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120048 (2003 BJ29)
Classification: Main-belt Asteroid          SPK-ID: 2120048
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1599248825245322 4.4845e-08  
a 2.312806121939342 8.9445e-09 au
q 1.942930874586174 1.0643e-07 au
i 1.584822066026915 3.6596e-06 deg
node 293.5422097326776 0.00020823 deg
peri 118.7233043344982 0.00020898 deg
M 86.63495812937688 1.7177e-05 deg
tp 2458891.329578330535
(2020-Feb-11.82957833)
6.0712e-05 TDB
period 1284.716403219067
3.52
7.4527e-06
2.04e-08
d
yr
n .2802174854294388 1.6256e-09 deg/d
Q 2.68268136929251 1.0375e-08 au
  Orbit Determination Parameters
   # obs. used (total)      433  
   data-arc span      8122 days (22.24 yr)  
   first obs. used      1998-09-26  
   last obs. used      2020-12-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53904  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 09:24:01  

Additional Information
 Earth MOID = .95367 au 
 Jupiter MOID = 2.6665 au 
 T_jup = 3.566 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.8   n/a MPO449699  
diameter diameter 2.502 km 0.611 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.054   0.018 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

120048 (2003 BJ29)          Discovered 2003-Jan-27 by LONEOS at Anderson Mesa
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

Alternate Designations
 2003 BJ29 = 1998 SX117 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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