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226910 (2004 TF196)
Classification: Main-belt Asteroid          SPK-ID: 2226910
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1212361861155594 6.3052e-08  
a 2.763114542571475 2.2056e-08 au
q 2.42812507362967 1.7879e-07 au
i 3.416784119802512 6.781e-06 deg
node 229.6642598407953 0.0001022 deg
peri 127.4692250212772 0.00010552 deg
M 254.0369443046021 2.8155e-05 deg
tp 2459890.297324744183
(2022-Nov-06.79732474)
0.00013407 TDB
period 1677.632225130578
4.59
2.0087e-05
5.5e-08
d
yr
n .2145881526399384 2.5694e-09 deg/d
Q 3.098104011513279 2.473e-08 au
  Orbit Determination Parameters
   # obs. used (total)      205  
   data-arc span      9342 days (25.58 yr)  
   first obs. used      1995-11-14  
   last obs. used      2021-06-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .596  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 19:45:36  

Additional Information
 Earth MOID = 1.42516 au 
 Jupiter MOID = 2.35534 au 
 T_jup = 3.327 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457479.5 (2016-Apr-01.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1194734165667153 6.2916e-08  
q 2.435439524186569 1.7797e-07 au
tp 2458211.623736322637
(2018-Apr-03.12373632)
0.00012739 TDB
node 229.6990517563167 0.00010229 deg
peri 127.252037907774 0.00010571 deg
i 3.413376176224438 6.7768e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      205  
   data-arc span      9342 days (25.58 yr)  
   first obs. used      1995-11-14  
   last obs. used      2021-06-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .596  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 19:45:36  

Additional Information
 Jupiter MOID = 2.35534 au 
 T_jup = 3.327 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.958482055771133E-15 -1.113272728659306E-14 8.896450685268708E-13 -2.08833708211933E-14 1.467545679484716E-13 -1.112500457652504E-15
q -1.113272728659306E-14 3.167435824657373E-14 -1.559970670554682E-12 5.802064189076153E-14 -2.53737371286836E-13 3.355203801707844E-15
tp 8.896450685268708E-13 -1.559970670554682E-12 1.622942391160033E-8 2.569751585506849E-12 3.429561617882554E-9 -4.960627526409958E-12
node -2.08833708211933E-14 5.802064189076153E-14 2.569751585506849E-12 1.046396047506235E-8 -1.044335767485482E-8 -1.087554385775877E-10
peri 1.467545679484716E-13 -2.53737371286836E-13 3.429561617882554E-9 -1.044335767485482E-8 1.117550804365484E-8 1.075640282183046E-10
i -1.112500457652504E-15 3.355203801707844E-15 -4.960627526409958E-12 -1.087554385775877E-10 1.075640282183046E-10 4.592537366375209E-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 16.63   n/a MPO638200  

226910 (2004 TF196)          Discovered 2004-Oct-07 by Spacewatch at Kitt Peak
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

Alternate Designations
 2004 TF196 = 1995 VA9 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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