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JPL Small-Body Database Browser
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(2018 XE)
Classification: Apollo [NEO]          SPK-ID: 3836711
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3910942911095528 0.00027669  
a 1.547708957145751 0.00065845 au
q .9424088197069281 2.7384e-05 au
i 5.247209629901289 0.002967 deg
node 69.65927123209579 0.00033573 deg
peri 323.2186196864922 0.0022232 deg
M 89.7725892286449 0.058223 deg
tp 2458425.122602361088
(2018-Nov-02.62260236)
0.0018789 TDB
period 703.2866456508817
1.93
0.4488
0.001229
d
yr
n .511882320283254 0.00032666 deg/d
Q 2.153009094584573 0.00091597 au
  Orbit Determination Parameters
   # obs. used (total)      77  
   data-arc span      5 days  
   first obs. used      2018-12-03  
   last obs. used      2018-12-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .33552  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-27 14:01:26  

Additional Information
 Earth MOID = .0055826 au 
 Jupiter MOID = 3.28569 au 
 T_jup = 4.362 
[ show covariance matrix ]

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 25.4   .5606 E2018Y62 autocmod 2.6q

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