| CPC G06Q 10/0833 (2013.01) | 17 Claims |

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1. A monitoring terminal, comprising:
a processor programmed to:
acquire a current date and time indicating a date and time at present;
store, in a memory, (i) a first destination to which a first object is shipped, (ii) a shipping date and time indicating a date and time at which the first object is to be shipped to the first destination, and (iii) a first arrival date and time indicating a date and time at which the first object is expected to arrive at the first destination;
in response to a determination that the current date and time is before the shipping date and time, acquire first position information indicating a current position of the first object from a GPS satellite at a first interval;
in response to a determination that the current date and time is after the shipping date and time, acquire the first position information from the GPS satellite at a second interval shorter than the first interval;
in response to a determination that the current date and time is within a predetermined time from the first arrival date and time,
acquire the first position information from the GPS satellite at a third interval shorter than the second interval, and
calculate a distance from the first object to the first destination based on the most recently acquired first position information and update the first arrival date and time to a second arrival date and time at which the first object is expected to arrive at the first destination;
in response to a determination that the current date and time is not within the predetermined time from the second arrival date and time, acquire the first position information from the GPS satellite at the second interval; and
in response to a determination that the current date and time is within the predetermined time from the second arrival date and time, acquire the first position information from the GPS satellite at the third interval.
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