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JPL Small-Body Database Browser
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13757 (1998 ST73)
Classification: Main-belt Asteroid          SPK-ID: 2013757
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 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1536162296705453 3.6708e-08  
a 2.305784381448009 7.7257e-09 au
q 1.951578478336735 8.3689e-08 au
i 4.137035997940528 3.7915e-06 deg
node 143.2348893522009 5.6607e-05 deg
peri 89.12557128573341 5.7864e-05 deg
M 205.1762989394492 1.3912e-05 deg
tp 2459550.498380651932
(2021-Dec-01.99838065)
5.0468e-05 TDB
period 1278.870196735956
3.50
6.4274e-06
1.76e-08
d
yr
n .2814984670991813 1.4148e-09 deg/d
Q 2.659990284559282 8.9125e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1594  
   data-arc span      15423 days (42.23 yr)  
   first obs. used      1977-10-16  
   last obs. used      2020-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50921  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-28 23:14:10  

Additional Information
 Earth MOID = .94612 au 
 Jupiter MOID = 2.33754 au 
 T_jup = 3.569 
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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 14.9   n/a MPO347634  
diameter diameter 6.507 km 0.082 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.055   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

13757 (1998 ST73)          Discovered 1998-Sep-21 by Elst, E. W. at La Silla
Reference: 20000222/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 1998 ST73 = 1993 BO12 = 1997 GU44 = 4381 T-3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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