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JPL Small-Body Database Browser
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305636 (2009 BR30)
Classification: Main-belt Asteroid          SPK-ID: 2305636
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1842790511348102 1.1168e-07  
a 2.353239639569835 2.7762e-08 au
q 1.919586871697083 2.7839e-07 au
i 1.846888434132737 9.3994e-06 deg
node 27.14999225067574 0.00031909 deg
peri 12.66356983763794 0.00032152 deg
M 9.930375600220046 4.3699e-05 deg
tp 2458564.128531641641
(2019-Mar-21.62853164)
0.00015962 TDB
period 1318.553208472706
3.61
2.3333e-05
6.388e-08
d
yr
n .2730265245928087 4.8314e-09 deg/d
Q 2.786892407442587 3.2877e-08 au
  Orbit Determination Parameters
   # obs. used (total)      98  
   data-arc span      6545 days (17.92 yr)  
   first obs. used      2000-09-05  
   last obs. used      2018-08-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6348  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 12:01:59  

Additional Information
 Earth MOID = .926961 au 
 Jupiter MOID = 2.62369 au 
 T_jup = 3.532 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456616.5 (2013-Nov-20.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .183603603623524 1.116e-07  
q 1.921217831662142 2.782e-07 au
tp 2457243.262165589018
(2015-Aug-08.76216559)
0.00014578 TDB
node 27.17411127674432 0.00031867 deg
peri 12.21499651347818 0.00032114 deg
i 1.849555405545434 9.4053e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      98  
   data-arc span      6545 days (17.92 yr)  
   first obs. used      2000-09-05  
   last obs. used      2018-08-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6348  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 12:01:59  

Additional Information
 Jupiter MOID = 2.62369 au 
 T_jup = 3.532 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.245492299339996E-14 -3.098954870568379E-14 -8.700758862291888E-12 -1.578929666889182E-13 -1.609907780032777E-12 -1.024752104250757E-14
q -3.098954870568379E-14 7.739769745559563E-14 2.247614930288808E-11 3.912631945806418E-13 4.216672384034277E-12 2.630437410829389E-14
tp -8.700758862291888E-12 2.247614930288808E-11 2.125112806381805E-8 1.836218474508318E-10 5.791552113288495E-9 1.840989448271312E-11
node -1.578929666889182E-13 3.912631945806418E-13 1.836218474508318E-10 1.015476957785306E-7 -1.014485860770608E-7 -1.271193190136815E-9
peri -1.609907780032777E-12 4.216672384034277E-12 5.791552113288495E-9 -1.014485860770608E-7 1.031320378109447E-7 1.275612543678138E-9
i -1.024752104250757E-14 2.630437410829389E-14 1.840989448271312E-11 -1.271193190136815E-9 1.275612543678138E-9 8.845908781394028E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.7   n/a MPO258185  

305636 (2009 BR30)          Discovered 2009-Jan-16 by Spacewatch at Kitt Peak
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

Alternate Designations
 2009 BR30 = 2004 VV25 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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