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58196 Ashleyess (1992 EC1)
Classification: Main-belt Asteroid          SPK-ID: 2058196
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2617307118476905 4.9532e-08  
a 2.578289543131004 1.584e-08 au
q 1.90347198565787 1.2611e-07 au
i 26.04615429361862 8.0168e-06 deg
node 190.7287135016685 9.7936e-06 deg
peri 320.1932932635688 1.7725e-05 deg
M 354.305916756921 1.3976e-05 deg
tp 2459224.417581849386
(2021-Jan-09.91758185)
5.8754e-05 TDB
period 1512.153774050394
4.14
1.3935e-05
3.815e-08
d
yr
n .2380710256971542 2.1939e-09 deg/d
Q 3.253107100604139 1.9986e-08 au
  Orbit Determination Parameters
   # obs. used (total)      797  
   data-arc span      10572 days (28.94 yr)  
   first obs. used      1992-02-11  
   last obs. used      2021-01-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51375  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 05:42:39  

Additional Information
 Earth MOID = .955572 au 
 Jupiter MOID = 1.8879 au 
 T_jup = 3.239 
[ 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 15.1   n/a MPO359140  
diameter diameter 4.996 km 1.164 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.049   0.030 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

58196 Ashleyess           Discovered 1992 Mar. 10 by D. I. Steel at Siding Spring.
Ashley Caroline Steel (b. 1959) is the discoverer's youngest sister. A businesswoman who lives in London, she has been very supportive of the discoverer's career.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20080520/MPCPages.arcLast Updated: 2008-05-22

[ show close-approach data ]
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