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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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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1190242454983365 1.8549e-08  
a 2.221078100820114 5.5903e-09 au
q 1.956715955677122 4.0818e-08 au
i 5.739741108373305 5.9745e-07 deg
node 198.5442420383401 2.7857e-06 deg
peri 25.80275939905851 4.1497e-06 deg
M 130.167903427979 3.4538e-06 deg
tp 2458763.334802039949
(2019-Oct-06.83480204)
1.136e-05 TDB
period 1209.04975129061
3.31
4.5647e-06
1.25e-08
d
yr
n .2977544965504646 1.1241e-09 deg/d
Q 2.485440245963107 6.2557e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2958  
   data-arc span      12196 days (33.39 yr)  
   first obs. used      1987-09-23  
   last obs. used      2021-02-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45224  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 01:08:53  

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

[ show close-approach data ]
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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