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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05302211389460131 1.0629e-08  
a 2.265734302234187 6.2318e-09 au
q 2.145600280006221 2.3292e-08 au
i 2.911489671818296 5.7304e-07 deg
node 192.3868854915013 2.0753e-06 deg
peri 280.3073133348732 2.6037e-05 deg
M 253.4104780501068 2.4908e-05 deg
tp 2459765.328022532322
(2022-Jul-04.82802253)
8.6391e-05 TDB
period 1245.69550254718
3.41
5.1394e-06
1.407e-08
d
yr
n .2889951832240522 1.1923e-09 deg/d
Q 2.385868324462153 6.5623e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2004  
   data-arc span      9269 days (25.38 yr)  
   first obs. used      1996-03-24  
   last obs. used      2021-08-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50644  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-24 21:32:39  

Additional Information
 Earth MOID = 1.16474 au 
 Jupiter MOID = 2.64768 au 
 T_jup = 3.613 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456740.5 (2014-Mar-24.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05314536668995789 1.0453e-08  
q 2.145465336034053 2.2835e-08 au
tp 2457271.310724492758
(2015-Sep-05.81072449)
8.5141e-05 TDB
node 192.5076214680667 2.0798e-06 deg
peri 279.5223946029016 2.5948e-05 deg
i 2.907876998234704 5.7263e-07 deg
  Orbit Determination Parameters
   # obs. used (total)      2004  
   data-arc span      9269 days (25.38 yr)  
   first obs. used      1996-03-24  
   last obs. used      2021-08-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50644  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-24 21:32:39  

Additional Information
 Jupiter MOID = 2.64768 au 
 T_jup = 3.613 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.092561231384587E-16 -2.313554157913205E-16 6.18638638423729E-13 -2.859080803373115E-16 1.851586291218634E-13 1.070426871467339E-15
q -2.313554157913205E-16 5.214490682673676E-16 -1.384174231424424E-12 5.989544168066563E-16 -4.150340868287499E-13 -2.286013296937657E-15
tp 6.18638638423729E-13 -1.384174231424424E-12 7.248996775322743E-9 -4.497274959539024E-11 2.200021149793881E-9 1.961704198459914E-11
node -2.859080803373115E-16 5.989544168066563E-16 -4.497274959539024E-11 4.325464366771061E-12 -1.815576920836992E-11 -2.291107861299493E-13
peri 1.851586291218634E-13 -4.150340868287499E-13 2.200021149793881E-9 -1.815576920836992E-11 6.732828105509227E-10 6.142455010775281E-12
i 1.070426871467339E-15 -2.286013296937657E-15 1.961704198459914E-11 -2.291107861299493E-13 6.142455010775281E-12 3.279036911889505E-13

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.43   n/a MPO636302  
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

Alternate Designations
 1996 KG = 1999 EW2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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