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150209 (1998 SW51)
Classification: Main-belt Asteroid          SPK-ID: 2150209
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1942567972639927 3.672e-08  
a 2.344585684882603 9.6722e-09 au
q 1.889133978826304 8.5686e-08 au
i 2.838265683468852 4.7507e-06 deg
node 199.8559875110645 9.2754e-05 deg
peri 229.0300391425669 9.3945e-05 deg
M 19.70611320052573 1.3049e-05 deg
tp 2459128.721221589988
(2020-Oct-06.22122159)		 4.7508e-05 TDB
period 1311.286501029281
3.59		 8.1143e-06
2.222e-08		 d
yr
n .2745395454901897 1.6989e-09 deg/d
Q 2.800037390938903 1.1551e-08 au
   Orbit Determination Parameters
   # obs. used (total)      399  
   data-arc span      9191 days (25.16 yr)  
   first obs. used      1995-11-21  
   last obs. used      2021-01-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55605  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 10:38:37  

Additional Information
 Earth MOID = .904115 au 
 Jupiter MOID = 2.49819 au 
 T_jup = 3.535 
[ 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 17.0   n/a MPO439896  
diameter diameter 2.397 km 0.145 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.037   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

150209 (1998 SW51)          Discovered 1998-Sep-28 by Spacewatch at Kitt Peak
Reference: 20070303/Numbers.arcLast Updated: 2007-03-07

Alternate Designations
 1998 SW51 = 2000 FW50 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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