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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1598300587719666 4.4962e-08  
a 2.312769176125092 8.9093e-09 au
q 1.943119142779026 1.0667e-07 au
i 1.584896301261612 3.6605e-06 deg
node 293.5426802909035 0.00020851 deg
peri 118.7401683795859 0.00020927 deg
M 30.58526837588764 1.7079e-05 deg
tp 2458891.354293201889
(2020-Feb-11.85429320)
6.0748e-05 TDB
period 1284.685619378007
3.52
7.4234e-06
2.032e-08
d
yr
n .2802242000453757 1.6192e-09 deg/d
Q 2.682419209471158 1.0333e-08 au
  Orbit Determination Parameters
   # obs. used (total)      429  
   data-arc span      7767 days (21.26 yr)  
   first obs. used      1998-09-26  
   last obs. used      2020-01-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53547  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 17:59:53  

Additional Information
 Earth MOID = .95468 au 
 Jupiter MOID = 2.66606 au 
 T_jup = 3.566 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457462.5 (2016-Mar-15.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1596153149950812 4.5198e-08  
q 1.943734114449236 1.0728e-07 au
tp 2457604.205216182162
(2016-Aug-03.70521618)
5.8869e-05 TDB
node 293.7406989317255 0.00020889 deg
peri 117.9758464834363 0.00020964 deg
i 1.58276840666144 3.6616e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      429  
   data-arc span      7767 days (21.26 yr)  
   first obs. used      1998-09-26  
   last obs. used      2020-01-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53547  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 17:59:53  

Additional Information
 Jupiter MOID = 2.66606 au 
 T_jup = 3.566 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.042875854281254E-15 -4.838145887577109E-15 -1.383779985572237E-12 4.467979024092348E-14 -4.015454799551396E-13 -1.876314521349689E-15
q -4.838145887577109E-15 1.150843874656461E-14 3.296519724331546E-12 -1.063939685685569E-13 9.546717092016862E-13 4.525050260798349E-15
tp -1.383779985572237E-12 3.296519724331546E-12 3.465539073152346E-9 -5.018052602169138E-11 1.080255260013211E-9 2.91139828868951E-12
node 4.467979024092348E-14 -1.063939685685569E-13 -5.018052602169138E-11 4.363704215037608E-8 -4.36346648882159E-8 1.921370832043241E-10
peri -4.015454799551396E-13 9.546717092016862E-13 1.080255260013211E-9 -4.36346648882159E-8 4.39500897124969E-8 -1.912685241103066E-10
i -1.876314521349689E-15 4.525050260798349E-15 2.91139828868951E-12 1.921370832043241E-10 -1.912685241103066E-10 1.340739778368698E-11

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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