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(2012 BT23)
Classification: Apollo [NEO, PHA]          SPK-ID: 3596144
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 53 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6001736405343547 2.0905e-08  
a 1.975444798777249 7.332e-09 au
q .7898349022204516 4.1895e-08 au
i 9.102637492579882 1.2715e-05 deg
node 182.3028844769333 5.4377e-05 deg
peri 43.30593700725246 5.3947e-05 deg
M 331.3811966174006 7.9454e-06 deg
tp 2459081.120362143824
(2020-Aug-19.62036214)
2.2775e-05 TDB
period 1014.135007105965
2.78
5.646e-06
1.546e-08
d
yr
n .3549823223510757 1.9763e-09 deg/d
Q 3.161054695334046 1.1732e-08 au
  Orbit Determination Parameters
   # obs. used (total)      321  
   # delay obs. used      1  
   # Doppler obs. used      0  
   data-arc span      5174 days (14.17 yr)  
   first obs. used      1998-07-19  
   last obs. used      2012-09-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .37434  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 08:51:18  

Additional Information
 Earth MOID = .0489306 au 
 Jupiter MOID = 1.85856 au 
 T_jup = 3.607 
[ 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 19.0   n/a MPO265018  

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