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233620 (2007 TL221)
Classification: Outer Main-belt Asteroid          SPK-ID: 2233620
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06590865696204856 6.8651e-08  
a 3.23182608453623 6.1734e-08 au
q 3.018820767769531 1.9924e-07 au
i 2.798610237880602 7.866e-06 deg
node 144.3313372764336 0.00014504 deg
peri 98.13586937403275 0.00016099 deg
M 164.5150977425184 7.3421e-05 deg
tp 2458030.719027674367
(2017-Oct-04.21902767)
0.00043172 TDB
period 2122.122253992975
5.81
6.0805e-05
1.665e-07
d
yr
n .1696414988922649 4.8607e-09 deg/d
Q 3.444831401302929 6.5803e-08 au
  Orbit Determination Parameters
   # obs. used (total)      173  
   data-arc span      5464 days (14.96 yr)  
   first obs. used      2005-02-09  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61832  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 07:22:13  

Additional Information
 Earth MOID = 2.00759 au 
 Jupiter MOID = 1.55698 au 
 T_jup = 3.181 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457749.5 (2016-Dec-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06819316148308632 6.8141e-08  
q 3.014929078484772 1.9923e-07 au
tp 2458031.673894153919
(2017-Oct-05.17389415)
0.00042139 TDB
node 144.3912853276011 0.00014492 deg
peri 98.19238929598949 0.00016011 deg
i 2.799310524168611 7.872e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      173  
   data-arc span      5464 days (14.96 yr)  
   first obs. used      2005-02-09  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61832  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 07:22:13  

Additional Information
 Jupiter MOID = 1.55698 au 
 T_jup = 3.181 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.643201690519802E-15 -1.313563576902617E-14 -8.02889829710604E-12 -1.300867685195695E-14 -1.363263665036789E-12 2.163826841412507E-15
q -1.313563576902617E-14 3.969269100572392E-14 2.659159407877835E-11 4.132701114907642E-14 4.422684171518926E-12 -5.456197357863318E-15
tp -8.02889829710604E-12 2.659159407877835E-11 1.775712811625762E-7 1.964671313877088E-10 2.875702183053362E-8 -6.660530808510078E-12
node -1.300867685195695E-14 4.132701114907642E-14 1.964671313877088E-10 2.100192437829539E-8 -2.094465439033145E-8 4.270557275397788E-10
peri -1.363263665036789E-12 4.422684171518926E-12 2.875702183053362E-8 -2.094465439033145E-8 2.56347826297618E-8 -4.276861799652696E-10
i 2.163826841412507E-15 -5.456197357863318E-15 -6.660530808510078E-12 4.270557275397788E-10 -4.276861799652696E-10 6.196896681309579E-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 16.1   n/a MPO418247  

233620 (2007 TL221)          Discovered 2007-Oct-09 by Spacewatch at Kitt Peak
Reference: 20100228/Numbers.arcLast Updated: 2010-03-03

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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