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31192 Aigoual (1997 YH16)
Classification: Main-belt Asteroid          SPK-ID: 2031192
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1871237106201335 5.522e-08  
a 2.750973159821121 1.825e-08 au
q 2.236200854338999 1.5732e-07 au
i 3.453054530658018 4.5521e-06 deg
node 65.62261875907755 9.6233e-05 deg
peri 278.092834021505 9.6992e-05 deg
M 94.87448486033416 1.2145e-05 deg
tp 2456961.287302766026
(2014-Oct-30.78730277)
5.5277e-05 JED
period 1666.586872508409
4.56
1.6585e-05
4.541e-08
d
yr
n .2160103418180403 2.1496e-09 deg/d
Q 3.265745465303243 2.1665e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1009  
   data-arc span      13565 days (37.14 yr)  
   first obs. used      1978-10-28  
   last obs. used      2015-12-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54994  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 14:16:07  

Additional Information
 Earth MOID = 1.22981 au 
 Jupiter MOID = 2.13877 au 
 T_jup = 3.317 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.9 mag n/a MPO309395  
rotation period rot_per 4.3291 h n/a LCDB (Rev. 2015-December); 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

31192 Aigoual           Discovered 1997 Dec. 29 at Pises.
Mount Aigoual is the highest mountain of the Cevennes.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20020328/MPCPages.arcLast Updated: 2003-10-02

Alternate Designations
 1997 YH16 = 1978 UB4 = 1994 CG10 = 1996 RW26 = 2001 QS93 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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