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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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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2617268431565035 5.3938e-08  
a 2.578066019203463 1.7919e-08 au
q 1.903316938548287 1.3531e-07 au
i 26.04633720327351 8.8567e-06 deg
node 190.7344040069983 1.0456e-05 deg
peri 320.2131688416184 2.0218e-05 deg
M 306.6718440963944 1.8312e-05 deg
tp 2459224.471905016556
(2021-Jan-09.97190502)
7.7944e-05 TDB
period 1511.957134833323
4.14
1.5763e-05
4.316e-08
d
yr
n .2381019882813584 2.4824e-09 deg/d
Q 3.252815099858639 2.2609e-08 au
  Orbit Determination Parameters
   # obs. used (total)      686  
   data-arc span      10192 days (27.90 yr)  
   first obs. used      1992-02-11  
   last obs. used      2020-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52882  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 09:39:00  

Additional Information
 Earth MOID = .955693 au 
 Jupiter MOID = 1.88897 au 
 T_jup = 3.239 
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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

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