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(2012 BT1)
Classification: Aten [NEO]          SPK-ID: 3595924
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 2455945.5 (2012-Jan-19.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3069930371173611 0.0006405  
a .7829588694667767 0.00033297 au
q .5425959481911955 0.00073136 au
i 4.348268209112915 0.012228 deg
node 117.6361154822033 0.00024948 deg
peri 193.7059066690179 0.033554 deg
M 156.1458053111858 0.05014 deg
tp 2455835.742382743135
(2011-Oct-01.24238274)
0.073365 TDB
period 253.0502957394581
0.69
0.16142
0.0004419
d
yr
n 1.422642083653828 0.00090751 deg/d
Q 1.023321790742358 0.00043519 au
  Orbit Determination Parameters
   # obs. used (total)      20  
   data-arc span      1 day  
   first obs. used      2012-01-18  
   last obs. used      2012-01-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      8  
   norm. resid. RMS      .49013  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 05:55:46  

Additional Information
 Earth MOID = .0131122 au 
 Jupiter MOID = 4.18367 au 
 T_jup = 7.382 
[ hide covariance matrix ]
Orbit Covariance (6×6)
  e q tp node peri i
e 4.102434173070896E-7 -4.681775572811114E-7 4.347809593581704E-5 -1.593760759532738E-7 -1.123721287883471E-5 7.802861940212974E-6
q -4.681775572811114E-7 5.348830889888571E-7 -4.894207429782698E-5 1.821080965199501E-7 1.351881053865127E-5 -8.92971243042228E-6
tp 4.347809593581704E-5 -4.894207429782698E-5 .005382461548261908 -1.663214774723213E-5 -.0003948961642514838 .0007983459235014663
node -1.593760759532738E-7 1.821080965199501E-7 -1.663214774723213E-5 6.224147693347308E-8 4.631045868533535E-6 -3.040837467790215E-6
peri -1.123721287883471E-5 1.351881053865127E-5 -.0003948961642514838 4.631045868533535E-6 .00112588061330747 -.0002431285510713706
i 7.802861940212974E-6 -8.92971243042228E-6 .0007983459235014663 -3.040837467790215E-6 -.0002431285510713706 .0001495117616892153

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 27.4   n/a MPO219468  

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