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15426 (1998 SW43)
Classification: Outer Main-belt Asteroid          SPK-ID: 2015426
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .168520160908941 5.7203e-08  
a 3.986994990485015 3.8302e-08 au
q 3.315105953145338 2.3424e-07 au
i 5.228425261945472 5.5628e-06 deg
node 240.1451938406601 5.4723e-05 deg
peri 135.229625840766 5.6344e-05 deg
M 314.6468922208358 1.5274e-05 deg
tp 2459762.829179404360
(2022-Jul-02.32917940)
0.00012715 TDB
period 2907.816267580153
7.96
4.1902e-05
1.147e-07
d
yr
n .1238042458231336 1.784e-09 deg/d
Q 4.658884027824691 4.4757e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1227  
   data-arc span      25488 days (69.78 yr)  
   first obs. used      1951-09-09  
   last obs. used      2021-06-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52674  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 03:49:40  

Additional Information
 Earth MOID = 2.31872 au 
 Jupiter MOID = .88982 au 
 T_jup = 3.024 
[ 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 12.90   n/a MPCxxxxx  
diameter diameter 14.142 km 0.527 urn:nasa:pds:neowise_diameters_albedos::2.0[hildas] (http://adsabs.harvard.edu/abs/2012ApJ...744..197G)  
geometric albedo albedo 0.073   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[hildas] (http://adsabs.harvard.edu/abs/2012ApJ...744..197G)  

15426 (1998 SW43)          Discovered 1998-Sep-26 by Beijing Schmidt CCD Asteroid Program at Xinglong
Reference: 20000621/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 SW43 = 1990 TW4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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