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(2020 XZ4)
Classification: Apollo [NEO]          SPK-ID: 54099951
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .277554349085559 0.00023819  
a 1.176003311705506 0.00026503 au
q .8495984780026222 8.8643e-05 au
i 7.583407713955292 0.0057687 deg
node 282.5707789946272 0.00068057 deg
peri 242.9198328109401 0.00068577 deg
M 310.0870392423108 0.024259 deg
tp 2459265.083574100662
(2021-Feb-19.58357410)
0.009557 TDB
period 465.8126130627619
1.28
0.15747
0.0004311
d
yr
n .7728429628235397 0.00026126 deg/d
Q 1.502408145408389 0.00033859 au
  Orbit Determination Parameters
   # obs. used (total)      78  
   data-arc span      16 days  
   first obs. used      2020-12-11  
   last obs. used      2020-12-27  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .48855  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:20:03  

Additional Information
 Earth MOID = .0100682 au 
 Jupiter MOID = 3.49157 au 
 T_jup = 5.330 
[ hide covariance matrix ]
Orbit Covariance (6×6)
  e q tp node peri i
e 5.673323363123842E-8 -2.111328537918677E-8 -2.276307873198867E-6 1.6114789200691E-7 -1.581345499953843E-7 1.374008467142577E-6
q -2.111328537918677E-8 7.857501755196462E-9 8.471021042074513E-7 -5.994330063661251E-8 5.877633833584014E-8 -5.113465810520166E-7
tp -2.276307873198867E-6 8.471021042074513E-7 9.133609640463886E-5 -6.469396458192306E-6 6.354974529793684E-6 -5.512813134591041E-5
node 1.6114789200691E-7 -5.994330063661251E-8 -6.469396458192306E-6 4.631696499563241E-7 -4.610732450891576E-7 3.901094659788373E-6
peri -1.581345499953843E-7 5.877633833584014E-8 6.354974529793684E-6 -4.610732450891576E-7 4.702779794376197E-7 -3.825986219356457E-6
i 1.374008467142577E-6 -5.113465810520166E-7 -5.512813134591041E-5 3.901094659788373E-6 -3.825986219356457E-6 3.327736180344227E-5

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 24.89   .3879 E2020-YE2 autocmod 2.8

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