Space stations typically require a regular altitude boost to counteract orbital decay (see also orbital station keeping).

STS 1 was the first orbital flight of NASA's Space Shuttle program.

The effects of orbital debris on space security and the urgent need for action were a major focus.

For the International Space Station, or a space shuttle in low Earth orbit, the orbital velocity is about 27,000 km per hour (17,000 miles per hour).

We would, they predicted, launch satellites, dispatch humans on orbital flights, assemble a large earth orbiting space station, build reusable space shuttles, construct space telescopes, and send humans to the moon, Venus, and Mars.

Orbital simulations are used to determine what orbital parameters (including orbital distance) produce the observations seen by astronomers.

But I think when you guys start buying tickets and flying sub orbital flights to space, very soon wait a minute, what's happening here, we'll have military fighters with sub orbital capability, and I think very soon this.

Namely by emphasizing the need for better and more reliable space surveillance data to monitor debris, share basic orbital data within an integrated network, improve satellite registration and tracking of space objects.

(e) The development and implementation of technical standards to define general requirements for mitigating orbital pollution caused by the exploitation of space technology.

The Russian Federation has established world records in the length of a human's stay aboard an orbital station and has developed, in the course of operating the Mir orbital complex, effective technologies for medico biological support during prolonged stays in outer space.

Apart from the debris problem, in the course of placing weapons in space, orbital groups of spacecrafts limit the accessibility of others, thus challenging the nature of space as an unlimited natural resource for all mankind.

This session will be covered by papers addressing all other legal matters, but specifically legal aspects of sub orbital flights, including institutional jurisdiction, the boundary between air space and outer space, liability, registration and landing rights

They therefore have approximately the same orbital period as Neptune and follow roughly the same orbital path.

Travelling at the orbital speed of the Space Shuttle (8 kilometres per second almost 30,000 kilometres per hour), it would take about 150,000 years to get there.

Paul Allen, Elan Musk, Richard Branson, Jeff Bezos, the Ansari family, which is now funding the Russians' sub orbital thing, Bob Bigelow, a private space station, and Carmack.

Brazil successfully launched its first rocket into space on 23 October 2004 from the Alcântara Launch Center it was a VSB 30 launched on a sub orbital mission.

(iii) Any change of orbital position

The white dots are the probability wave that will show you where the electron is in any given point of time and space in this particular three orbital configuration.

At least 10 other dogs were launched into orbit and numerous others on sub orbital flights before the historic date of 12 April 1961, when Yuri Gagarin became the first human in space.

However, perturbations cause the orbital elements to change over time.

The development and dissemination of small size and cheap strike systems, capable of creating small pockets of orbital debris that would deny other parties access to space, if unmonitored, could lead to a new arms race.

It would have an orbital period of roughly 1.8 million years.

These are the squamous part, the orbital part, and the nasal part.

In contrast, molecular orbital theory has orbitals that cover the whole molecule.

(d) Other legal matters 1, including legal aspects of sub orbital flights.

(iii) Kilometres, minutes and degrees as the standard units for basic orbital parameters

It is a measure of the actual degree of cleanliness of the orbital zone.

The required speed is called orbital velocity, and it varies with the height of the orbit.

This includes Pluto, which shares its orbital neighbourhood with Kuiper belt objects such as the plutinos.

He guessed the same force was responsible for other orbital motions, and hence named it universal gravitation .

The presence of Neptune has a profound effect on the Kuiper belt's structure due to orbital resonances.

If Λ 1, then the body will likely clear out the small bodies in its orbital zone.

In that case, the observing campaign should at least achieve an orbital accuracy allowing a future recovery.

The first satellite (orbital) photographs of Earth were made on August 14, 1959 by the U.S. Explorer 6.

In perfect two body motion, these orbital elements would be invariant (just like the Keplerian elements would be).

The square of a satellite's orbital period is proportional to the cube of its average distance from the planet.

Earth co orbits with 10,000 near Earth asteroids (NEAs), and Jupiter has 100,000 Trojan asteroids in its orbital path.

The United States supported the IADC orbital debris mitigation guidelines, and its agencies were well along in implementing them.

Accelerating a spacecraft to orbital speed requires more than 60 times as much energy as accelerating it to Mach 3.

Despite the widespread acknowledgement of the danger of orbital debris, Aldworth emphasized that the problem has not deserved sufficient attention.

(a) To promote and coordinate at an international level activities related to the discovery, tracking and orbital computations of NEOs

The orbital elements given here are as of January 2000, but they are continuously changing due to solar and planetary perturbations.

(a) To promote and coordinate activities for the discovery, pursuit (follow up) and orbital calculation of NEOs at the international level

(a) Determine the orbital deflection of the asteroid as a result of the impact, to an accuracy of approximately 10 per cent

Before hyperbolic geometry, mathematicians knew about two kinds of space Euclidean space, and spherical space.