12 Ophiuchi

12 Ophiuchi

UAS - Twelve-Ohpi

Union System, M-0 Galaxy. Upward Sector - 32 LY from Sol - 344 Ly from Spqr

12 Ophiuchi is a main-sequence orange-red dwarf star of spectral and luminosity type K0-2  (Wurgus Classified as a Grogo 9 - Stable)

Eight planets - sixty five Sub / Dwarf planets and 24 large moons.

First physical survey for Earth 2177 OTT by United Earth Explorers. First colonists arrived in 2179 OTT (Arks Torbuk, Michigan and Petersburg) and landed on the marginal Gardenworld  Ophi 2. ( GWC 7B ) - with a local biosphere of microbes.

The system expanded fast and all major objects are occupied and utilized. Over 77 billion beings live and work here. Industry is diverse and there are 3 Class A space ports and the outmost planet (Ophi 8 ) is the systems Traffic Hub with a Space Train connection and a HHW gate within 1 light year distance. ( Twelve Ohpi Gate is part of the  Sol-SPQR connection.)

Due to the SOL - SPQR connection there is a lot of stop over traffic and service business

Science and Pre Astro Data
Right Ascension 16h 36m

Declination −02° 19'

Distance 31.97 ± 0.26 ly

Spectral Class K0V

Estimated Mass 0.90 × Sol

Luminosity 0.412 × Sol

The Star

12 Ophiuchi is a main-sequence orange-red dwarf star of spectral and luminosity type K0-2 Ve, but has been classed as yellow as G9 (López-Santiago et al, 2010, HD 149661 in Table A.2). The star may have around 83 percent of Sol's mass (NASA Star and Exoplanet Database, based on David F. Gray, 1992), 85 to 100 percent of its diameter (Perrin and Karoji, 1987, page 236; and Johnson and Wright, 1983, page 687), and around 39 percent of its visual luminosity and over 45 percent of its bolometric luminosity (NASA Star and Exoplanet Database, derived from the exponential formula of Kenneth R. Lang, 1980). It appears to be as enriched than Sol in elements heavier than hydrogen ("metals") with about 102 percent of Sol's abundance of iron (Cayrel de Strobel et al, 1991, page 300).

Estimates based on one type of model calculations performed for the NASA Star and Exoplanet Database indicate that the inner edge of 12 Ophiuchi's habitable zone could be located around 0.586 AU from the star, while the outer edge edge lies around 1.163 AUs. Based on a bolometric luminosity of 45.3 percent Solar, the orbital distance from 12 Ophiuchi where an Earth-type planet may have liquid water on its surface is centered around only 0.673 AU -- inside the orbital distance of Venus in the Solar System -- where a planet probably would have an orbital period of about 221 days or near 61 percent of an Earth year.