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154963 (2004 TG220)
Classification: Main-belt Asteroid          SPK-ID: 2154963
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06807956550543258 7.3172e-08  
a 3.115534370155323 3.9877e-08 au
q 2.903430143917907 2.3892e-07 au
i 12.38437182651633 5.3672e-06 deg
node 105.832610862703 3.4897e-05 deg
peri 280.3490725571673 5.5444e-05 deg
M 296.2303488529509 4.2029e-05 deg
tp 2459356.302329635303
(2021-May-21.80232964)
0.00023524 TDB
period 2008.617522045771
5.50
3.8563e-05
1.056e-07
d
yr
n .1792277504546217 3.441e-09 deg/d
Q 3.327638596392738 4.2591e-08 au
  Orbit Determination Parameters
   # obs. used (total)      396  
   data-arc span      7089 days (19.41 yr)  
   first obs. used      1999-12-08  
   last obs. used      2019-05-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59436  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 07:29:06  

Additional Information
 Earth MOID = 1.94186 au 
 Jupiter MOID = 2.03772 au 
 T_jup = 3.178 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456661.5 (2014-Jan-04.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07298695433241381 7.4155e-08  
q 2.886723143041014 2.4411e-07 au
tp 2457340.979563267430
(2015-Nov-14.47956327)
0.0002105 TDB
node 105.9617590866613 3.5036e-05 deg
peri 279.1805536763551 5.2405e-05 deg
i 12.3628935335413 5.3608e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      396  
   data-arc span      7089 days (19.41 yr)  
   first obs. used      1999-12-08  
   last obs. used      2019-05-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59436  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 07:29:06  

Additional Information
 Jupiter MOID = 2.03772 au 
 T_jup = 3.178 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.49901064788143E-15 -1.791929551904917E-14 -2.523149161974495E-12 -2.125713612337972E-14 -4.9210564121138E-13 -1.31762152842717E-14
q -1.791929551904917E-14 5.959094587310085E-14 7.828697050847942E-12 6.387219451173786E-14 1.445740004596501E-12 4.620861738181848E-14
tp -2.523149161974495E-12 7.828697050847942E-12 4.430942838446031E-8 4.206181985756548E-11 8.286259814905529E-9 6.180313177228416E-12
node -2.125713612337972E-14 6.387219451173786E-14 4.206181985756548E-11 1.227517362499967E-9 -1.190819294093828E-9 -1.906648411604573E-11
peri -4.9210564121138E-13 1.445740004596501E-12 8.286259814905529E-9 -1.190819294093828E-9 2.746274396971921E-9 1.964767342271425E-11
i -1.31762152842717E-14 4.620861738181848E-14 6.180313177228416E-12 -1.906648411604573E-11 1.964767342271425E-11 2.873767069465571E-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 14.8   n/a MPO432990  

154963 (2004 TG220)          Discovered 2004-Oct-05 by LINEAR at Socorro
Reference: 20070402/Numbers.arcLast Updated: 2007-04-04

Alternate Designations
 2004 TG220 = 2001 DO101 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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