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249386 (2009 BU75)
Classification: Main-belt Asteroid          SPK-ID: 2249386
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1583403745207144 6.2002e-08  
a 3.163703520073816 6.4024e-08 au
q 2.662761519832825 2.1277e-07 au
i 26.1744409810758 1.7683e-05 deg
node 325.4088732492403 2.4863e-05 deg
peri 127.4690906693017 6.7625e-05 deg
M 334.0044231189778 6.4809e-05 deg
tp 2458748.918846586159
(2019-Sep-22.41884659)
0.00037193 TDB
period 2055.379844639026
5.63
6.2392e-05
1.708e-07
d
yr
n .1751501071390649 5.3168e-09 deg/d
Q 3.664645520314806 7.4161e-08 au
  Orbit Determination Parameters
   # obs. used (total)      197  
   data-arc span      5813 days (15.92 yr)  
   first obs. used      2002-12-09  
   last obs. used      2018-11-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56028  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 11:51:25  

Additional Information
 Earth MOID = 1.74508 au 
 Jupiter MOID = 1.58869 au 
 T_jup = 3.027 
[ 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 15.3   n/a MPO241563  
diameter diameter 6.074 km 0.335 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.032   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249386 (2009 BU75)          Discovered 2009-Jan-24 by PMO NEO Survey Program at Purple Mountain
Reference: 20100824/Numbers.arcLast Updated: 2010-08-27

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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