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JPL Small-Body Database Browser
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46931 (1998 SW59)
Classification: Main-belt Asteroid          SPK-ID: 2046931
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2496788943850863 7.1125e-08  
a 2.525008941325093 6.8397e-09 au
q 1.894567500542587 1.8136e-07 au
i 5.872730381777826 6.1541e-06 deg
node 149.7260537804896 3.6557e-05 deg
peri 228.0395888734087 3.8132e-05 deg
M 137.6571520828506 9.2493e-06 deg
tp 2458440.111664272662
(2018-Nov-17.61166427)
3.6558e-05 TDB
period 1465.523569312419
4.01
5.9547e-06
1.63e-08
d
yr
n .2456459981526613 9.981e-10 deg/d
Q 3.155450382107599 8.5474e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1121  
   data-arc span      10194 days (27.91 yr)  
   first obs. used      1992-03-05  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56727  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 08:37:54  

Additional Information
 Earth MOID = .901872 au 
 Jupiter MOID = 2.31726 au 
 T_jup = 3.403 
[ 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 15.5   n/a MPO309516  
diameter diameter 1.845 km 0.394 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.359   0.149 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46931 (1998 SW59)          Discovered 1998-Sep-17 by LONEOS at Anderson Mesa
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 SW59 = 2000 DU51 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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