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146555 (2001 SL317)
Classification: Main-belt Asteroid          SPK-ID: 2146555
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07134781627750725 4.0093e-08  
a 2.760466217386082 1.797e-08 au
q 2.563512980867754 1.1271e-07 au
i 3.485874849795271 4.8427e-06 deg
node 140.8899738137015 8.4015e-05 deg
peri 301.8524642102226 9.253e-05 deg
M 318.8910065905899 3.9847e-05 deg
tp 2459191.796235571823
(2020-Dec-08.29623557)
0.00018598 TDB
period 1675.220896799977
4.59
1.6358e-05
4.479e-08
d
yr
n .2148970327958989 2.0984e-09 deg/d
Q 2.957419453904409 1.9252e-08 au
  Orbit Determination Parameters
   # obs. used (total)      341  
   data-arc span      7473 days (20.46 yr)  
   first obs. used      1999-03-22  
   last obs. used      2019-09-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5484  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 03:33:34  

Additional Information
 Earth MOID = 1.58165 au 
 Jupiter MOID = 2.18874 au 
 T_jup = 3.335 
[ 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 16.2   n/a MPO449800  
diameter diameter 3.588 km 0.317 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.045   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

146555 (2001 SL317)          Discovered 2001-Sep-19 by LINEAR at Socorro
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

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