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JPL Small-Body Database Browser
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268443 (2005 WY26)
Classification: Main-belt Asteroid          SPK-ID: 2268443
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .138287847663827 7.4217e-08  
a 2.61994330362824 2.9362e-08 au
q 2.257636983168235 2.1288e-07 au
i 3.150721966430024 4.7333e-06 deg
node 266.1503755395916 0.00011437 deg
peri 100.8223641583208 0.000116 deg
M 199.2969646120275 2.1377e-05 deg
tp 2459691.945326737451
(2022-Apr-22.44532674)
9.8598e-05 TDB
period 1548.945961254147
4.24
2.6039e-05
7.129e-08
d
yr
n .2324161132829424 3.9071e-09 deg/d
Q 2.982249624088245 3.3422e-08 au
  Orbit Determination Parameters
   # obs. used (total)      291  
   data-arc span      4796 days (13.13 yr)  
   first obs. used      2005-11-21  
   last obs. used      2019-01-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61604  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 05:40:28  

Additional Information
 Earth MOID = 1.25892 au 
 Jupiter MOID = 2.49633 au 
 T_jup = 3.389 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456890.5 (2014-Aug-21.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1357937503815594 7.3857e-08  
q 2.265732938840705 2.1125e-07 au
tp 2456590.317074609049
(2013-Oct-24.81707461)
8.1001e-05 TDB
node 266.3751999934786 0.00011409 deg
peri 100.2782590878081 0.00011581 deg
i 3.153544452974294 4.7402e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      291  
   data-arc span      4796 days (13.13 yr)  
   first obs. used      2005-11-21  
   last obs. used      2019-01-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61604  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 05:40:28  

Additional Information
 Jupiter MOID = 2.49633 au 
 T_jup = 3.389 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.454788034586222E-15 -1.554443898195083E-14 -1.546887679951341E-12 6.564030665020592E-14 -4.024367025464935E-13 -5.868127817825581E-15
q -1.554443898195083E-14 4.462755036712267E-14 4.245174272206389E-12 -1.892258162429569E-13 1.127916974199469E-12 1.724006832634743E-14
tp -1.546887679951341E-12 4.245174272206389E-12 6.561178085651537E-9 -3.901991686598594E-11 1.661740170179038E-9 4.138002890532122E-12
node 6.564030665020592E-14 -1.892258162429569E-13 -3.901991686598594E-11 1.301684596059674E-8 -1.300566097674717E-8 1.096440757630274E-10
peri -4.024367025464935E-13 1.127916974199469E-12 1.661740170179038E-9 -1.300566097674717E-8 1.341153363148999E-8 -1.084890300555041E-10
i -5.868127817825581E-15 1.724006832634743E-14 4.138002890532122E-12 1.096440757630274E-10 -1.084890300555041E-10 2.24693366189976E-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 MPO418424  

268443 (2005 WY26)          Discovered 2005-Nov-21 by Spacewatch at Kitt Peak
Reference: 20110319/Numbers.arcLast Updated: 2011-03-23

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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