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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 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2198820246143394 8.7965e-05  
a .8245529338199135 5.2346e-05 au
q .6432485653298975 0.00011337 au
i 6.486167889266635 0.0044896 deg
node 298.6144275660324 0.001093 deg
peri 338.4046109003293 0.00058284 deg
M 171.6673936346026 0.1393 deg
tp 2459070.089802848406
(2020-Aug-08.58980285)
0.093404 TDB
period 273.4804203674395
0.75
0.026043
7.13e-05
d
yr
n 1.316364804165196 0.00012535 deg/d
Q 1.005857302309929 6.3856e-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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      6  
   norm. resid. RMS      .55499  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 20:20:09  

Additional Information
 Earth MOID = .00173314 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 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2105750684621869 9.6257e-05  
q .6551067179521178 0.00012428 au
tp 2458251.207004183515
(2018-May-12.70700418)
0.016006 TDB
node 298.9207165512503 6.3089e-05 deg
peri 338.3986424014835 0.00028794 deg
i 7.400937064645256 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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      6  
   norm. resid. RMS      .55499  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 20:20:09  

Additional Information
 Jupiter MOID = 4.07343 au 
 T_jup = 7.082 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.26536120318045E-9 -1.19629458706699E-8 -1.540525113437029E-6 4.249266843872869E-9 -1.837250154748307E-8 3.339435306375322E-7
q -1.19629458706699E-8 1.544603757628786E-8 1.98905955802449E-6 -5.474640820072314E-9 2.370620806570859E-8 -4.308560607232889E-7
tp -1.540525113437029E-6 1.98905955802449E-6 .0002561979709423268 -6.982945585182994E-7 3.103153081902659E-6 -5.530428993748208E-5
node 4.249266843872869E-9 -5.474640820072314E-9 -6.982945585182994E-7 3.980171737026959E-9 -4.187447810463151E-9 2.065720969640227E-7
peri -1.837250154748307E-8 2.370620806570859E-8 3.103153081902659E-6 -4.187447810463151E-9 8.291055132690983E-8 -5.480155493307522E-7
i 3.339435306375322E-7 -4.308560607232889E-7 -5.530428993748208E-5 2.065720969640227E-7 -5.480155493307522E-7 1.347178378232447E-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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