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226865 (2004 TT40)
Classification: Main-belt Asteroid          SPK-ID: 2226865
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0222863673228195 4.8934e-08  
a 2.700676047630127 2.6423e-08 au
q 2.640487789212702 1.2889e-07 au
i 2.022183749956199 6.6176e-06 deg
node 18.39964749498964 0.00018258 deg
peri 234.7484672099569 0.00025954 deg
M 222.5279618129331 0.00018527 deg
tp 2459219.540462388759
(2021-Jan-05.04046239)
0.00083341 TDB
period 1621.09014603174
4.44
2.3791e-05
6.514e-08
d
yr
n .2220727828623488 3.2591e-09 deg/d
Q 2.760864306047553 2.7012e-08 au
  Orbit Determination Parameters
   # obs. used (total)      213  
   data-arc span      7036 days (19.26 yr)  
   first obs. used      1999-09-05  
   last obs. used      2018-12-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63744  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 02:13:10  

Additional Information
 Earth MOID = 1.62608 au 
 Jupiter MOID = 2.22265 au 
 T_jup = 3.366 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456640.5 (2013-Dec-14.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02404086454443178 4.9152e-08  
q 2.634708120202917 1.2945e-07 au
tp 2455962.855702023394
(2012-Feb-05.35570202)
0.00077479 TDB
node 18.47842454762813 0.00018266 deg
peri 231.4881760694054 0.00024983 deg
i 2.02257590573196 6.6129e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      213  
   data-arc span      7036 days (19.26 yr)  
   first obs. used      1999-09-05  
   last obs. used      2018-12-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63744  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 02:13:10  

Additional Information
 Jupiter MOID = 2.22265 au 
 T_jup = 3.366 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.415888510658985E-15 -6.244180916428995E-15 -9.792059145412787E-13 8.501451422917809E-15 -1.59590936742683E-13 8.446759842390568E-16
q -6.244180916428995E-15 1.675812320092149E-14 1.205698231290167E-13 -2.306673679855986E-14 -6.523893305426162E-14 -1.93039103084751E-15
tp -9.792059145412787E-13 1.205698231290167E-13 6.00305599837133E-7 -2.845302503150284E-10 1.321001254053052E-7 2.876521432639781E-11
node 8.501451422917809E-15 -2.306673679855986E-14 -2.845302503150284E-10 3.3364335128325E-8 -3.340564027729658E-8 -4.184246517786175E-10
peri -1.59590936742683E-13 -6.523893305426162E-14 1.321001254053052E-7 -3.340564027729658E-8 6.241634366531101E-8 4.245424544960034E-10
i 8.446759842390568E-16 -1.93039103084751E-15 2.876521432639781E-11 -4.184246517786175E-10 4.245424544960034E-10 4.373027015352592E-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 16.5   n/a MPO422879  

226865 (2004 TT40)          Discovered 2004-Oct-04 by Spacewatch at Kitt Peak
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

Alternate Designations
 2004 TT40 = 2002 EE140 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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