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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08783402492877183 6.2754e-08  
a 2.561294320629851 1.5022e-08 au
q 2.336325531421727 1.6448e-07 au
i 3.292007671948337 4.655e-06 deg
node 61.75230111182256 9.7018e-05 deg
peri 127.5169189803015 0.00010036 deg
M 38.30286517287159 2.8382e-05 deg
tp 2457241.199764581333
(2015-Aug-06.69976458)
0.00011786 JED
period 1497.227021840066
4.10
1.3172e-05
3.606e-08
d
yr
n .2404444982281753 2.1154e-09 deg/d
Q 2.786263109837975 1.6342e-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 = 1.338 au 
 Jupiter MOID = 2.17199 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. 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.]

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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