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JPL Small-Body Database Browser
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(2018 RB)
Classification: Apollo [NEO, PHA]          SPK-ID: 3827151
[ 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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .7321735110221526 0.00022103  
a 1.949486744620164 0.001249 au
q .5221241901204721 9.6379e-05 au
i 4.557145984575058 0.0018619 deg
node 349.289829437284 0.00072538 deg
peri 244.2399948281426 0.00053174 deg
M 107.2752253256133 0.10617 deg
tp 2458304.238108425594
(2018-Jul-04.73810843)		 0.0084948 TDB
period 994.2116704304971
2.72		 0.95549
0.002616		 d
yr
n .3620959305819844 0.00034799 deg/d
Q 3.376849299119856 0.0021636 au
   Orbit Determination Parameters
   # obs. used (total)      184  
   data-arc span      31 days  
   first obs. used      2018-09-01  
   last obs. used      2018-10-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .36388  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 06:45:00  

Additional Information
 Earth MOID = .0240913 au 
 Jupiter MOID = 1.67157 au 
 T_jup = 3.500 
[ 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 21.8   .37909 E2018T49 autocmod 2.6n

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