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250949 (2006 BT55)
Classification: Inner Main-belt Asteroid          SPK-ID: 2250949
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1287248955965558 5.784e-08  
a 1.942835296108381 1.3315e-08 au
q 1.692744025455526 1.1025e-07 au
i 18.01259327674352 1.3864e-05 deg
node 332.7540936898694 1.6968e-05 deg
peri 107.4397316750936 6.7146e-05 deg
M 137.5425073550397 6.6246e-05 deg
tp 2458622.591343184291
(2019-May-19.09134318)
0.00017936 TDB
period 989.127790890679
2.71
1.0169e-05
2.784e-08
d
yr
n .3639570167933823 3.7416e-09 deg/d
Q 2.192926566761236 1.5029e-08 au
  Orbit Determination Parameters
   # obs. used (total)      175  
   data-arc span      7590 days (20.78 yr)  
   first obs. used      1998-01-25  
   last obs. used      2018-11-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56974  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 06:24:35  

Additional Information
 Earth MOID = .784498 au 
 Jupiter MOID = 3.00233 au 
 T_jup = 3.831 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.8   n/a MPO407852  

250949 (2006 BT55)          Discovered 2006-Jan-27 by Lowe, A. at Mayhill
Reference: 20100923/Numbers.arcLast Updated: 2010-09-27
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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