Relativistic Gravitational Experiment in the Earth Orbit: Concept, Technology, and Configuration of Satellite Constellation

2017 ◽  
Vol 51 (7) ◽  
pp. 669-675 ◽  
Author(s):  
A. A. Barabanov ◽  
V. K. Milyukov ◽  
I. V. Moskatiniev ◽  
I. M. Nesterin ◽  
V. K. Sysoev ◽  
...  
Keyword(s):  
Earth Orbit ◽  
Satellite Constellation ◽  
The Earth ◽  
Gravitational Experiment

scholarly journals The Historical Activity of Comet 55P/Tempel-Tuttle and Large Leonid Meteoroids

2002 ◽  
Vol 12 ◽  
pp. 356-360 ◽  
Author(s):  
Martin Beech
Keyword(s):  
Numerical Integration ◽  
Surface Activity ◽  
Orbital Period ◽  
Absolute Magnitude ◽  
Earth Orbit ◽  
The Past ◽  
The Earth ◽  
Tentative Evidence ◽  
Historical Activity ◽  
The Absolute

AbstractEven though comet 55P/Tempel-Tuttle has an orbital period of about 33 years it has only been recovered five times in the past 630 years. The earliest clearly documented return is that of 1366, with the others being in 1699, 1865, 1965 and 1998. The comet may have been briefly sighted in 1035 (indicative of a possible outburst) and in 1234 and it was conspicuous by its non-recovery in 901 (possibly indicating very low surface activity during that return). We review the absolute magnitude data for comet 55P /Tempel-Tuttle and find tentative evidence to suggest it underwent an outburst in 1699. If large meteoroids were ejected from the comet during the 1699 outburst numerical integration studies find that they would have been Earth-orbit crossing in 1832 and 1965 - years in which the Leonid shower was rich in bright fireballs. The Earth will also sample 1699 ejected material in November 2001.

The Earth-Observing Satellite Constellation: A Review From a Meteorological Perspective of a Complex, Interconnected Global System With Extensive Applications

2021 ◽  
pp. 2-18
Author(s):  
Sid-Ahmed Boukabara ◽  
John Eyre ◽  
Richard A. Anthes ◽  
Kenneth Holmlund ◽  
Karen M. St. Germain ◽  
...  
Keyword(s):  
Global System ◽  
Satellite Constellation ◽  
The Earth

scholarly journals Polar mesospheric clouds observed by Himawari-8

2018 ◽  
Author(s):  
Takuo T. Tsuda ◽  
Yuta Hozumi ◽  
Kento Kawaura ◽  
Keisuke Hosokawa ◽  
Hidehiko Suzuki ◽  
...  
Keyword(s):  
Earth Orbit ◽  
Polar Regions ◽  
Initial Report ◽  
Geostationary Earth Orbit ◽  
Polar Mesospheric Clouds ◽  
The Earth ◽  
Mesospheric Clouds ◽  
Near Future ◽  
Meteorological Satellite

Abstract. We make an initial report on polar mesospheric clouds (PMCs) observed by Himawari-8, the Japanese Geostationary-Earth-Orbit (GEO) meteorological satellite. Heights of the observed PMCs were estimated to be 80–82 km. The PMCs were active only during summertime in both the northern and southern polar regions. These results are concrete evidences of PMCs. PMC observations by Himawari-8 can provide continuous PMC monitoring at every 10 minutes with 3 visible bands from its almost fixed location relative to the Earth, and it would enhance PMC research in the near future.

Sign in / Sign up

Export Citation Format

Share Document