The distance of closest approach of two objects is the distance between their centers when they are externally tangent. The objects may be geometric shapes...

close the approaching body will be at periapsis. If this is less than planet's radius an impact should be expected. The distance of closest approach, or periapsis...

the perihelion date. Distance of closest approach Eccentric anomaly Flyby (spaceflight) Hyperbolic trajectory § Closest approach Mean anomaly Perifocal...

Sun with semiminor and semimajor axes of 80,000 and 100,000 AU, respectively. The distance of closest approach of Gliese 710 is generally difficult to...

0855−0714 (possibly a rogue planet). The closest system is Alpha Centauri, with Proxima Centauri as the closest star in that system, at 4.2465 light-years...

van der Waals radius, rw, of an atom is the radius of an imaginary hard sphere representing the distance of closest approach for another atom. It is named...

used in regard to asteroid flybys of Earth for example. Important parameters are the time and distance of closest approach. Flyby maneuvers can be conducted...

; the distance in terms of the original coordinates is the same as the distance in terms of the revised coordinates. The formula for the closest point...

the preceding section, these are the closest known asteroids per year that approach Earth within one lunar distance. More than one asteroid per year may...

difficult, since it depends on the relative orientation of the particles. The distance of closest approach of hard ellipses and their excluded area has been recently...

interaction is electromagnetic in nature — and not nuclear — the distance of closest approach of the colliding nuclei has to be sufficiently large. In particular...

represented by that line which most closely approaches the data points (as measured by squared distance of closest approach, i.e. perpendicular to the line). In...

v {\displaystyle \approx h/m_{\text{e}}v} and the classical distance of closest approach ≈ e ¯ 2 / m e v 2 {\displaystyle \approx {\bar {e}}^{2}/m_{\text{e}}v^{2}}...

represented by a statistically averaged cloud of continuous charge density, with a minimum distance of closest approach. The last assumption means that each cation...

the argument of the Coulomb logarithm, which is the ratio of the maximum impact parameter to the classical distance of closest approach in Coulomb scattering...

Earth is, while their distance of closest approach can be less than twice the Sun's radius. They are believed to be fragments of one large comet that broke...

represents the distance of closest approach; since the orbit goes to infinity ( u = 0 {\textstyle u=0} ), there is no distance of furthest approach. A root represents...

d} is the distance of closest approach of the radar wave to the center of the Sun, x e {\displaystyle x_{e}} is the distance along the line of flight from...

{1}{{T_{e}}^{\frac {1}{2}}}}\ {\mbox{cm}}} classical distance of closest approach, also known as "Landau length" the closest that two particles with the elementary...

be interpreted as the distance of closest approach. Although this formula is approximate, it is accurate for most measurements of gravitational lensing...

if any, of the available planet will set a limit to the approach distance; for bodies with no atmosphere, like the moon, the closest approach is set by...

portal Cartesian oval, a generalization of the ellipse Circumconic and inconic Distance of closest approach of ellipses Ellipse fitting Elliptic coordinates...

hundreds of particles per event. Distance of closest approach Hyperbolic trajectory § Impact parameter Schwarzschild geodesics § Bending of light by gravity...

= 2 e 2 / b v {\displaystyle dp=2e^{2}/bv} , where b is the distance of closest approach between the electrons, and v is the incident electron velocity...

value of u and the inverse of the smallest possible value of r, i.e., the distance of closest approach (periapsis). Since the radial distance r cannot...

is the list of asteroid close approaches to Earth in 2016. A list of known near-Earth asteroid close approaches less than 1 lunar distance (0.0025696 AU...

will be reflected to the eye of an observer." This leads to a quartic equation. Finding the distance of closest approach of two ellipses involves solving...

asteroid close approaches less than 1 lunar distance (384,400 km or 0.00257 AU) from Earth in 2013, based on the close approach database of the Center for...

latter distance is that between the query point and the closest possible point that could exist in the half-space not searched. If this distance is greater...

is the list of asteroid close approaches to Earth in 2010. A list of known near-Earth asteroid close approaches less than 1 lunar distance (384,400 km...