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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09438091173497352 5.7519e-08  
a 3.043193159267482 2.7452e-08 au
q 2.755973814310183 1.8513e-07 au
i 3.283798714447018 5.1851e-06 deg
node 292.4254874561924 9.8814e-05 deg
peri 305.4980762555845 0.0001039 deg
M 351.3606976217444 2.8981e-05 deg
tp 2459047.033838616711
(2020-Jul-16.53383862)		 0.00015595 TDB
period 1939.066508909307
5.31		 2.6238e-05
7.184e-08		 d
yr
n .1856563446101155 2.5121e-09 deg/d
Q 3.330412504224781 3.0043e-08 au
   Orbit Determination Parameters
   # obs. used (total)      345  
   data-arc span      6759 days (18.51 yr)  
   first obs. used      2001-10-26  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61469  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 20:34:15  

Additional Information
 Earth MOID = 1.74551 au 
 Jupiter MOID = 1.69301 au 
 T_jup = 3.230 
[ 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 15.2   n/a MPO436579  
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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