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43108 (1999 XQ26)
Classification: Main-belt Asteroid          SPK-ID: 2043108
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04486245305553096 3.799e-08  
a 2.888706778428731 1.5521e-08 au
q 2.759112306190278 1.0698e-07 au
i .8456127351465699 4.0536e-06 deg
node 278.5740858431066 0.00036853 deg
peri 165.8759990820071 0.00037432 deg
M 110.610563591133 6.4738e-05 deg
tp 2458845.504918572208
(2019-Dec-28.00491857)
0.00032199 TDB
period 1793.302763081719
4.91
1.4453e-05
3.957e-08
d
yr
n .2007469164779261 1.618e-09 deg/d
Q 3.018301250667184 1.6218e-08 au
  Orbit Determination Parameters
   # obs. used (total)      921  
   data-arc span      10213 days (27.96 yr)  
   first obs. used      1993-06-22  
   last obs. used      2021-06-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52964  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 21:02:39  

Additional Information
 Earth MOID = 1.77513 au 
 Jupiter MOID = 2.07747 au 
 T_jup = 3.290 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456982.5 (2014-Nov-21.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04212164157265874 3.7817e-08  
q 2.766752948181102 1.0601e-07 au
tp 2457061.132521095914
(2015-Feb-07.63252110)
0.00034267 TDB
node 278.9944219592051 0.00036751 deg
peri 167.5292506586278 0.0003741 deg
i .8469927901609936 4.0604e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      921  
   data-arc span      10213 days (27.96 yr)  
   first obs. used      1993-06-22  
   last obs. used      2021-06-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52964  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 21:02:39  

Additional Information
 Jupiter MOID = 2.07747 au 
 T_jup = 3.290 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.430132349711816E-15 -3.972465022474057E-15 -7.994876340080001E-13 -1.012522394256515E-14 -1.902320519923912E-13 6.339304320380716E-17
q -3.972465022474057E-15 1.123750400669985E-14 2.460981594890167E-12 2.459367817202397E-14 5.791554700652761E-13 -1.492868977684278E-16
tp -7.994876340080001E-13 2.460981594890167E-12 1.174205333784769E-7 1.919629948445227E-11 2.401034798075325E-8 -2.899416460932574E-12
node -1.012522394256515E-14 2.459367817202397E-14 1.919629948445227E-11 1.350608299841872E-7 -1.350410117147932E-7 1.843283830567042E-10
peri -1.902320519923912E-13 5.791554700652761E-13 2.401034798075325E-8 -1.350410117147932E-7 1.39950445621951E-7 -1.849016067053485E-10
i 6.339304320380716E-17 -1.492868977684278E-16 -2.899416460932574E-12 1.843283830567042E-10 -1.849016067053485E-10 1.648691095898484E-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 14.96   n/a MPCxxxxx  
diameter diameter 3.151 km 0.620 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.214   0.048 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

43108 (1999 XQ26)          Discovered 1999-Dec-06 by LINEAR at Socorro
Reference: 20020624/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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