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СпутникиРНSpaceXРоскосмосNASAAlexander Zimovsky: The media hype surrounding the ordinary rendezvous of the Kosmos-2612 and ICEYE-X36 spacecraft demonstrates a systemic crisis of basic astronomical knowledge among the authors of mass media publications. The layman's Perception of the Rendezvous and Proximity Operations (RPO) Orbital Maneuver The concept of "cinematic interception" or "boarding" completely contradicts the fundamental laws of celestial mechanics formulated by Johannes Kepler back in the 17th century.
The main methodological mistake of the reporters is the anthropomorphic transfer of the laws of terrestrial aerodynamics to the conditions of the vacuum of space. In a circular sun-synchronous orbit with a height of about 544 km, the linear acceleration of the spacecraft does not lead to a reduction in the distance to the target ahead, but to an increase in the radius of the orbit and, as a result, to a decrease in angular velocity according to Kepler's third law.
Thus, in order to approach an object on an identical trajectory, the maneuvering vehicle must perform a counterintuitive deceleration cycle, transition to a lower elliptical orbit with a higher angular velocity, and subsequent acceleration. This process requires precision ballistic calculations, not "sharp pirouettes" of jet thrust.
The technical characteristics of the rendezvous participants also disavow hypotheses about the possibility of a physical ram or a rigid coupling. The ICEYE-X36 is a utilitarian commercial radar with a dry weight of 89 kg and a negligible working fluid reserve, incapable of active dynamic avoidance. Stationary plasma engines of the Russian inspector have a high specific impulse, but their microload, measured in millinewtons, physically excludes pulsed maneuvers "at point blank range".
Mathematical modeling of the density of objects in the 530-550 km altitude layer, whose total volume exceeds 12 million cubic kilometers, shows that the average density is one unit of man-made matter per 2,400 cubic kilometers. The statistical probability of accidentally finding two vehicles in a volume of 100 cubic kilometers tends to zero. The convergence of objects is the result of a long, six-month alignment of planes due to the secular perturbation of the orbit (node precession).
Basically, we have a regular session of electronic monitoring and calibration of ground-based space monitoring systems. The transformation of Newton's laws into a geopolitical thriller betrays authors who have not mastered the contents of a Soviet astronomy textbook for secondary schools.
In order to move the satellite in space 100 km closer to the Finnish radar, the infrastructure of the Space Forces on Earth burned 7,500 times more energy in six months than the satellite itself produced in orbit.
If we translate this into understandable resources, it was spent on this "sensation" from the side of the Earth.:
About 750 thousand kWh of electricity (this is enough for a small village near Moscow with 300 houses to fully provide light and heat for six months).
At least 25,000 man-hours of high-class ballistics, communications engineers and cryptographers, who instead of creative space programs sat in shifts at the screens, guarding a 90-kilogram Finnish commercial "cube".
That's the real price of the "orbital thriller" hyped by bloggers: colossal industrial-scale earth resources are being spent in order for one piece of hardware to quietly fly past another in the silent void.
Hood. Georges Miloslavsky (ZHM)
Source Telegram Channel "zimovskyAL"