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226461 (2003 SH142)
Classification: Main-belt Asteroid          SPK-ID: 2226461
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .088728320697726 5.3781e-08  
a 3.117268460360512 3.9063e-08 au
q 2.840678464708738 1.8255e-07 au
i 14.88255072546008 1.0387e-05 deg
node 307.0740808149238 2.7028e-05 deg
peri 114.6379614877632 7.7601e-05 deg
M 321.1848678840602 7.3673e-05 deg
tp 2459217.249599193687
(2021-Jan-02.74959919)
0.00041335 TDB
period 2010.294734451868
5.50
3.7787e-05
1.035e-07
d
yr
n .1790782186464605 3.3661e-09 deg/d
Q 3.393858456012286 4.2529e-08 au
  Orbit Determination Parameters
   # obs. used (total)      254  
   data-arc span      5884 days (16.11 yr)  
   first obs. used      2003-09-18  
   last obs. used      2019-10-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55725  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 00:52:45  

Additional Information
 Earth MOID = 1.89281 au 
 Jupiter MOID = 1.87652 au 
 T_jup = 3.159 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457626.5 (2016-Aug-26.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08649270336308131 5.3577e-08  
q 2.850243154168591 1.8214e-07 au
tp 2457193.219951692704
(2015-Jun-19.71995169)
0.00041005 TDB
node 307.4071523705004 2.6956e-05 deg
peri 112.4473994317527 7.9768e-05 deg
i 14.87785624866017 1.0402e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      254  
   data-arc span      5884 days (16.11 yr)  
   first obs. used      2003-09-18  
   last obs. used      2019-10-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55725  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 00:52:45  

Additional Information
 Jupiter MOID = 1.87652 au 
 T_jup = 3.159 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.870522872972027E-15 -9.585493748860977E-15 -2.877185417835842E-12 -4.206825696211436E-15 -4.563591838122579E-13 6.902621468663304E-16
q -9.585493748860977E-15 3.317668854739467E-14 1.545604307736833E-11 9.74333400510114E-15 2.614050590224363E-12 6.126141309146482E-15
tp -2.877185417835842E-12 1.545604307736833E-11 1.681435964268972E-7 -4.256847984154925E-10 3.084895337434448E-8 -4.053719550055514E-11
node -4.206825696211436E-15 9.74333400510114E-15 -4.256847984154925E-10 7.266358210403342E-10 -7.77897227410781E-10 1.377384498399369E-10
peri -4.563591838122579E-13 2.614050590224363E-12 3.084895337434448E-8 -7.77897227410781E-10 6.362928350419951E-9 -1.408114549079378E-10
i 6.902621468663304E-16 6.126141309146482E-15 -4.053719550055514E-11 1.377384498399369E-10 -1.408114549079378E-10 1.082075877737681E-10

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 15.1   n/a MPO459997  
diameter diameter 5.733 km 0.158 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.078   0.017 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

226461 (2003 SH142)          Discovered 2003-Sep-20 by NEAT at Palomar
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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