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(2018 XO4)
Classification: Apollo [NEO]          SPK-ID: 3836902
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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2446334235442691 0.00013622  
a 1.27821300880392 0.00021823 au
q .9655193844413962 9.2771e-06 au
i 3.142208074106421 0.0015251 deg
node 297.9219037813942 0.00035049 deg
peri 173.4117275523751 0.0006596 deg
M 344.8100872585665 0.088613 deg
tp 2459022.771837793364
(2020-Jun-22.27183779)
0.13563 TDB
period 527.8411892216235
1.45
0.13518
0.0003701
d
yr
n .6820233194208867 0.00017467 deg/d
Q 1.590906633166444 0.00027162 au
  Orbit Determination Parameters
   # obs. used (total)      16  
   data-arc span      109 days  
   first obs. used      2018-12-13  
   last obs. used      2019-04-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      6  
   norm. resid. RMS      .31363  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Apr-02 06:57:50  

Additional Information
 Earth MOID = .0146218 au 
 Jupiter MOID = 3.50836 au 
 T_jup = 5.031 
[ 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   .28803 MPO467279 autocmod 2.6q

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