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(2018 BX)
Classification: Aten [NEO]          SPK-ID: 3797715
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ hide orbit diagram ]

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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2198836941850572 8.7967e-05  
a .8245519426413594 5.2344e-05 au
q .643246415445912 0.00011337 au
i 6.486180269593637 0.0044896 deg
node 298.6144407355386 0.0010925 deg
peri 338.4045883977217 0.00058211 deg
M 171.6700550925493 0.1393 deg
tp 2459070.088016173212
(2020-Aug-08.58801617)
0.093403 TDB
period 273.4799272495904
0.75
0.026041
7.13e-05
d
yr
n 1.31636717773238 0.00012535 deg/d
Q 1.005857469836807 6.3853e-05 au
  Orbit Determination Parameters
   # obs. used (total)      29  
   data-arc span      1 day  
   first obs. used      2018-01-18  
   last obs. used      2018-01-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      6  
   norm. resid. RMS      .55625  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Jan-19 06:53:23  

Additional Information
 Earth MOID = .00173309 au 
 Jupiter MOID = 4.07343 au 
 T_jup = 7.082 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458137.5 (2018-Jan-19.0) TDB
Reference: JPL 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2105767939759496 9.6258e-05  
q .6551044880387504 0.00012428 au
tp 2458251.206702389963
(2018-May-12.70670239)
0.016006 TDB
node 298.9207149355022 6.3089e-05 deg
peri 338.3986269552564 0.00028793 deg
i 7.400953879721095 0.0036704 deg
  Orbit Determination Parameters
   # obs. used (total)      29  
   data-arc span      1 day  
   first obs. used      2018-01-18  
   last obs. used      2018-01-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      6  
   norm. resid. RMS      .55625  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Jan-19 06:53:23  

Additional Information
 Jupiter MOID = 4.07343 au 
 T_jup = 7.082 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.265518891724891E-9 -1.196311614012703E-8 -1.540545002068408E-6 4.249352644933547E-9 -1.837140514252898E-8 3.339495035284216E-7
q -1.196311614012703E-8 1.544621438517184E-8 1.989079694657266E-6 -5.474736441684887E-9 2.370472569862056E-8 -4.30862574408708E-7
tp -1.540545002068408E-6 1.989079694657266E-6 .000256200222643259 -6.983062372987366E-7 3.102956022624523E-6 -5.530506313261847E-5
node 4.249352644933547E-9 -5.474736441684887E-9 -6.983062372987366E-7 3.980181836409423E-9 -4.187228596019669E-9 2.065744301925278E-7
peri -1.837140514252898E-8 2.370472569862056E-8 3.102956022624523E-6 -4.187228596019669E-9 8.290374515037934E-8 -5.479833703326329E-7
i 3.339495035284216E-7 -4.30862574408708E-7 -5.530506313261847E-5 2.065744301925278E-7 -5.479833703326329E-7 1.347198688522881E-5

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 29.1   n/a MPO431477  

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