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266239 (2006 XT40)
Classification: Main-belt Asteroid          SPK-ID: 2266239
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1280102967409687 6.9448e-08  
a 2.42139085603542 1.7098e-08 au
q 2.111427894028457 1.6163e-07 au
i 3.69353633150297 6.5856e-06 deg
node 156.9754791379235 6.2143e-05 deg
peri 1.557554380291224 6.4886e-05 deg
M 149.9402421613252 2.0636e-05 deg
tp 2458427.293005643787
(2018-Nov-04.79300564)
7.5232e-05 TDB
period 1376.245062657787
3.77
1.4577e-05
3.991e-08
d
yr
n .2615813199029922 2.7706e-09 deg/d
Q 2.731353818042382 1.9287e-08 au
  Orbit Determination Parameters
   # obs. used (total)      340  
   data-arc span      7526 days (20.61 yr)  
   first obs. used      2000-03-03  
   last obs. used      2020-10-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61501  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 22:26:56  

Additional Information
 Earth MOID = 1.12046 au 
 Jupiter MOID = 2.24887 au 
 T_jup = 3.499 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457677.5 (2016-Oct-16.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1273293560547933 6.9283e-08  
q 2.112868860017777 1.61e-07 au
tp 2457049.529285456010
(2015-Jan-27.02928546)
6.8521e-05 TDB
node 157.0569871455467 6.2218e-05 deg
peri 1.130409991940063 6.503e-05 deg
i 3.69118490141125 6.5827e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      340  
   data-arc span      7526 days (20.61 yr)  
   first obs. used      2000-03-03  
   last obs. used      2020-10-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61501  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 22:26:56  

Additional Information
 Jupiter MOID = 2.24887 au 
 T_jup = 3.499 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.800120644861953E-15 -1.111747250376173E-14 2.138413486087588E-12 -9.190772166269129E-15 5.493592401929971E-13 -2.584435915216357E-15
q -1.111747250376173E-14 2.592018071532292E-14 -4.718472218300021E-12 2.245847646439993E-14 -1.192181723706455E-12 6.011289831011223E-15
tp 2.138413486087588E-12 -4.718472218300021E-12 4.695090147608693E-9 -2.84032936491471E-12 1.302559265602042E-9 -2.417665586175753E-12
node -9.190772166269129E-15 2.245847646439993E-14 -2.84032936491471E-12 3.871071917378444E-9 -3.863207797232578E-9 9.560209985734569E-11
peri 5.493592401929971E-13 -1.192181723706455E-12 1.302559265602042E-9 -3.863207797232578E-9 4.22890505202867E-9 -9.60652767491638E-11
i -2.584435915216357E-15 6.011289831011223E-15 -2.417665586175753E-12 9.560209985734569E-11 -9.60652767491638E-11 4.333173917337241E-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 16.9   n/a MPO433728  

266239 (2006 XT40)          Discovered 2006-Dec-12 by Spacewatch at Kitt Peak
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2046-May-22 16:05 00:01 Iris 0.0345670223087086 0.0345584289322858 0.0345756217561523 6.17630368699524 6.17630366006859 2468488.170332563 1.40925235405491 857.660119162655 100.472943749075 60.7169385023251 44976.8304368156 T 15 CATAB v2.0f-lin.ifort 2020-Nov-11 22:26:57 2020-Nov-11 22:26
2070-Jul-05 21:06 00:04 Psych 0.0348760350370036 0.0348593954630085 0.0348926767805526 3.69417220429424 3.69417211038487 2477298.379238983 4.47508106072106 937.316575127213 107.830915892652 28.0092478181707 23222.0912757051 T 15 CATAB v2.0f-lin.ifort 2020-Nov-11 22:26:57 2020-Nov-11 22:26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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