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13756 (1998 ST72)
Classification: Main-belt Asteroid          SPK-ID: 2013756
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09037578243711121 4.1356e-08  
a 2.94963006985112 1.4901e-08 au
q 2.683054944388295 1.2337e-07 au
i 3.172811071184322 3.6995e-06 deg
node 95.34189637662689 9.5811e-05 deg
peri 316.9390745353404 9.9858e-05 deg
M 111.4805308580131 2.7536e-05 deg
tp 2458627.511003186001
(2019-May-24.01100319)
0.00014073 TDB
period 1850.332405716319
5.07
1.4022e-05
3.839e-08
d
yr
n .1945596363593022 1.4743e-09 deg/d
Q 3.216205195313946 1.6248e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1249  
   data-arc span      10897 days (29.83 yr)  
   first obs. used      1991-05-15  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55538  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 00:07:09  

Additional Information
 Earth MOID = 1.69435 au 
 Jupiter MOID = 2.08746 au 
 T_jup = 3.261 
[ 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 14.45   n/a E2021B10  
diameter diameter 3.409 km 0.573 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.419   0.154 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

13756 (1998 ST72)          Discovered 1998-Sep-21 by Elst, E. W. at La Silla
Reference: 20000222/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 ST72 = 1996 LN4 = 1998 UV37 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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