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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2494590780436735 7.3529e-08  
a 2.525533139793599 6.9532e-09 au
q 1.895515971171944 1.8765e-07 au
i 5.871643733313269 6.2975e-06 deg
node 149.7293178212084 3.8406e-05 deg
peri 228.0864910437286 3.9891e-05 deg
M 39.38215880893092 9.0814e-06 deg
tp 2458440.129289707081
(2018-Nov-17.62928971)
3.6675e-05 TDB
period 1465.979962793664
4.01
6.0541e-06
1.658e-08
d
yr
n .2455695228698496 1.0141e-09 deg/d
Q 3.155550308415254 8.6877e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1095  
   data-arc span      9819 days (26.88 yr)  
   first obs. used      1992-03-05  
   last obs. used      2019-01-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56677  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 02:39:56  

Additional Information
 Earth MOID = .902055 au 
 Jupiter MOID = 2.314 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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