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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1190219934884615 1.8546e-08  
a 2.220999908824134 5.554e-09 au
q 1.956652072138194 4.0787e-08 au
i 5.739853019110943 5.9747e-07 deg
node 198.5438170323747 2.7857e-06 deg
peri 25.75008291641462 4.1466e-06 deg
M 188.5953771503603 3.5007e-06 deg
tp 2459972.127147827702
(2023-Jan-27.62714783)
1.2517e-05 TDB
period 1208.985905822133
3.31
4.5349e-06
1.242e-08
d
yr
n .2977702207001274 1.1169e-09 deg/d
Q 2.485347745510073 6.215e-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 = .950392 au 
 Jupiter MOID = 2.487 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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