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469548 (2003 TD20)
Classification: Main-belt Asteroid          SPK-ID: 2469548
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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3358756624529604 1.5491e-07  
a 2.674001187849145 3.2193e-08 au
q 1.77586926748031 4.3189e-07 au
i 6.470743345295767 7.7606e-06 deg
node 253.8530623169241 0.00011537 deg
peri 108.5581756634026 0.00015108 deg
M 293.5374216976203 5.6348e-05 deg
tp 2459295.359758065856
(2021-Mar-21.85975807)
0.00025456 TDB
period 1597.132034522764
4.37
2.8843e-05
7.897e-08
d
yr
n .2254040318636342 4.0706e-09 deg/d
Q 3.572133108217979 4.3006e-08 au
  Orbit Determination Parameters
   # obs. used (total)      82  
   data-arc span      4816 days (13.19 yr)  
   first obs. used      2003-09-21  
   last obs. used      2016-11-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59712  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 07:41:29  

Additional Information
 Earth MOID = .786695 au 
 Jupiter MOID = 1.97099 au 
 T_jup = 3.288 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457190.5 (2015-Jun-17.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3361821655276472 1.512e-07  
q 1.773883331987808 4.1762e-07 au
tp 2457700.685993413443
(2016-Nov-08.18599341)
0.00023474 TDB
node 253.854622936063 0.00011537 deg
peri 108.8183135149091 0.00015129 deg
i 6.471892531226321 7.7611e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      82  
   data-arc span      4816 days (13.19 yr)  
   first obs. used      2003-09-21  
   last obs. used      2016-11-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59712  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 07:41:29  

Additional Information
 Jupiter MOID = 1.97099 au 
 T_jup = 3.288 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.286063137894375E-14 -6.311945835941165E-14 -2.761930021973274E-11 9.730004992396115E-13 -1.083455590327209E-11 -3.467200346497829E-13
q -6.311945835941165E-14 1.744038409179834E-13 7.672960321795056E-11 -2.709012886916334E-12 3.011090589249653E-11 9.605169975402746E-13
tp -2.761930021973274E-11 7.672960321795056E-11 5.510085943123248E-8 -2.080727788439011E-9 2.313742944689713E-8 5.490553208784904E-10
node 9.730004992396115E-13 -2.709012886916334E-12 -2.080727788439011E-9 1.331115177525142E-8 -1.403104370284332E-8 4.241099512276763E-10
peri -1.083455590327209E-11 3.011090589249653E-11 2.313742944689713E-8 -1.403104370284332E-8 2.28877748771696E-8 -2.171069234299727E-10
i -3.467200346497829E-13 9.605169975402746E-13 5.490553208784904E-10 4.241099512276763E-10 -2.171069234299727E-10 6.023416005687821E-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 17.7   n/a MPO397652  

469548 (2003 TD20)          Discovered 2003-Sep-21 by LONEOS at Anderson Mesa
Reference: Last Updated: 2016-08-22

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