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249382 (2009 BU49)
Classification: Main-belt Asteroid          SPK-ID: 2249382
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1593212185938785 3.6534e-08  
a 2.424387150646628 2.2288e-08 au
q 2.038130835462266 9.2585e-08 au
i 3.952045836777224 8.0759e-06 deg
node 315.6548055544739 8.0662e-05 deg
peri 297.8102565676328 8.7095e-05 deg
M 255.4863415089479 2.9838e-05 deg
tp 2459400.787415694633
(2021-Jul-05.28741569)
0.00011349 TDB
period 1378.800357107441
3.77
1.9013e-05
5.205e-08
d
yr
n .2610965381204551 3.6005e-09 deg/d
Q 2.81064346583099 2.5839e-08 au
  Orbit Determination Parameters
   # obs. used (total)      172  
   data-arc span      7388 days (20.23 yr)  
   first obs. used      1999-10-13  
   last obs. used      2020-01-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62089  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-30 03:16:06  

Additional Information
 Earth MOID = 1.02716 au 
 Jupiter MOID = 2.25167 au 
 T_jup = 3.491 
[ 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 17.2   n/a MPO460090  

249382 (2009 BU49)          Discovered 2009-Jan-16 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20100824/Numbers.arcLast Updated: 2010-08-27

[ show close-approach data ]
Alternate Designations
 2009 BU49 = 2003 UR294 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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