closest approach

closest approach

[′klō·səst ə′prōch]
(astronomy)
The event that occurs when two planets or other celestial bodies are nearest to each other as they orbit about the sun or other primary.
The place or time of such an event.
References in periodicals archive ?
Ultraviolet emissions should sharply decline as one star blocks the other just before their closest approach.
For the time of closest approach, the cameras' fields of view will drag across the surface.
htm) Natural World News reports that the third supermoon will see the moon at "its closest approach to Earth, making it appear 16 percent bigger and 30 percent brighter than other full moons.
Throughout the next year, Rosetta will become the first ever spacecraft to observe from such a close vantage point what happens to an icy comet as it warms up during its closest approach to the sun.
At its closest approach to Earth on June 8, the asteroid came within 776,000 miles (1.
ISON, named for the International Scientific Optimal Network that found it, made its closest approach to the sun on Thanksgiving.
At the time of its closest approach to Earth the asteroid was about 17,150 miles above Earth's surface, and flew inside the orbits of high geostationary satellites some 22,000 miles above the Earth.
The closest approach as seen from Delhi will be between 1 am and 2 am on February 16, at a point where the asteroid will be seen near Virgo constellation, according to C.
The time of the asteroid's closest approach will be 2:24 p.
The observer noted during each trial: (1) the number of chickadees and titmice present, (2) the distance of closest approach by a titmouse and chickadee, and whether a chickadee or a titmouse (3) first approached within 5 m of the raptor or control, and (4) spent more time within 5 m of the predator.
Summary: SHARJAH -- The moon will be on its perigee, or the closest approach to the earth, on June 3 and the biggest and the brightest "super moon" will be born at sunset on June 4, researchers said.
A supermoon is the coincidence of a full moon (or a new moon) with the closest approach the moon makes to the Earth * TUESDAY MAY 8: Claire Lomas, 32, who is paralysed from the chest down, wears a bionic ReWalk suit as she stands with her husband Dan, after finishing the London Marathon on The Mall, 16 days after the race began.