Contents.
          asteroid: (130)Elektra
        satellites: S/2003(130)1 : 12,
                    S/2014(130)1 : 20,
                    S/2014(130)2 : 20
      total number: 52
              type: position
             dates: 2019
       observatory: 309 - Cerro Paranal ESO, Chile

Reference.
  Fuksa, M.; Brož, M.; Hanuš, J.; Ferrais, M.; Fatka, P.; Vernazza, P.
  An advanced multipole model of the (130) Elektra quadruple system.
  Astronomy & Astrophysics. 2023. Volume 677, id.A189, 19 pp.
  2023A&A...677A.189F

Informations.
       relative to: the primary
   reference frame: astrometric ICRF
   centre of frame: topocentric
  epoch of equinox: J2000
        time scale: UTC
         reduction: see Section 2 in the referenced paper
       coordinates: X, Y (secondary relative to primary)
  diff. refraction: no information
          receptor: CCD
         telescope: SPHERE + ZIMPOL

Comments.

Format.
 1. Index of the satellite (N):
    1 - S/2003(130)1
    2 - S/2014(130)1
    3 - S/2014(130)2
 2. Julian date of the observation (JD)
 3. Relative right ascension (X, mas)
 4. Relative declination (Y, mas)

--------------------------------
N  JD              X       Y
                  mas     mas
--------------------------------