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47103 (1999 BQ28)
Classification: Main-belt Asteroid          SPK-ID: 2047103
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1776384595679281 3.639e-08  
a 3.166314456716057 1.9372e-08 au
q 2.603855234117356 1.1946e-07 au
i .9243623861270536 4.4688e-06 deg
node 6.080453895886754 0.00024634 deg
peri 18.17737282489092 0.00024656 deg
M 16.08578133899527 1.1322e-05 deg
tp 2458908.546311901931
(2020-Feb-29.04631190)
6.4667e-05 TDB
period 2057.924760860419
5.63
1.8886e-05
5.171e-08
d
yr
n .1749335091577808 1.6054e-09 deg/d
Q 3.728773679314759 2.2813e-08 au
  Orbit Determination Parameters
   # obs. used (total)      826  
   data-arc span      10276 days (28.13 yr)  
   first obs. used      1991-10-05  
   last obs. used      2019-11-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56462  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 03:22:54  

Additional Information
 Earth MOID = 1.60762 au 
 Jupiter MOID = 1.7301 au 
 T_jup = 3.178 
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Orbital Elements at Epoch 2456824.5 (2014-Jun-16.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1759814498592302 3.6342e-08  
q 2.610025526671954 1.1867e-07 au
tp 2456826.811868166014
(2014-Jun-18.31186817)
6.7122e-05 TDB
node 6.565000362881816 0.00023953 deg
peri 14.73911203045169 0.00023985 deg
i .9486978670810806 4.484e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      826  
   data-arc span      10276 days (28.13 yr)  
   first obs. used      1991-10-05  
   last obs. used      2019-11-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56462  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 03:22:54  

Additional Information
 Jupiter MOID = 1.7301 au 
 T_jup = 3.178 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.320735289814889E-15 -4.277076330323421E-15 -4.419451979605218E-13 -2.101365727032759E-14 -5.575488761619849E-14 -5.502195532384996E-17
q -4.277076330323421E-15 1.408254216905556E-14 1.29065921263549E-12 5.084136466577946E-14 1.719450294280402E-13 4.061344716320036E-16
tp -4.419451979605218E-13 1.29065921263549E-12 4.505350367258917E-9 -2.346416402387284E-11 8.543517387144087E-10 1.187177704537968E-13
node -2.101365727032759E-14 5.084136466577946E-14 -2.346416402387284E-11 5.737651847210554E-8 -5.737059201532144E-8 -1.670768344131715E-10
peri -5.575488761619849E-14 1.719450294280402E-13 8.543517387144087E-10 -5.737059201532144E-8 5.752662708060665E-8 1.670719699375227E-10
i -5.502195532384996E-17 4.061344716320036E-16 1.187177704537968E-13 -1.670768344131715E-10 1.670719699375227E-10 2.010585780170431E-11

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 14.6   n/a MPO267862  
diameter diameter 6.052 km 0.434 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.070   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

47103 (1999 BQ28)          Discovered 1999-Jan-17 by Spacewatch at Kitt Peak
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 1999 BQ28 = 1997 WF49 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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