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437681 (2014 DX1)
Classification: Main-belt Asteroid          SPK-ID: 2437681
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06179454806549912 6.2038e-08  
a 3.060379835885748 6.2241e-08 au
q 2.871265047018422 1.8619e-07 au
i 10.20043400536786 6.6312e-06 deg
node 290.2748336964704 3.5727e-05 deg
peri 28.29947854805068 6.2221e-05 deg
M 254.2095529751086 5.437e-05 deg
tp 2459575.152600185546
(2021-Dec-26.65260019)
0.00030164 TDB
period 1955.516229344611
5.35
5.9656e-05
1.633e-07
d
yr
n .1840946112324793 5.6161e-09 deg/d
Q 3.249494624753074 6.6087e-08 au
  Orbit Determination Parameters
   # obs. used (total)      147  
   data-arc span      4417 days (12.09 yr)  
   first obs. used      2007-12-19  
   last obs. used      2020-01-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51472  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 10:13:44  

Additional Information
 Earth MOID = 1.86149 au 
 Jupiter MOID = 1.97772 au 
 T_jup = 3.207 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457528.5 (2016-May-20.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06059560497897119 6.2017e-08  
q 2.876438889893123 1.8607e-07 au
tp 2457619.022670687532
(2016-Aug-18.52267069)
0.00028972 TDB
node 290.2950457238392 3.573e-05 deg
peri 28.39476930557271 6.3039e-05 deg
i 10.19819812510141 6.6299e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      147  
   data-arc span      4417 days (12.09 yr)  
   first obs. used      2007-12-19  
   last obs. used      2020-01-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51472  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 10:13:44  

Additional Information
 Jupiter MOID = 1.97772 au 
 T_jup = 3.207 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.846138384399277E-15 -1.098192941566277E-14 1.625670673967802E-12 -3.912386333788291E-15 2.96582839879851E-13 2.440185860635978E-15
q -1.098192941566277E-14 3.462385607903261E-14 -1.672552765198482E-12 1.628748578670751E-14 -3.594654239531838E-13 -2.022927634655112E-15
tp 1.625670673967802E-12 -1.672552765198482E-12 8.393677512252092E-8 6.357647647991676E-12 1.509987960412895E-8 1.076570859519387E-11
node -3.912386333788291E-15 1.628748578670751E-14 6.357647647991676E-12 1.276620906716192E-9 -1.254957854373713E-9 2.877404005394709E-11
peri 2.96582839879851E-13 -3.594654239531838E-13 1.509987960412895E-8 -1.254957854373713E-9 3.973971802905973E-9 -2.646505104812454E-11
i 2.440185860635978E-15 -2.022927634655112E-15 1.076570859519387E-11 2.877404005394709E-11 -2.646505104812454E-11 4.395532271739526E-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 15.8   n/a MPO472431  

437681 (2014 DX1)          Discovered 2007-Dec-19 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-06-04

[ show close-approach data ]
Alternate Designations
 2014 DX1 = 2011 QW44 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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