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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06934495249765106 4.2365e-08  
a 5.231135896229574 8.6879e-08 au
q 4.868383025996777 2.6592e-07 au
i 11.46866184581509 5.7144e-06 deg
node 219.771705036407 2.2573e-05 deg
peri 86.55646625478261 5.3141e-05 deg
M 278.7589979525934 5.135e-05 deg
tp 2460186.700460994804
(2023-Aug-30.20046099)
0.0006351 TDB
period 4370.110621616377
11.96
0.00010887
2.981e-07
d
yr
n .08237777739979646 2.0522e-09 deg/d
Q 5.593888766462372 9.2904e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1899  
   data-arc span      15793 days (43.24 yr)  
   first obs. used      1977-10-18  
   last obs. used      2021-01-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49602  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 02:03:48  

Additional Information
 Earth MOID = 3.87679 au 
 Jupiter MOID = .265362 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 10.64   n/a E2021B10  
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. 2020-October); 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.]
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
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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