Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
13185 Agasthenes (1996 TH52)
Classification: Jupiter Trojan          SPK-ID: 2013185
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0546271121087446 5.2689e-08  
a 5.193909271858633 1.0579e-07 au
q 4.910181007782163 3.4131e-07 au
i 9.107165333298425 6.6254e-06 deg
node 4.336789823894432 3.1344e-05 deg
peri 52.83942766846832 7.027e-05 deg
M 304.5826347795646 6.4854e-05 deg
tp 2459666.054061988688
(2022-Mar-27.55406199)
0.00078474 TDB
period 4323.544819622244
11.84
0.00013209
3.616e-07
d
yr
n .08326500938909055 2.5439e-09 deg/d
Q 5.477637535935102 1.1157e-07 au
  Orbit Determination Parameters
   # obs. used (total)      770  
   data-arc span      17169 days (47.01 yr)  
   first obs. used      1973-09-19  
   last obs. used      2020-09-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55727  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Oct-22 16:32:51  

Additional Information
 Earth MOID = 3.93074 au 
 Jupiter MOID = .0783973 au 
 T_jup = 2.972 
[ 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 12.0   n/a MPO293526  
diameter diameter 14.567 km 0.774 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  
rotation period rot_per 11.453 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on fragmentary lightcurve(s), may be completely wrong.
Published Reference List:
[Szabo, Gy.M.; Pal, A.; Kiss, Cs.; Kiss, L.L.; et al. (2017) Astron. Astrophys. 599, A44.]
geometric albedo albedo 0.159   0.037 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  

13185 Agasthenes           Discovered 1996 Oct. 5 by E. W. Elst at the European Southern Observatory.
Agasthenes was the son of legendary king Augeias. During the Third Battle he fell.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20030106/MPCPages.arcLast Updated: 2003-10-02

Alternate Designations
 1996 TH52 = 1973 SP 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Oct-23 12:24 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin