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(2018 BR1)
Classification: Apollo [NEO]          SPK-ID: 3797755
[ 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 1 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4112581535404112 0.00022285  
a 1.579394696408915 0.00053513 au
q .929855749852266 3.7081e-05 au
i 6.962427433958456 0.004067 deg
node 115.9698624968406 0.00081639 deg
peri 324.3708141792998 0.0072734 deg
M 83.43271497948362 0.2629 deg
tp 2458832.477162254449
(2019-Dec-14.97716225)		 0.44405 TDB
period 724.9940458400845
1.98		 0.36846
0.001009		 d
yr
n .4965558021691767 0.00025236 deg/d
Q 2.228933642965563 0.0007552 au
   Orbit Determination Parameters
   # obs. used (total)      19  
   data-arc span      2 days  
   first obs. used      2018-01-17  
   last obs. used      2018-01-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .45878  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Jan-19 16:12:06  

Additional Information
 Earth MOID = 9.81496E-5 au 
 Jupiter MOID = 3.04177 au 
 T_jup = 4.292 
[ 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 29.5   n/a MPO431479  

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