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249399 (2009 BN187)
Classification: Main-belt Asteroid          SPK-ID: 2249399
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08245540129390935 7.9318e-08  
a 2.672028298105139 4.0636e-08 au
q 2.451705132516198 1.8622e-07 au
i 14.1587941973212 1.3083e-05 deg
node 333.5190761178796 2.1464e-05 deg
peri 264.1607530466237 9.8117e-05 deg
M 148.8721285753756 9.8081e-05 deg
tp 2458340.762904881130
(2018-Aug-10.26290488)
0.00043484 TDB
period 1595.364804114704
4.37
3.6394e-05
9.964e-08
d
yr
n .225653718241434 5.1476e-09 deg/d
Q 2.89235146369408 4.3987e-08 au
  Orbit Determination Parameters
   # obs. used (total)      252  
   data-arc span      7202 days (19.72 yr)  
   first obs. used      2000-02-11  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57647  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 02:46:04  

Additional Information
 Earth MOID = 1.49089 au 
 Jupiter MOID = 2.23482 au 
 T_jup = 3.332 
[ 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 15.8   n/a MPO494360  

249399 (2009 BN187)          Discovered 2009-Jan-30 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20100824/Numbers.arcLast Updated: 2010-08-27

[ show close-approach data ]
Alternate Designations
 2009 BN187 = 2000 DQ24 = 2003 YU133 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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