456917.252691417483
(2014-Sep-16.75269142)
0.00016122 TDB
node 87.33368098920944 3.1502e-05 deg
peri 6.613208922144276 4.9745e-05 deg
i 10.21729017143635 6.4317e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      211  
   data-arc span      9366 days (25.64 yr)  
   first obs. used      1994-06-09  
   last obs. used      2020-01-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57395  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 13:04:16  

Additional Information
 Jupiter MOID = 2.26414 au 
 T_jup = 3.346 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.371270103304398E-15 -1.196136876408203E-14 -2.033257283905093E-12 4.982389247481123E-14 -6.80432523700928E-13 -5.257445523161048E-15
q -1.196136876408203E-14 3.315116566322107E-14 5.565684430755725E-12 -1.394347931044964E-13 1.874850321270306E-12 1.473451725171878E-14
tp -2.033257283905093E-12 5.565684430755725E-12 2.599186679833396E-8 -1.872155529183587E-12 6.219040229146611E-9 -1.200374521651295E-11
node 4.982389247481123E-14 -1.394347931044964E-13 -1.872155529183587E-12 9.923546867506158E-10 -9.779246933291797E-10 4.847265482453272E-12
peri -6.80432523700928E-13 1.874850321270306E-12 6.219040229146611E-9 -9.779246933291797E-10 2.474541546150664E-9 -7.42156761641857E-12
i -5.257445523161048E-15 1.473451725171878E-14 -1.200374521651295E-11 4.847265482453272E-12 -7.42156761641857E-12 4.136677861994934E-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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