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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 ]

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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 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1844084161521303 6.8449e-08  
a 2.352900374011383 2.0352e-08 au
q 1.919005742676189 1.665e-07 au
i 1.846938330756695 8.1668e-06 deg
node 27.13919989300491 0.00031732 deg
peri 12.60500421461675 0.00031986 deg
M 119.2030941250117 4.2488e-05 deg
tp 2458563.995462417895
(2019-Mar-21.49546242)
0.00015168 TDB
period 1318.268075866881
3.61
1.7104e-05
4.683e-08
d
yr
n .2730855784118624 3.5433e-09 deg/d
Q 2.786795005346577 2.4106e-08 au
  Orbit Determination Parameters
   # obs. used (total)      117  
   data-arc span      7088 days (19.41 yr)  
   first obs. used      2000-09-05  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62844  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 17:56:27  

Additional Information
 Earth MOID = .926952 au 
 Jupiter MOID = 2.62547 au 
 T_jup = 3.533 
[ 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 17.7   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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