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

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08765098561527587 4.4831e-08  
a 2.56241046619766 8.8235e-09 au
q 2.337812663284537 1.164e-07 au
i 3.291162348138427 3.4124e-06 deg
node 61.7434421619973 7.3014e-05 deg
peri 128.2404181442527 7.594e-05 deg
M 62.18545980826944 2.2144e-05 deg
tp 2458741.703841600837
(2019-Sep-15.20384160)
9.1815e-05 TDB
period 1498.205807450013
4.10
7.7384e-06
2.119e-08
d
yr
n .2402874145927452 1.2411e-09 deg/d
Q 2.787008269110784 9.5969e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2683  
   data-arc span      13101 days (35.87 yr)  
   first obs. used      1984-09-23  
   last obs. used      2020-08-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45828  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 01:01:21  

Additional Information
 Earth MOID = 1.3394 au 
 Jupiter MOID = 2.16931 au 
 T_jup = 3.426 
[ 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 13.1   n/a MPO473978  
diameter diameter 7.712 km 0.173 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 5.316 h n/a LCDB (Rev. 2019-August); 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.]
geometric albedo albedo 0.187   0.021 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

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 | Mission Design | Physical Parameters | Discovery Circumstances ]
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