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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 ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05287900556754056 1.0458e-08  
a 2.266713292221655 6.2416e-09 au
q 2.146851747422247 2.2817e-08 au
i 2.909728462528047 5.7277e-07 deg
node 192.4192122349884 2.0785e-06 deg
peri 279.7112360993487 2.6168e-05 deg
M 197.383506099189 2.5012e-05 deg
tp 2459763.560946936480
(2022-Jul-03.06094694)
8.6929e-05 TDB
period 1246.502959415495
3.41
5.1486e-06
1.41e-08
d
yr
n .2888079785777722 1.1929e-09 deg/d
Q 2.386574837021062 6.5717e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1961  
   data-arc span      8933 days (24.46 yr)  
   first obs. used      1996-03-24  
   last obs. used      2020-09-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50582  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 01:11:39  

Additional Information
 Earth MOID = 1.16554 au 
 Jupiter MOID = 2.64847 au 
 T_jup = 3.612 
[ 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 14.42   n/a E2021B10  
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. 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 0.260   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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