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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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06590865857348339 6.8031e-08  
a 3.231826086019812 6.1119e-08 au
q 3.018820763947455 1.9806e-07 au
i 2.798610043383922 7.7675e-06 deg
node 144.3313352302322 0.00014436 deg
peri 98.13586991351821 0.00016013 deg
M 164.5150990760792 7.2974e-05 deg
tp 2458030.719019145542
(2017-Oct-04.21901915)
0.00042862 TDB
period 2122.122255454228
5.81
6.0199e-05
1.648e-07
d
yr
n .169641498775453 4.8123e-09 deg/d
Q 3.44483140809217 6.5147e-08 au
  Orbit Determination Parameters
   # obs. used (total)      177  
   data-arc span      5754 days (15.75 yr)  
   first obs. used      2005-02-09  
   last obs. used      2020-11-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61313  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 05:36:37  

Additional Information
 Earth MOID = 2.00759 au 
 Jupiter MOID = 1.55698 au 
 T_jup = 3.181 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457762.5 (2017-Jan-09.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06815551742023833 6.756e-08  
q 3.015068026923425 1.9812e-07 au
tp 2458031.500400769111
(2017-Oct-05.00040077)
0.00041842 TDB
node 144.3896717906235 0.00014425 deg
peri 98.15796601509069 0.00015926 deg
i 2.799232960603705 7.773e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      177  
   data-arc span      5754 days (15.75 yr)  
   first obs. used      2005-02-09  
   last obs. used      2020-11-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61313  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 05:36:37  

Additional Information
 Jupiter MOID = 1.55698 au 
 T_jup = 3.181 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.56436076536693E-15 -1.294893966984859E-14 -7.581083821657878E-12 -1.198568466526994E-14 -1.285047542745208E-12 2.147516879134765E-15
q -1.294893966984859E-14 3.925237417241413E-14 2.558733237818145E-11 3.849950825688429E-14 4.246582518023176E-12 -5.458153260817127E-15
tp -7.581083821657878E-12 2.558733237818145E-11 1.750780758550779E-7 1.956751934924801E-10 2.831543589408736E-8 -6.060919378002509E-12
node -1.198568466526994E-14 3.849950825688429E-14 1.956751934924801E-10 2.080860446980629E-8 -2.075173198065207E-8 4.096439038181763E-10
peri -1.285047542745208E-12 4.246582518023176E-12 2.831543589408736E-8 -2.075173198065207E-8 2.53638368907695E-8 -4.101903387913539E-10
i 2.147516879134765E-15 -5.458153260817127E-15 -6.060919378002509E-12 4.096439038181763E-10 -4.101903387913539E-10 6.042030034782739E-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

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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