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249394 (2009 BD115)
Classification: Main-belt Asteroid          SPK-ID: 2249394
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02489192030156019 5.4109e-08  
a 3.133361243960766 3.5107e-08 au
q 3.055365865600097 1.6539e-07 au
i 2.592694710527433 6.2566e-06 deg
node 86.36443516944603 0.00016353 deg
peri 336.2870619375752 0.00023966 deg
M 87.24173665942438 0.00017249 deg
tp 2458509.551509118631
(2019-Jan-26.05150912)
0.00097196 TDB
period 2025.881917129398
5.55
3.4048e-05
9.322e-08
d
yr
n .1777003866593109 2.9865e-09 deg/d
Q 3.211356622321435 3.5981e-08 au
  Orbit Determination Parameters
   # obs. used (total)      176  
   data-arc span      9811 days (26.86 yr)  
   first obs. used      1993-03-24  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5827  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 10:22:50  

Additional Information
 Earth MOID = 2.06823 au 
 Jupiter MOID = 1.86565 au 
 T_jup = 3.211 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.3   n/a MPO418331  
diameter diameter 4.404 km 0.833 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.025   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249394 (2009 BD115)          Discovered 2009-Jan-27 by Sarneczky, K. at Piszkesteto
Reference: 20100824/Numbers.arcLast Updated: 2010-08-27

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