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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0884899983115402 6.2598e-08  
a 2.562615685027197 1.4992e-08 AU
q 2.335849827386014 1.6437e-07 AU
i 3.291901897427406 4.6543e-06 deg
node 61.78668747309482 9.7006e-05 deg
peri 127.6029613312327 0.00010031 deg
M 302.0787745741836 2.8127e-05 deg
tp 2457241.578725962085
(2015-Aug-07.07872596)
0.00011733 JED
period 1498.385793952272
4.10
1.3149e-05
3.6e-08
d
yr
n .2402585512042483 2.1084e-09 deg/d
Q 2.78938154266838 1.6319e-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 = 1.33891 AU 
 T_jup = 3.426 
[ 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-July); 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., in press.]

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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