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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1694070113589631 5.9784e-08  
a 3.96835524788873 3.6893e-08 au
q 3.296088045333243 2.3847e-07 au
i 5.256274715606181 5.7062e-06 deg
node 240.5401174990746 5.6414e-05 deg
peri 136.5743746702565 5.7881e-05 deg
M 263.8915272007383 1.5314e-05 deg
tp 2459771.356284364022
(2022-Jul-10.85628436)		 0.00013046 TDB
period 2887.448466179141
7.91		 4.0266e-05
1.102e-07		 d
yr
n .1246775498218243 1.7387e-09 deg/d
Q 4.640622450444218 4.3143e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1157  
   data-arc span      24745 days (67.75 yr)  
   first obs. used      1951-09-09  
   last obs. used      2019-06-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53345  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 21:18:14  

Additional Information
 Earth MOID = 2.30088 au 
 Jupiter MOID = .898449 au 
 T_jup = 3.025 
[ 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 12.9   n/a MPO435844  
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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