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437425 (2013 XE20)
Classification: Main-belt Asteroid          SPK-ID: 2437425
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0371999834024408 9.4835e-08  
a 3.174408178593564 9.5159e-08 au
q 3.056320247037311 2.6325e-07 au
i 22.56781541158811 1.144e-05 deg
node 122.8410372938898 2.0294e-05 deg
peri 115.263674035768 0.00015545 deg
M 236.0454423628162 0.00015747 deg
tp 2459311.799625437928
(2021-Apr-07.29962544)
0.00091482 TDB
period 2065.820491305913
5.66
9.289e-05
2.543e-07
d
yr
n .1742648993535858 7.8359e-09 deg/d
Q 3.292496110149817 9.8699e-08 au
  Orbit Determination Parameters
   # obs. used (total)      127  
   data-arc span      8007 days (21.92 yr)  
   first obs. used      1997-02-01  
   last obs. used      2019-01-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58125  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 15:52:04  

Additional Information
 Earth MOID = 2.08432 au 
 Jupiter MOID = 1.93806 au 
 T_jup = 3.081 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457441.5 (2016-Feb-23.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03696387885664654 9.4089e-08  
q 3.056093148630437 2.6123e-07 au
tp 2457238.733210113981
(2015-Aug-04.23321011)
0.00089694 TDB
node 122.8675359698444 2.0294e-05 deg
peri 114.0163384218823 0.00015757 deg
i 22.56915450297367 1.1441e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      127  
   data-arc span      8007 days (21.92 yr)  
   first obs. used      1997-02-01  
   last obs. used      2019-01-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58125  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 15:52:04  

Additional Information
 Jupiter MOID = 1.93806 au 
 T_jup = 3.081 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.852722737016997E-15 -2.348714574600633E-14 3.105951494760741E-11 -8.080296122402772E-15 5.19932092283617E-12 1.032029511773088E-14
q -2.348714574600633E-14 6.824245340622483E-14 -7.529935320681668E-11 2.600139183887814E-14 -1.246894665101736E-11 -2.812160221257733E-14
tp 3.105951494760741E-11 -7.529935320681668E-11 8.045080031463821E-7 -1.062434471364387E-10 1.401885387347199E-7 -1.054763266881437E-10
node -8.080296122402772E-15 2.600139183887814E-14 -1.062434471364387E-10 4.118581040617189E-10 -3.975460634527022E-10 -3.438582999244451E-12
peri 5.19932092283617E-12 -1.246894665101736E-11 1.401885387347199E-7 -3.975460634527022E-10 2.482692849496752E-8 -1.599054689633976E-11
i 1.032029511773088E-14 -2.812160221257733E-14 -1.054763266881437E-10 -3.438582999244451E-12 -1.599054689633976E-11 1.308986796902323E-10

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 15.4   n/a MPO434610  

437425 (2013 XE20)          Discovered 2008-Jan-11 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-06-04

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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