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(2009 BD)
Classification: Apollo [NEO]          SPK-ID: 3444297
[ 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 2455256.5 (2010-Mar-01.0) TDB
Reference: JPL 44 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04163118147019331 3.6616e-08  
a 1.009762522530082 4.097e-08 au
q .9677249157128321 5.8561e-09 au
i .3844794522868474 3.2593e-07 deg
node 58.12755332687887 4.4187e-05 deg
peri 109.8709551697141 3.7116e-05 deg
M 349.7265315315627 1.2078e-05 deg
tp 2455267.076497962433
(2010-Mar-11.57649796)		 1.205e-05 TDB
period 370.6186745181164
1.01		 2.2556e-05
6.175e-08		 d
yr
n .9713487871815339 5.9117e-08 deg/d
Q 1.051800129347332 4.2676e-08 au

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A1 [EST] 5.379317892825037E-11 8.508E-12
A2 [EST] -1.161828025692882E-12 8.37E-14
ALN [SET] 1. n/a
NK [SET] 0. n/a
NM [SET] 2. n/a
R0 [SET] 1. n/a
   Orbit Determination Parameters
   # obs. used (total)      180  
   data-arc span      885 days (2.42 yr)  
   first obs. used      2009-01-16  
   last obs. used      2011-06-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      1  
   norm. resid. RMS      .2874  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jan-14 15:57:27  

Additional Information
 Earth MOID = .00332192 au 
 Jupiter MOID = 3.90129 au 
 T_jup = 6.033 
 Nongravitational accels. using nonstandard g(r) = (1 au/ r)^2 
[ 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 28.1   n/a MPO201128  

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