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469321 (1999 TN306)
Classification: Main-belt Asteroid          SPK-ID: 2469321
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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .164712609032571 1.8458e-07  
a 2.63689220186663 3.5323e-08 au
q 2.202562807559536 5.0395e-07 au
i 12.3760345116817 1.7612e-05 deg
node 352.3118350683416 3.0483e-05 deg
peri 327.637926878262 6.7324e-05 deg
M 324.2983518646481 4.5356e-05 deg
tp 2459155.603913310464
(2020-Nov-02.10391331)
0.00019593 TDB
period 1564.000871334471
4.28
3.1426e-05
8.604e-08
d
yr
n .2301788998959015 4.6251e-09 deg/d
Q 3.071221596173723 4.1141e-08 au
  Orbit Determination Parameters
   # obs. used (total)      55  
   data-arc span      6255 days (17.13 yr)  
   first obs. used      1999-09-18  
   last obs. used      2016-11-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60858  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 07:43:48  

Additional Information
 Earth MOID = 1.20112 au 
 Jupiter MOID = 2.31451 au 
 T_jup = 3.345 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457194.5 (2015-Jun-21.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1637436173334861 1.8541e-07  
q 2.204294233074767 5.0553e-07 au
tp 2457593.883902358548
(2016-Jul-24.38390236)
0.0002097 TDB
node 352.3503444482649 3.0484e-05 deg
peri 327.9533048508943 6.7418e-05 deg
i 12.37673977931801 1.7612e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      55  
   data-arc span      6255 days (17.13 yr)  
   first obs. used      1999-09-18  
   last obs. used      2016-11-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60858  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 07:43:48  

Additional Information
 Jupiter MOID = 2.31451 au 
 T_jup = 3.345 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.437798919835289E-14 -9.362020652818949E-14 3.02517273043519E-11 1.62717337944259E-13 8.493742741370115E-12 -4.222820875991747E-13
q -9.362020652818949E-14 2.555597499495643E-13 -8.271110361844495E-11 -4.437206525430724E-13 -2.327903219953066E-11 1.155621867733919E-12
tp 3.02517273043519E-11 -8.271110361844495E-11 4.397573245641782E-8 1.990831536498368E-10 1.261812453157651E-8 -4.244263242983691E-10
node 1.62717337944259E-13 -4.437206525430724E-13 1.990831536498368E-10 9.292518764481735E-10 -8.475305554606064E-10 -1.338800057610381E-10
peri 8.493742741370115E-12 -2.327903219953066E-11 1.261812453157651E-8 -8.475305554606064E-10 4.545127261801002E-9 8.689220299658749E-12
i -4.222820875991747E-13 1.155621867733919E-12 -4.244263242983691E-10 -1.338800057610381E-10 8.689220299658749E-12 3.101658806354726E-10

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.6   n/a MPO392225  

469321 (1999 TN306)          Discovered 1999-Sep-18 by Spacewatch at Kitt Peak
Reference: Last Updated: 2016-08-22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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