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413257 (2003 SH428)
Classification: Main-belt Asteroid          SPK-ID: 2413257
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1406320589860348 1.198e-07  
a 3.086472765887818 4.4724e-08 au
q 2.652415745816692 3.8459e-07 au
i 26.87340479890176 1.776e-05 deg
node 353.9290512063012 1.5067e-05 deg
peri 48.12319583943717 4.8257e-05 deg
M 354.2995231879761 4.6232e-05 deg
tp 2459031.861785735258
(2020-Jul-01.36178574)
0.00025468 TDB
period 1980.578684379284
5.42
4.3049e-05
1.179e-07
d
yr
n .1817650582828647 3.9507e-09 deg/d
Q 3.520529785958944 5.1014e-08 au
  Orbit Determination Parameters
   # obs. used (total)      125  
   data-arc span      5886 days (16.11 yr)  
   first obs. used      2003-09-17  
   last obs. used      2019-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54611  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 14:35:32  

Additional Information
 Earth MOID = 1.7098 au 
 Jupiter MOID = 2.09858 au 
 T_jup = 3.046 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.9   n/a MPO408871  
diameter diameter 3.738 km 0.246 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.042   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

413257 (2003 SH428)          Discovered 2003-Sep-17 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-11-10

Alternate Designations
 2003 SH428 = 2003 UH89 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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