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120049 (2003 BT29)
Classification: Main-belt Asteroid          SPK-ID: 2120049
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09480466664730904 5.748e-08  
a 3.044683105481671 2.6211e-08 au
q 2.756032938619787 1.8435e-07 au
i 3.283599447571933 4.6011e-06 deg
node 292.4271395853463 9.6627e-05 deg
peri 305.6063251999304 0.00010155 deg
M 28.37781049203272 2.7221e-05 deg
tp 2459047.536449251419
(2020-Jul-17.03644925)
0.00014742 TDB
period 1940.490732537298
5.31
2.5057e-05
6.86e-08
d
yr
n .1855200820924717 2.3956e-09 deg/d
Q 3.333333272343554 2.8695e-08 au
  Orbit Determination Parameters
   # obs. used (total)      403  
   data-arc span      6807 days (18.64 yr)  
   first obs. used      2001-10-26  
   last obs. used      2020-06-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58497  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 17:59:53  

Additional Information
 Earth MOID = 1.74413 au 
 Jupiter MOID = 1.68929 au 
 T_jup = 3.229 
[ 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 15.30   n/a E2021B55  
diameter diameter 3.726 km 0.698 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.106   0.070 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

120049 (2003 BT29)          Discovered 2003-Jan-27 by LINEAR at Socorro
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

[ show close-approach data ]
Alternate Designations
 2003 BT29 = 2004 HP44 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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