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15774 (1993 FK38)
Classification: Main-belt Asteroid          SPK-ID: 2015774
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 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03939810047661228 2.8401e-08  
a 3.151998405196849 1.5362e-08 au
q 3.027815655326782 9.4436e-08 au
i 4.387602261636182 4.0877e-06 deg
node 152.2719302100049 4.1904e-05 deg
peri 117.6621180093776 6.9771e-05 deg
M 301.8299173693994 5.6005e-05 deg
tp 2459726.774155254982
(2022-May-27.27415525)
0.00031794 TDB
period 2043.983616919367
5.60
1.4943e-05
4.091e-08
d
yr
n .1761266563097906 1.2876e-09 deg/d
Q 3.276181155066916 1.5967e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2282  
   data-arc span      11202 days (30.67 yr)  
   first obs. used      1990-10-16  
   last obs. used      2021-06-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49857  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 03:55:59  

Additional Information
 Earth MOID = 2.01487 au 
 Jupiter MOID = 1.75925 au 
 T_jup = 3.202 
[ 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 13.47   n/a MPO614063  
diameter diameter 7.214 km 0.117 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 6.68949 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 0.156   0.036 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

15774 (1993 FK38)          Discovered 1993-Mar-19 by UESAC at La Silla
Reference: 20000726/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1993 FK38 = 1990 UT9 = 1998 EM15 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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