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 ]  
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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 43 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06940372875621413 2.2516e-08  
a 5.229353263161642 7.2212e-08 au
q 4.866416647714749 1.6618e-07 au
i 11.47083194623944 1.4434e-06 deg
node 219.7727036661638 3.3424e-06 deg
peri 86.85665903554492 2.4058e-05 deg
M 294.6230475989616 2.4151e-05 deg
tp 2460189.718015835483
(2023-Sep-02.21801584)
0.00030101 TDB
period 4367.876984370388
11.96
9.0474e-05
2.477e-07
d
yr
n .08241990360264063 1.7072e-09 deg/d
Q 5.592289878608536 7.7224e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2274  
   data-arc span      15957 days (43.69 yr)  
   first obs. used      1977-10-18  
   last obs. used      2021-06-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47466  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 02:52:44  

Additional Information
 Earth MOID = 3.8763 au 
 Jupiter MOID = .263188 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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jul-24 02:48 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin