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JPL Small-Body Database Browser
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(2018 RQ4)
Classification: Apollo [NEO]          SPK-ID: 3827570
[ 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 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4021518848000558 0.00047938  
a 1.607222126897453 0.001244 au
q .9608747192732879 2.6753e-05 au
i .3507779563197312 0.00036283 deg
node 262.4901855204498 0.015521 deg
peri 130.9768113476126 0.01653 deg
M 91.75397070174944 0.10275 deg
tp 2458410.814275388809
(2018-Oct-19.31427539)		 0.0078051 TDB
period 744.238754331388
2.04		 0.86408
0.002366		 d
yr
n .4837157402847398 0.0005616 deg/d
Q 2.253569534521618 0.0017443 au
   Orbit Determination Parameters
   # obs. used (total)      38  
   data-arc span      11 days  
   first obs. used      2018-09-07  
   last obs. used      2018-09-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .57409  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Aug-25 05:25:30  

Additional Information
 Earth MOID = .00249703 au 
 Jupiter MOID = 3.18447 au 
 T_jup = 4.255 
[ 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 26.9   .42175 MPO452105 autocmod 2.6n

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