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15776 (1993 KO)
Classification: Main-belt Asteroid          SPK-ID: 2015776
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1190242486250177 2.8849e-08  
a 2.221078100494196 5.7326e-09 au
q 1.956715948445392 6.3488e-08 au
i 5.739738111410112 3.5724e-06 deg
node 198.5442550149689 2.601e-05 deg
peri 25.80272662828547 2.9421e-05 deg
M 130.1679251775703 1.3777e-05 deg
tp 2458763.334729090790
(2019-Oct-06.83472909)
4.5982e-05 TDB
period 1209.049751024488
3.31
4.6809e-06
1.282e-08
d
yr
n .2977544966160029 1.1528e-09 deg/d
Q 2.485440252542999 6.415e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2893  
   data-arc span      12165 days (33.31 yr)  
   first obs. used      1987-09-23  
   last obs. used      2021-01-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45474  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 02:25:45  

Additional Information
 Earth MOID = .948778 au 
 Jupiter MOID = 2.48809 au 
 T_jup = 3.634 
[ 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 13.96   n/a E2021B10  
diameter diameter 4.498 km 0.100 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 3.36991 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:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.240   0.044 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

15776 (1993 KO)          Discovered 1993-May-20 by Otomo, S. at Kiyosato
Reference: 20000726/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 1993 KO = 1987 SF23 = 1996 HH22 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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