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JPL Small-Body Database Browser
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74832 (1999 TH26)
Classification: Main-belt Asteroid          SPK-ID: 2074832
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1967503369224248 3.823e-08  
a 2.38526610655585 9.3039e-09 au
q 1.915964196441346 8.9947e-08 au
i 10.07375495038679 4.2113e-06 deg
node 215.0169733231173 2.3443e-05 deg
peri 278.8098077440682 2.6459e-05 deg
M 28.10433502272165 1.0197e-05 deg
tp 2458495.455215203857
(2019-Jan-11.95521520)
3.8165e-05 TDB
period 1345.56190338744
3.68
7.8727e-06
2.155e-08
d
yr
n .2675462192365161 1.5654e-09 deg/d
Q 2.854568016670354 1.1134e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1274  
   data-arc span      7160 days (19.60 yr)  
   first obs. used      1999-10-03  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48684  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 05:42:10  

Additional Information
 Earth MOID = .960103 au 
 Jupiter MOID = 2.28574 au 
 T_jup = 3.489 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456625.5 (2013-Nov-29.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1971714618019637 3.8267e-08  
q 1.915046127013065 9.0082e-08 au
tp 2457150.173818003219
(2015-May-07.67381800)
3.9517e-05 TDB
node 215.052549282656 2.3455e-05 deg
peri 278.8788254760224 2.6449e-05 deg
i 10.07124719587287 4.2104e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1274  
   data-arc span      7160 days (19.60 yr)  
   first obs. used      1999-10-03  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48684  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 05:42:10  

Additional Information
 Jupiter MOID = 2.28574 au 
 T_jup = 3.489 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.46433060211744E-15 -3.435680583539296E-15 1.086058573572634E-13 5.188459887706983E-15 6.141058301162933E-14 -5.05827252205911E-15
q -3.435680583539296E-15 8.11470254066422E-15 -3.469503140062384E-13 -1.019794302768092E-14 -1.78390739178484E-13 1.15970715480099E-14
tp 1.086058573572634E-13 -3.469503140062384E-13 1.561562440369172E-9 -1.371993819642627E-11 4.956603830437772E-10 1.531213176697008E-12
node 5.188459887706983E-15 -1.019794302768092E-14 -1.371993819642627E-11 5.501286212585094E-10 -5.453697498770015E-10 -8.802715197194003E-12
peri 6.141058301162933E-14 -1.78390739178484E-13 4.956603830437772E-10 -5.453697498770015E-10 6.99552081328421E-10 9.007586816077839E-12
i -5.05827252205911E-15 1.15970715480099E-14 1.531213176697008E-12 -8.802715197194003E-12 9.007586816077839E-12 1.772758491872481E-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 14.9   n/a MPO474634  
diameter diameter 5.119 km 0.132 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.097   0.016 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

74832 (1999 TH26)          Discovered 1999-Oct-03 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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