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JPL Small-Body Database Browser
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(2009 BD)
Classification: Apollo [NEO]          SPK-ID: 3444297
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
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 
[ hide covariance matrix ]
Orbit Covariance (8×8)
  e q tp node peri i A1 A2
e 1.340719912990745E-15 6.950856401292881E-17 -2.854994095197848E-13 -8.977182560549779E-13 5.874161929980415E-13 -3.49432541098612E-15 -3.081574765876851E-19 -2.49898339952538E-21
q 6.950856401292881E-17 3.429381450581968E-17 1.406346075276976E-14 3.996212876346181E-14 -2.935502418656583E-14 1.233626879220736E-15 -2.211266964899143E-20 3.454255098795642E-23
tp -2.854994095197848E-13 1.406346075276976E-14 1.45200591291523E-10 3.552413436103964E-10 -2.196379013050833E-10 2.304979303397506E-12 6.374998498598747E-17 9.117141268458821E-19
node -8.977182560549779E-13 3.996212876346181E-14 3.552413436103964E-10 1.952460594771192E-9 -1.600137115839733E-9 1.11107442259155E-11 1.940339646871674E-16 2.427755855777974E-18
peri 5.874161929980415E-13 -2.935502418656583E-14 -2.196379013050833E-10 -1.600137115839733E-9 1.377610591816063E-9 -8.854539131774484E-12 -1.251537691818757E-16 -1.542502991609541E-18
i -3.49432541098612E-15 1.233626879220736E-15 2.304979303397506E-12 1.11107442259155E-11 -8.854539131774484E-12 1.06228424974989E-13 5.270264524353612E-19 1.354929066849168E-20
A1 -3.081574765876851E-19 -2.211266964899143E-20 6.374998498598747E-17 1.940339646871674E-16 -1.251537691818757E-16 5.270264524353612E-19 7.238985523929011E-23 5.606081531465017E-25
A2 -2.49898339952538E-21 3.454255098795642E-23 9.117141268458821E-19 2.427755855777974E-18 -1.542502991609541E-18 1.354929066849168E-20 5.606081531465017E-25 7.006498601537781E-27

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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