3138 Ciney
3138 Ciney is a main-belt asteroid discovered by H. Debehogne at La Silla in 1980.
A total of 1548 data points were obtained over 20nights during the period 2013 April 9 –
July 5 as the solar phase angle increased from +3.9° to +29.0°.
The average magnitude was 16.1 and average SNR was 88.
The lightcurve shows a period of 56.096 ± 0.026 h and amplitude of 0.56 ± 0.02 mag,
suggesting that the asteroid rotated 37 times during the period of observation.
These findings were published in the Minor Planet Bulletin, Volume 41, Number 1,
2014January - March.