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101191 (1998 SL23)
Classification: Main-belt Asteroid          SPK-ID: 2101191
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1660924423739466 3.7374e-08  
a 2.621820814714567 1.0764e-08 au
q 2.186356192131774 9.7584e-08 au
i 13.39585773206712 5.4474e-06 deg
node 164.1231770316476 1.5012e-05 deg
peri 130.8064673210295 2.2591e-05 deg
M 87.72697548050576 1.4808e-05 deg
tp 2458622.637674287232
(2019-May-19.13767429)
6.3768e-05 TDB
period 1550.611274485628
4.25
9.549e-06
2.614e-08
d
yr
n .2321665048639736 1.4297e-09 deg/d
Q 3.057285437297359 1.2552e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1064  
   data-arc span      8086 days (22.14 yr)  
   first obs. used      1998-08-28  
   last obs. used      2020-10-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52984  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:01:56  

Additional Information
 Earth MOID = 1.19614 au 
 Jupiter MOID = 2.29973 au 
 T_jup = 3.347 
[ 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 14.8   n/a MPO502725  
diameter diameter 3.588 km 0.206 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.217   0.047 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

101191 (1998 SL23)          Discovered 1998-Sep-17 by LONEOS at Anderson Mesa
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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