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JPL Small-Body Database Browser
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12052 Aretaon (1997 JB16)
Classification: Jupiter Trojan          SPK-ID: 2012052
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 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06920056502446728 4.9379e-08  
a 5.233062589157705 9.4551e-08 au
q 4.870931701179591 2.8388e-07 au
i 11.46641635877381 5.7627e-06 deg
node 219.7740700723706 2.6914e-05 deg
peri 86.24985577567335 5.6487e-05 deg
M 262.5789808040539 5.3926e-05 deg
tp 2460183.766280083923
(2023-Aug-27.26628008)
0.00067218 TDB
period 4372.525193700065
11.97
0.0001185
3.244e-07
d
yr
n .08233228719154964 2.2314e-09 deg/d
Q 5.595193477135821 1.0109e-07 au
  Orbit Determination Parameters
   # obs. used (total)      1582  
   data-arc span      15448 days (42.29 yr)  
   first obs. used      1977-10-18  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52565  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 20:13:51  

Additional Information
 Earth MOID = 3.88119 au 
 Jupiter MOID = .264052 au 
 T_jup = 2.955 
[ 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 10.6   n/a MPO332933  
diameter diameter 39.151 km 0.809 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2012ApJ...759...49G)  
rotation period rot_per 8.05 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[French, L.M.; Stephens, R.D.; Coley, D.R.; Wasserman, L.H.; et al. (2013) Minor Planet Bull. 40, 198-203.]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.073   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2012ApJ...759...49G)  

12052 Aretaon           Discovered 1997 May 3 by E. W. Elst at the European Southern Observatory.
Aretaon was a Trojan warrior who was killed by Teucer.
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
 1997 JB16 = 1977 UG5 = 1999 NE62 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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