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15693 (1984 SN6)
Classification: Main-belt Asteroid          SPK-ID: 2015693
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08779144003195011 6.2776e-08  
a 2.561452157237516 1.4918e-08 au
q 2.336578583780689 1.6442e-07 au
i 3.291898814703393 4.6548e-06 deg
node 61.75148710668898 9.7021e-05 deg
peri 127.578642607359 0.00010037 deg
M 86.33688898684744 2.8451e-05 deg
tp 2457241.394799620181
(2015-Aug-06.89479962)
0.00011793 JED
period 1497.365421128726
4.10
1.3081e-05
3.581e-08
d
yr
n .2404222742960293 2.1003e-09 deg/d
Q 2.786325730694343 1.6227e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1750  
   data-arc span      11223 days (30.73 yr)  
   first obs. used      1984-09-23  
   last obs. used      2015-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .4975  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jul-06 12:16:57  

Additional Information
 Earth MOID = 1.33783 au 
 Jupiter MOID = 2.17216 au 
 T_jup = 3.427 
[ 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 13.0 mag n/a MPO266040  
rotation period rot_per 5.3159 h n/a LCDB (Rev. 2016-February); 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. (2016) Astron. J. 150, A75.]

15693 (1984 SN6)          Discovered 1984-Sep-23 by Debehogne, H. at La Silla
Reference: 20000726/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1984 SN6 = 1995 GR 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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