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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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 
[ 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 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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