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115444 (2003 TU8)
Classification: Main-belt Asteroid          SPK-ID: 2115444
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07218294789014082 3.8909e-08  
a 2.384187430451141 1.2291e-08 au
q 2.212089753398558 9.0213e-08 au
i 7.008956555999566 4.6715e-06 deg
node 332.4776642655721 2.8854e-05 deg
peri 242.4470874383896 4.5623e-05 deg
M 59.76463278112211 3.2687e-05 deg
tp 2458977.270918400550
(2020-May-07.77091840)
0.00012285 TDB
period 1344.649262216938
3.68
1.0398e-05
2.847e-08
d
yr
n .2677278083702392 2.0704e-09 deg/d
Q 2.556285107503724 1.3179e-08 au
  Orbit Determination Parameters
   # obs. used (total)      781  
   data-arc span      7569 days (20.72 yr)  
   first obs. used      1999-10-04  
   last obs. used      2020-06-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .542  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:43:35  

Additional Information
 Earth MOID = 1.21563 au 
 Jupiter MOID = 2.43797 au 
 T_jup = 3.523 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457348.5 (2015-Nov-22.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07271796024559006 3.8938e-08  
q 2.210520439765447 9.0492e-08 au
tp 2457631.430322996593
(2016-Aug-30.93032300)
0.00012652 TDB
node 332.5157805405676 2.8843e-05 deg
peri 241.9956859710839 4.5379e-05 deg
i 7.011117523237981 4.6721e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      781  
   data-arc span      7569 days (20.72 yr)  
   first obs. used      1999-10-04  
   last obs. used      2020-06-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .542  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:43:35  

Additional Information
 Jupiter MOID = 2.43797 au 
 T_jup = 3.523 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.516130366520189E-15 -3.497599899101217E-15 -2.129960456150002E-12 6.878081489218235E-15 -5.770547043251831E-13 -2.040632152854809E-15
q -3.497599899101217E-15 8.188750185277332E-15 4.370624823062945E-12 -1.620855228363476E-14 1.175450236633076E-12 5.208495423336248E-15
tp -2.129960456150002E-12 4.370624823062945E-12 1.600776101397212E-8 -8.327057422357628E-12 4.441612034851888E-9 3.732730664260313E-12
node 6.878081489218235E-15 -1.620855228363476E-14 -8.327057422357628E-12 8.319350004782974E-10 -8.274850387008493E-10 2.835451225856691E-11
peri -5.770547043251831E-13 1.175450236633076E-12 4.441612034851888E-9 -8.274850387008493E-10 2.059293936594583E-9 -2.722156878321354E-11
i -2.040632152854809E-15 5.208495423336248E-15 3.732730664260313E-12 2.835451225856691E-11 -2.722156878321354E-11 2.18283181644795E-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 15.70   n/a E2021B55  

115444 (2003 TU8)          Discovered 2003-Oct-03 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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