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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08842807543354937 5.3804e-08  
a 3.118102876622827 3.9299e-08 au
q 2.842375040239256 1.8263e-07 au
i 14.88041542647939 1.0386e-05 deg
node 307.0735435555299 2.7031e-05 deg
peri 114.4306157079498 7.7809e-05 deg
M 249.7377529694134 7.3267e-05 deg
tp 2459216.468388411446
(2021-Jan-01.96838841)
0.00041473 TDB
period 2011.101948308814
5.51
3.8021e-05
1.041e-07
d
yr
n .1790063404307937 3.3842e-09 deg/d
Q 3.393830713006398 4.2775e-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 = 1.89444 au 
 Jupiter MOID = 1.87801 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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