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JPL Small-Body Database Browser
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249380 (2009 BZ44)
Classification: Main-belt Asteroid          SPK-ID: 2249380
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2114749299321773 4.942e-08  
a 2.360684228117848 1.8781e-08 au
q 1.86145869638463 1.2277e-07 au
i 4.179485441096375 6.3741e-06 deg
node 316.697173973703 6.362e-05 deg
peri 315.9598293794305 6.5229e-05 deg
M 190.2832858629142 1.301e-05 deg
tp 2459225.064634071208
(2021-Jan-10.56463407)
4.8907e-05 TDB
period 1324.815115640417
3.63
1.581e-05
4.329e-08
d
yr
n .2717360299938725 3.2428e-09 deg/d
Q 2.859909759851067 2.2752e-08 au
  Orbit Determination Parameters
   # obs. used (total)      260  
   data-arc span      5570 days (15.25 yr)  
   first obs. used      2003-10-01  
   last obs. used      2018-12-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57008  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 11:46:15  

Additional Information
 Earth MOID = .847463 au 
 Jupiter MOID = 2.26901 au 
 T_jup = 3.517 
[ 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 17.0   n/a MPO418331  
diameter diameter 2.146 km 0.075 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.067   0.004 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249380 (2009 BZ44)          Discovered 2009-Jan-16 by Spacewatch at Kitt Peak
Reference: 20100824/Numbers.arcLast Updated: 2010-08-27

[ show close-approach data ]
Alternate Designations
 2009 BZ44 = 2003 TJ35 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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