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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 ]

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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 
[ show covariance matrix ]

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

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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