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24173 SLAS (1999 XS1)
Classification: Main-belt Asteroid          SPK-ID: 2024173
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1324348545190371 3.319e-08  
a 2.786904041677504 1.2661e-08 au
q 2.417820810359427 9.2044e-08 au
i 8.289115121914001 4.6097e-06 deg
node 311.083606274594 2.9448e-05 deg
peri 132.8430434545419 3.6356e-05 deg
M 179.3100536317326 2.0054e-05 deg
tp 2458354.084535349879
(2018-Aug-23.58453535)
9.3292e-05 TDB
period 1699.344577186155
4.65
1.1581e-05
3.171e-08
d
yr
n .2118463817362473 1.4437e-09 deg/d
Q 3.15598727299558 1.4338e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1044  
   data-arc span      24215 days (66.30 yr)  
   first obs. used      1954-02-26  
   last obs. used      2020-06-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51389  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:36:53  

Additional Information
 Earth MOID = 1.44265 au 
 Jupiter MOID = 2.05348 au 
 T_jup = 3.303 
[ 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 14.56   n/a E2021B10  
diameter diameter 3.967 km 0.445 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.214   0.041 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

24173 SLAS           Discovered 1999 Dec. 3 by J. M. Roe at Oaxaca.
SLAS, the St. Louis Astronomical Society, has promoted the wonder and science of astronomy since 1936 to the general populace of St. Louis, Missouri, and surrounding areas.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20020328/MPCPages.arcLast Updated: 2003-10-02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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