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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02235242238365234 4.3744e-08  
a 2.699790568445422 2.1662e-08 au
q 2.639443709312129 1.2103e-07 au
i 2.022474554556438 6.5415e-06 deg
node 18.39104297160987 0.00014358 deg
peri 235.6521735671994 0.00022586 deg
M 310.4879461484359 0.00017297 deg
tp 2459223.344531867411
(2021-Jan-08.84453187)
0.00077748 TDB
period 1620.292943467415
4.44
1.9501e-05
5.339e-08
d
yr
n .2221820451983224 2.6741e-09 deg/d
Q 2.760137427578714 2.2146e-08 au
  Orbit Determination Parameters
   # obs. used (total)      255  
   data-arc span      7538 days (20.64 yr)  
   first obs. used      1999-09-05  
   last obs. used      2020-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61633  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 10:30:58  

Additional Information
 Earth MOID = 1.62526 au 
 Jupiter MOID = 2.22321 au 
 T_jup = 3.367 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457214.5 (2015-Jul-11.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02253610325889971 4.4504e-08  
q 2.640907755008862 1.2224e-07 au
tp 2457584.926814037928
(2016-Jul-15.42681404)
0.00077227 TDB
node 18.41265462909714 0.00014356 deg
peri 231.6982805890919 0.00022355 deg
i 2.02277012511756 6.5397e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      255  
   data-arc span      7538 days (20.64 yr)  
   first obs. used      1999-09-05  
   last obs. used      2020-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61633  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 10:30:58  

Additional Information
 Jupiter MOID = 2.22321 au 
 T_jup = 3.367 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.98056753465369E-15 -5.359413976557966E-15 -7.018823544990247E-12 4.950714116132607E-15 -1.484097494136466E-12 4.886911224126012E-16
q -5.359413976557966E-15 1.494289474167739E-14 1.271838563896765E-11 -1.266409888354256E-14 2.603228372867179E-12 -1.51474248165213E-15
tp -7.018823544990247E-12 1.271838563896765E-11 5.963978235636932E-7 -2.24801137503458E-10 1.323578662040958E-7 2.396346006130654E-11
node 4.950714116132607E-15 -1.266409888354256E-14 -2.24801137503458E-10 2.060899400525471E-8 -2.064547477694009E-8 -3.20781342935477E-10
peri -1.484097494136466E-12 2.603228372867179E-12 1.323578662040958E-7 -2.064547477694009E-8 4.997485139492833E-8 3.259251810966712E-10
i 4.886911224126012E-16 -1.51474248165213E-15 2.396346006130654E-11 -3.20781342935477E-10 3.259251810966712E-10 4.27676561490223E-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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