Discovery of a New Jupiter Satellite

@article{Jewitt1979DiscoveryOA,
  title={Discovery of a New Jupiter Satellite},
  author={David C. Jewitt and G. Edward Danielson and Stephen P. Synnott},
  journal={Science},
  year={1979},
  volume={206},
  pages={951 - 951}
}
During detailed analysis of Voyager 2 pictures of the Jupiter ring, a starlike object was identified in the plane of the ring. The same object was subsequently found on a higher-resolution frame and proved to be a satellite of Jupiter. This satellite has a circular orbit whose radius is 1.8 Jupiter radii, a period of 7 hours and 8 minutes, and a diameter of less than 40 kilometers. It is located at the outer edge of the Jupiter ring. 
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1979J2: The Discovery of a Previously Unknown Jovian Satellite.

During a detailed examination of imaging data taken by the Voyager 1 spacecraft within 4.5 hours of its closest approach to Jupiter, a shadow-like image was observed on the bright disk of the planet in two consecutive wide-angle frames, proving that it was not an atmospheric feature, and showing that it could not have been a shadow of any satellite known at the time.

1979J3: Discovery of a Previously Unknown Satellite of Jupiter.

During a detailed search of Voyager 1 frames for additional observations of the satellite 1979J1, two small dark spots were observed in transit in several consecutive wide-angle frames of the Jovian atmosphere, proving that this satellite would have been occulted by Jupiter at the times of the Voyager 2 images of1979J1 and was, therefore, a new satellite.

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