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JPL Small-Body Database Browser
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15866 (1996 KG)
Classification: Main-belt Asteroid          SPK-ID: 2015866
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05316843583559933 2.9138e-08  
a 2.266002357650432 7.0258e-09 au
q 2.145522556694378 6.6567e-08 au
i 2.909548881108019 3.9604e-06 deg
node 192.4721401239715 6.2382e-05 deg
peri 279.2170733487077 7.2915e-05 deg
M 140.0912136812537 3.7789e-05 deg
tp 2458515.661208550534
(2019-Feb-01.16120855)
0.00013047 TDB
period 1245.916573461481
3.41
5.7945e-06
1.586e-08
d
yr
n .2889439049677509 1.3438e-09 deg/d
Q 2.386482158606485 7.3993e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1751  
   data-arc span      8459 days (23.16 yr)  
   first obs. used      1996-03-24  
   last obs. used      2019-05-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52167  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 21:29:41  

Additional Information
 Earth MOID = 1.16435 au 
 Jupiter MOID = 2.65055 au 
 T_jup = 3.613 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.4   n/a MPO365443  
diameter diameter 3.768 km 0.290 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 17.059 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 0.260   0.058 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

15866 (1996 KG)          Discovered 1996-May-16 by Visnjan at Visnjan
Reference: 20000726/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1996 KG = 1999 EW2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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