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

[ hide orbit diagram ]

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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2775543509482818 0.00023819  
a 1.176003314393499 0.00026503 au
q .8495984777539832 8.8643e-05 au
i 7.583407747409714 0.0057687 deg
node 282.5707788496505 0.00068057 deg
peri 242.9198328959812 0.00068577 deg
M 310.0870395339285 0.024259 deg
tp 2459265.083573944759
(2021-Feb-19.58357394)
0.009557 TDB
period 465.8126146598254
1.28
0.15747
0.0004311
d
yr
n .7728429601738063 0.00026126 deg/d
Q 1.502408151033015 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.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .48855  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-27 06:10:19  

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 5.673318005733678E-8 -2.111326521068263E-8 -2.276305726688946E-6 1.61147768867998E-7 -1.581344566206915E-7 1.3740071682006E-6
q -2.111326521068263E-8 7.857494163530954E-9 8.471012961163271E-7 -5.994325415445392E-8 5.877630294262074E-8 -5.113460920569119E-7
tp -2.276305726688946E-6 8.471012961163271E-7 9.133601040199211E-5 -6.469391526073589E-6 6.354970791705383E-6 -5.512807930197706E-5
node 1.61147768867998E-7 -5.994325415445392E-8 -6.469391526073589E-6 4.631693825959208E-7 -4.610730606806616E-7 3.901091673397487E-6
peri -1.581344566206915E-7 5.877630294262074E-8 6.354970791705383E-6 -4.610730606806616E-7 4.70277874933746E-7 -3.825983953878174E-6
i 1.3740071682006E-6 -5.113460920569119E-7 -5.512807930197706E-5 3.901091673397487E-6 -3.825983953878174E-6 3.327733030960768E-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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