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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 ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .249889389181837 6.7005e-08  
a 2.52456809767726 6.7237e-09 au
q 1.893705317800737 1.7079e-07 au
i 5.873152300866362 5.9691e-06 deg
node 149.7286699677757 3.5331e-05 deg
peri 228.0242670956283 3.6774e-05 deg
M 186.8057311665601 8.9684e-06 deg
tp 2459905.371705193071
(2022-Nov-21.87170519)
3.8075e-05 TDB
period 1465.139785390585
4.01
5.8532e-06
1.603e-08
d
yr
n .2457103435383329 9.816e-10 deg/d
Q 3.155430877553783 8.4039e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1190  
   data-arc span      10602 days (29.03 yr)  
   first obs. used      1992-03-05  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56447  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:53:43  

Additional Information
 Earth MOID = .899611 au 
 Jupiter MOID = 2.31841 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 15.54   n/a E2021B10  
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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