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382459 (2000 ST20)
Classification: Amor [NEO]          SPK-ID: 2382459
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 46 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3103961629118041 7.3744e-08  
a 1.874904566186459 3.6567e-09 au
q 1.292941383016362 1.3718e-07 au
i 16.83771304782514 9.5609e-06 deg
node 343.3265973667183 2.0412e-05 deg
peri 72.57153234259287 4.534e-05 deg
M 210.8420956574463 2.1554e-05 deg
tp 2459389.017825335261
(2021-Jun-23.51782534)
5.5669e-05 TDB
period 937.7070409857662
2.57
2.7433e-06
7.511e-09
d
yr
n .383915214736523 1.1231e-09 deg/d
Q 2.456867749356557 4.7917e-09 au
  Orbit Determination Parameters
   # obs. used (total)      207  
   data-arc span      6699 days (18.34 yr)  
   first obs. used      2000-09-22  
   last obs. used      2019-01-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6296  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jan-31 08:18:49  

Additional Information
 Earth MOID = .408416 au 
 Jupiter MOID = 3.10427 au 
 T_jup = 3.868 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457069.5 (2015-Feb-16.0) TDB
Reference: JPL 46 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3102652915800256 7.3499e-08  
q 1.293010945464571 1.3653e-07 au
tp 2457513.631837872757
(2016-May-05.13183787)
5.8989e-05 TDB
node 343.3824956103128 2.0395e-05 deg
peri 72.49447440521779 4.5416e-05 deg
i 16.84559635959778 9.5615e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      207  
   data-arc span      6699 days (18.34 yr)  
   first obs. used      2000-09-22  
   last obs. used      2019-01-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6296  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jan-31 08:18:49  

Additional Information
 Jupiter MOID = 3.10427 au 
 T_jup = 3.868 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.402172484483616E-15 -1.003374946619397E-14 -3.056053179472993E-12 2.025008355479925E-13 -2.003876116996328E-12 -3.600255841520355E-13
q -1.003374946619397E-14 1.86417502131281E-14 5.640534095387299E-12 -3.720913296385311E-13 3.693040596193908E-12 6.68821093154508E-13
tp -3.056053179472993E-12 5.640534095387299E-12 3.479732535810987E-9 -2.246329414617576E-10 2.410184534639827E-9 2.480948652509097E-10
node 2.025008355479925E-13 -3.720913296385311E-13 -2.246329414617576E-10 4.159694694391538E-10 -5.422231567457944E-10 6.431198521634666E-11
peri -2.003876116996328E-12 3.693040596193908E-12 2.410184534639827E-9 -5.422231567457944E-10 2.062645767626495E-9 8.648101715538325E-11
i -3.600255841520355E-13 6.68821093154508E-13 2.480948652509097E-10 6.431198521634666E-11 8.648101715538325E-11 9.142276524831296E-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 19.3   n/a MPO460499  

382459 (2000 ST20)          Discovered 2000-Sep-23 by LINEAR at Socorro
Reference: Last Updated: 2014-01-21

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