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105493 (2000 QB228)
Classification: Main-belt Asteroid          SPK-ID: 2105493
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 .1112212079314764 5.2189e-08  
a 2.932805551204499 1.1078e-08 au
q 2.606615375171395 1.5498e-07 au
i 2.396475341589434 5.047e-06 deg
node 35.56559312731604 9.1161e-05 deg
peri 315.3073707362463 9.319e-05 deg
M 23.47998755664126 1.6826e-05 deg
tp 2459080.848349704891
(2020-Aug-19.34834970)
8.5707e-05 TDB
period 1834.52371950068
5.02
1.0395e-05
2.846e-08
d
yr
n .1962362198827195 1.1119e-09 deg/d
Q 3.258995727237602 1.2311e-08 au
  Orbit Determination Parameters
   # obs. used (total)      937  
   data-arc span      10181 days (27.87 yr)  
   first obs. used      1993-03-19  
   last obs. used      2021-02-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54004  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:56:51  

Additional Information
 Earth MOID = 1.59971 au 
 Jupiter MOID = 2.15199 au 
 T_jup = 3.265 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457130.5 (2015-Apr-18.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1147680815849245 5.2355e-08  
q 2.596465302537979 1.5632e-07 au
tp 2457248.106963903049
(2015-Aug-13.60696390)
8.2518e-05 TDB
node 35.68582465064598 9.0831e-05 deg
peri 315.7556112186261 9.2723e-05 deg
i 2.402609045399667 5.056e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      937  
   data-arc span      10181 days (27.87 yr)  
   first obs. used      1993-03-19  
   last obs. used      2021-02-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54004  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:56:51  

Additional Information
 Jupiter MOID = 2.15199 au 
 T_jup = 3.265 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.740999802943079E-15 -8.168303177031536E-15 1.420550059591069E-12 -2.494168250028521E-14 3.26966034711247E-13 -7.762828715825503E-16
q -8.168303177031536E-15 2.44357214617912E-14 -4.261870469041676E-12 7.268708405927629E-14 -9.812382725187578E-13 2.394794159107507E-15
tp 1.420550059591069E-12 -4.261870469041676E-12 6.809167676416494E-9 -2.590047412849142E-11 1.556544442558492E-9 -1.608908430594034E-13
node -2.494168250028521E-14 7.268708405927629E-14 -2.590047412849142E-11 8.250288559059048E-9 -8.24815801500945E-9 -2.359006204535024E-10
peri 3.26966034711247E-13 -9.812382725187578E-13 1.556544442558492E-9 -8.24815801500945E-9 8.597474189043756E-9 2.356491896252813E-10
i -7.762828715825503E-16 2.394794159107507E-15 -1.608908430594034E-13 -2.359006204535024E-10 2.356491896252813E-10 2.556320974594911E-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 15.12   n/a E2021B55  
diameter diameter 2.639 km 0.344 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.278   0.124 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

105493 (2000 QB228)          Discovered 2000-Aug-31 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 2000 QB228 = 1993 FD45 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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