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(2018 VQ8)
Classification: Apollo [NEO]          SPK-ID: 3836213
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 2458437.5 (2018-Nov-15.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5987297748198338 0.0015648  
a 2.483971419868741 0.0097334 au
q .9967437709918266 1.8761e-05 au
i 5.643346364983746 0.010059 deg
node 43.77855981740902 0.006614 deg
peri 346.7807413502119 0.0024519 deg
M 4.061966892647355 0.024576 deg
tp 2458421.365623118757
(2018-Oct-29.86562312)
0.0027919 TDB
period 1429.941658993167
3.91
8.4048
0.02301
d
yr
n .2517585229690271 0.0014798 deg/d
Q 3.971199068745654 0.015561 au
  Orbit Determination Parameters
   # obs. used (total)      42  
   data-arc span      9 days  
   first obs. used      2018-11-12  
   last obs. used      2018-11-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      8  
   norm. resid. RMS      .4  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jan-18 07:14:09  

Additional Information
 Earth MOID = .0114915 au 
 Jupiter MOID = 1.474 au 
 T_jup = 3.196 
[ 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 24.9   .32981 E2018X48 autocmod 2.6q

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Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2018-Aug-14 09:21 09:30 Mars 0.0921173051983106 0.0914107609801885 0.0928265188530182 12.8269609444657 12.8267186489974 2458344.889356687 569.615146191763 43100.1778522249 502.824038538451 -35.0189945785001 13869.9446753148 T 5 CATAB v2.0e-lin.ifort 2019-Jan-18 07:14:54 2019-Jan-18 07:18
2018-Nov-14 16:31 < 00:01 Earth 0.0461785915210866 0.0458686854178327 0.0464884925589633 9.74163626215485 9.73571148729815 2458437.188088123 0.270176454069248 15434.7960402455 46.3818556190197 0.10812797832795 285.000619057527 T 5 CATAB v2.0e-lin.ifort 2019-Jan-18 07:14:54 2019-Jan-18 07:18
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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