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JPL Small-Body Database Browser
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(2012 BT1)
Classification: Aten [NEO]          SPK-ID: 3595924
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 2455945.5 (2012-Jan-19.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3070038036670424 0.00064113  
a .7829531701657533 0.00033325 au
q .5425835688316979 0.00073204 au
i 4.34849806776717 0.012239 deg
node 117.6361149286412 0.00024968 deg
peri 193.7054715449756 0.033554 deg
M 156.1460856367204 0.050157 deg
tp 2455835.743384116085
(2011-Oct-01.24338412)
0.07346 TDB
period 253.0475327453062
0.69
0.16156
0.0004423
d
yr
n 1.422657617303631 0.00090829 deg/d
Q 1.023322771499809 0.00043556 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.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      8  
   norm. resid. RMS      .48297  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 08:51:26  

Additional Information
 Earth MOID = .013113 au 
 Jupiter MOID = 4.18367 au 
 T_jup = 7.382 
[ 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 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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