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469267 (2016 JX31)
Classification: Main-belt Asteroid          SPK-ID: 2469267
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .106299864953407 7.8455e-08  
a 2.287133056039546 2.9169e-08 au
q 2.044011121052069 1.8179e-07 au
i 7.743941212187599 5.6119e-06 deg
node 103.2514214265484 6.4928e-05 deg
peri 103.5164995642917 6.9632e-05 deg
M 78.71010096711434 2.7093e-05 deg
tp 2458724.274644089924
(2019-Aug-28.77464409)
9.3246e-05 TDB
period 1263.384583500592
3.46
2.4169e-05
6.617e-08
d
yr
n .2849488625249093 5.4511e-09 deg/d
Q 2.530254991027022 3.2269e-08 au
  Orbit Determination Parameters
   # obs. used (total)      112  
   data-arc span      5190 days (14.21 yr)  
   first obs. used      2004-12-19  
   last obs. used      2019-03-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .68834  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-15 06:59:37  

Additional Information
 Earth MOID = 1.05515 au 
 Jupiter MOID = 2.4601 au 
 T_jup = 3.581 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457524.5 (2016-May-16.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1059954915011539 7.8482e-08  
q 2.043933035006115 1.8159e-07 au
tp 2457460.112210606191
(2016-Mar-12.61221061)
8.8641e-05 TDB
node 103.2654146791898 6.4947e-05 deg
peri 103.1298275495456 6.9693e-05 deg
i 7.743370787525799 5.6126e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      112  
   data-arc span      5190 days (14.21 yr)  
   first obs. used      2004-12-19  
   last obs. used      2019-03-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .68834  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-15 06:59:37  

Additional Information
 Jupiter MOID = 2.4601 au 
 T_jup = 3.581 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.159399492015979E-15 -1.410508602169219E-14 7.775015312809641E-13 -7.982709418433243E-14 2.920803064378628E-13 -2.512320735811688E-15
q -1.410508602169219E-14 3.297373144242257E-14 -1.609675713120899E-12 1.800706060437349E-13 -6.078412671023882E-13 7.807711640873345E-15
tp 7.775015312809641E-13 -1.609675713120899E-12 7.857144570733037E-9 -4.82698807078017E-11 2.336366793503509E-9 -4.589953024698527E-12
node -7.982709418433243E-14 1.800706060437349E-13 -4.82698807078017E-11 4.218175764360427E-9 -4.193297607565303E-9 -9.011978598223724E-11
peri 2.920803064378628E-13 -6.078412671023882E-13 2.336366793503509E-9 -4.193297607565303E-9 4.857046234463221E-9 8.823864069887633E-11
i -2.512320735811688E-15 7.807711640873345E-15 -4.589953024698527E-12 -9.011978598223724E-11 8.823864069887633E-11 3.150085298217826E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.9   n/a MPO423615  

469267 (2016 JX31)          Discovered 2011-Dec-30 by Spacewatch at Kitt Peak
Reference: Last Updated: 2016-06-21

Alternate Designations
 2016 JX31 = 2014 WA386 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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