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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 | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1208359796518494 7.5095e-08  
a 2.764052438266883 2.3244e-08 au
q 2.430055454079821 2.0893e-07 au
i 3.416059049503893 7.3014e-06 deg
node 229.6722274603148 0.00011734 deg
peri 127.4219835936664 0.00012106 deg
M 169.1076474371011 2.9356e-05 deg
tp 2458212.041951168781
(2018-Apr-03.54195117)
0.00013417 TDB
period 1678.486466348682
4.60
2.1173e-05
5.797e-08
d
yr
n .2144789411279144 2.7055e-09 deg/d
Q 3.098049422453945 2.6053e-08 au
  Orbit Determination Parameters
   # obs. used (total)      170  
   data-arc span      8845 days (24.22 yr)  
   first obs. used      1995-11-14  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60853  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 06:00:25  

Additional Information
 Earth MOID = 1.42791 au 
 Jupiter MOID = 2.35475 au 
 T_jup = 3.327 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457027.5 (2015-Jan-05.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1184636223276239 7.4772e-08  
q 2.43876109783872 2.0736e-07 au
tp 2456526.984641064205
(2013-Aug-22.48464106)
0.0001349 TDB
node 229.9714562231659 0.00011768 deg
peri 126.2812314424512 0.0001216 deg
i 3.40891287494214 7.2875e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      170  
   data-arc span      8845 days (24.22 yr)  
   first obs. used      1995-11-14  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60853  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 06:00:25  

Additional Information
 Jupiter MOID = 2.35475 au 
 T_jup = 3.327 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.590804314256829E-15 -1.542860467710254E-14 1.578804754505951E-14 -3.791895557979293E-14 -1.767476864582871E-13 -1.452040779739711E-15
q -1.542860467710254E-14 4.299968911784021E-14 2.81389950585972E-13 1.097243577578667E-13 5.799771321233434E-13 4.01051529302848E-15
tp 1.578804754505951E-14 2.81389950585972E-13 1.819895095853769E-8 6.505566012132325E-12 4.171321073042417E-9 -3.000673215708713E-12
node -3.791895557979293E-14 1.097243577578667E-13 6.505566012132325E-12 1.384906613346776E-8 -1.38204874920644E-8 -1.178364617185217E-10
peri -1.767476864582871E-13 5.799771321233434E-13 4.171321073042417E-9 -1.38204874920644E-8 1.478597182288795E-8 1.169672044116635E-10
i -1.452040779739711E-15 4.01051529302848E-15 -3.000673215708713E-12 -1.178364617185217E-10 1.169672044116635E-10 5.310827465935165E-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 16.5   n/a MPO454630  

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

[ show close-approach data ]
Alternate Designations
 2004 TF196 = 1995 VA9 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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