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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08813938923504033 7.9923e-09  
a 2.563473728680715 8.1567e-09 au
q 2.337530719914726 1.913e-08 au
i 3.289301364136612 1.0029e-06 deg
node 61.70726761908326 6.4054e-06 deg
peri 128.5471923018371 1.817e-05 deg
M 109.8992535969023 1.4507e-05 deg
tp 2458742.849463890796
(2019-Sep-16.34946389)
6.0258e-05 TDB
period 1499.138416386455
4.10
7.1551e-06
1.959e-08
d
yr
n .2401379326051488 1.1461e-09 deg/d
Q 2.789416737446705 8.8756e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2774  
   data-arc span      13155 days (36.02 yr)  
   first obs. used      1984-09-23  
   last obs. used      2020-09-29  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45788  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 01:05:51  

Additional Information
 Earth MOID = 1.33835 au 
 Jupiter MOID = 2.16578 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 13.13   n/a E2021B10  
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. 2020-October); 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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