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(2008 BN18)
Classification: TransNeptunian Object          SPK-ID: 3401322
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

[ show orbit diagram ]
Orbital Elements at Epoch 2454504.5 (2008-Feb-08.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .9142397445865005 0.009326  
a 30.42216063811039 3.351 au
q 2.609012266554859 0.0038583 au
i 28.78227866572133 0.016712 deg
node 168.9094509207488 0.10541 deg
peri 282.7529019511259 0.059659 deg
M 359.2529643992559 0.12579 deg
tp 2454631.681021241980
(2008-Jun-14.18102124)
0.41179 TDB
period 61289.13749426258
167.80
10127
27.73
d
yr
n .005873797784047793 0.0009705 deg/d
Q 58.23530900966593 6.4146 au
  Orbit Determination Parameters
   # obs. used (total)      39  
   data-arc span      25 days  
   first obs. used      2008-01-30  
   last obs. used      2008-02-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      8  
   norm. resid. RMS      .64862  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-08 13:48:40  

Additional Information
 Earth MOID = 1.79721 au 
 Jupiter MOID = .393764 au 
 T_jup = 1.888 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.8   n/a MPO149032  
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]
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