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14026 Esquerdo (1994 ST7)
Classification: Main-belt Asteroid          SPK-ID: 2014026
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1603590998170203 3.3806e-08  
a 2.360403442534553 7.4916e-09 au
q 1.981891271284717 8.0677e-08 au
i 2.638171405951808 3.9594e-06 deg
node 158.2266881782374 8.3085e-05 deg
peri 128.7760879479407 8.4059e-05 deg
M 91.19315025042192 1.203e-05 deg
tp 2458664.965250963582
(2019-Jun-30.46525096)
4.4339e-05 TDB
period 1324.578757520789
3.63
6.306e-06
1.726e-08
d
yr
n .2717845186297652 1.2939e-09 deg/d
Q 2.73891561378439 8.6929e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1175  
   data-arc span      15983 days (43.76 yr)  
   first obs. used      1976-10-22  
   last obs. used      2020-07-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53662  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:42:34  

Additional Information
 Earth MOID = .966841 au 
 Jupiter MOID = 2.41634 au 
 T_jup = 3.533 
[ 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 15.3   n/a MPO395139  
diameter diameter 4.377 km 0.194 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.111   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

14026 Esquerdo           Discovered 1994 Sept. 28 by Spacewatch at Kitt Peak.
Gil Esquerdo (b. 1976), a former research assistant at the Planetary Science Institute in Tucson, was appointed in 2002 research assistant for the Near-Earth-Asteroid Physical Study project at the University of Western Ontario.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20030614/MPCPages.arcLast Updated: 2005-04-26

Alternate Designations
 1994 ST7 = 1976 UF21 = 1976 UV16 = 1997 JM18 = 1997 LR15 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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