Indigo
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| Orbital characteristics | ||
| Mass (Kg) | 4.52E+24 | |
| Radius (Km) | 5,858 | |
| Solar Day (h) | 79.1 | |
| Orbital Period (days) | 488 | |
| Semi-Major Axis (Km) | 1.74E+08 | |
| Periapsis (AU) | .96 | |
| Apoapsis (AU) | 1.29 | |
| Albedo | .37 | |
| Surface Temperature (K) | 202 | |
| Surface Gravity (m/s^2) | 8.79 | |
| Axial Tile (degrees) | 9.3 | |
| Inclination (degrees) | 1.3 | |
| Orbital Speed (Km/s) | 21.7 | |
| Satellites | Momiji, Plateau, Ivory | |
Indigo is the planet fifth closest to the star Atos. Aside from Micras, Indigo is the system's only other planet theoretically capable of sustaining life.
Mysteries of Indigo
Complex Orbital Interactions
The Indigo-Momiji system is by far the most complex of all the planetary relationships in the Atos System. For one, Indigo and Momiji loosely orbit one another, while both planets are tightly orbited by their own respective moons. It is believed that if Indigo and Momiji were any further apart, they would not orbit one another at all, while if they were any closer, one or both of their moons would inevitably be destroyed; either flung from orbit or destroyed in a collision. The complex interaction between the four bodies which constitute the Indigo-Momiji system is of the utmost interest to scientists researching the Atos System.
Possibility of Life
It is the official view of most reputable scientists that while life is theoretically possible on both Indigo and Momiji, it is very unlikely that any such life currently exists. As evidence of the unlikelihood of life, scientists point to the unforgiving, highly variable climates of the two planets, and the dense, icy atmosphere which covers most of the surface of Indigo in particular.
It is widely believed that life, if it exists, is more likely to occur on Momiji than on Indigo, due to the presence of significant quantities of liquid water on the surface of Momiji. Nevertheless, scientists largely reject the idea that this water is sufficient to sustain life on Momiji.
Despite the overwhelming rejection by scientists of the possibility of life in the Indigo-Momiji system, some religious communities retain beliefs in the existence of intelligent life on the two planets. The Pallisican Religion, for example, places a strict emphasis on the belief that the Aead people actually originate on the planet Indigo. While scientists mostly reject this claim by followers of the Pallisican Religion, they have not as of yet been able to verify the true origin of the Aead.
Extraatosian Intrusions
The Community of Elijah on Indigo was established in late 1722 as a safe haven for the Theogiorickan refugees from Zeta Yll Exuun, belonging to the religious society Community of Elijah and who were denied entry to Theogiorick and Micras by Raspur Pact forces. As such, the community established itself on Indigo, which was a suitable planet for the species due to its cold climate, similar to the community's home planet of Zeta Yll Exuun.
Since then it has been remotely monitored by the deep system elements of the Natopian Spacefleet in anticipation of the day when hostilities resume.
North Polar Regions
The North Polar region of Indigo is characterized by its cold and shadowed terrain, which is mostly in darkness due to the planet's axial tilt. The terrain is rugged and icy, with thick layers of frost covering the rocky surface. Temperatures here are extremely low, resulting in minimal atmospheric activity. The permanent darkness makes this region one of the most hostile environments on Indigo, with very little direct sunlight reaching the surface. This area is likely to have deep ice crevasses and steep, icy cliffs formed by the planet's slow geological activity.
Equatorial Regions
The Equatorial region of Indigo presents a more temperate climate, featuring a variety of landscapes. This region experiences moderate - though still very cold - temperatures and receives the most sunlight, making it the warmest part of the planet. The equator is characterized by a mix of cloudy and clear skies, with the possibility of liquid water bodies and green vegetation patches. The terrain includes a combination of frozen rocky plains, rolling hills, and possible scattered forests. The equatorial zone is the most likely area to support life, given its favorable climate and access to sunlight and water.
Southern Polar Regions
The South Polar region of Indigo, much like the North Polar region, is dominated by ice and cold temperatures. However, this area receives slightly more sunlight, leading to periodic melting and refreezing of the ice. The landscape is marked by vast ice sheets, glacial movements, and occasional liquid water lakes formed during warmer periods. The presence of more sunlight creates a unique environment where the interplay of ice and liquid water leads to interesting geological formations, such as ice caves and melt-water channels. The South Pole is less hostile than the North Pole but still poses significant challenges for exploration.
Ongoing Research
Research by Passio-Corum
Research Probes
IASS-00IM1
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| Orbital characteristics | ||
| Mass (Kg) | 478 | |
| Radius (Km) | 1.5(m) | |
| Solar Day (h) | N/A | |
| Orbital Period (days) | 1.82 | |
| Semi-Major Axis (Km) | 57,299 | |
| Periapsis (AU) | .000342 | |
| Apoapsis (AU) | .000424 | |
| Albedo | N/A | |
| Surface Temperature (K) | 196 | |
| Surface Gravity (m/s^2) | .00000000142 | |
| Axial Tilt (degrees) | 4.82 | |
| Inclination (degrees) | 4.82 | |
| Orbital Speed (Km/s) | 27 | |
The third of the research probes to be launched as part of the Inner Atos System Survey, the IASS-00IM1 was deployed on 36/1/35 PSSC on a mission to gather geographic and atmospheric data relating to the Indigarian and Momijian surface, and to investigate the possibility of life or the potential for settlement on either or both of the planets. Foremost among the missions of the IASS-00IM1 is to gather enough data to allow researchers to improve existing maps of the planets.
IASS-00IM1 is expected to arrive in orbit around Indigo in early 40 PSSC. The probe will orbit Indigo at a distance of around 58,554 kilometers, slightly less than halfway in between Indigo and Momiji. The probe will continue, following its arrival at the planet, to collect data for an indefinite period of time.
Mythology
In the religious cosmology of the Reformed Stripping Path, Indigo is venerated as both a planetary body and the divine embodiment of duality, reflection, and reconciliation. As one of the Twin Lady Divines—alongside her sister Momiji—Indigo represents the harmony that emerges from the tension between opposing forces. Her domain encompasses the liminal, the transitional, and the balanced, making her a guiding presence for those navigating moments of inner or cosmic dissonance.
According to canonical tradition, Indigo was born from the twilight margins of creation, a realm neither wholly of light nor darkness. Her mythic role centers on mediating the conflict between extremes—between day and night, strength and vulnerability, presence and absence. Myths such as the Hymn of Indigo portray her as a bringer of equilibrium, responding to imbalance with composed resolve and often through acts of selfless intervention.
Worship of Indigo is especially prominent within the Celestial Harmony Sect of Symphonara, whose rituals emphasize meditation, reconciliation, and spiritual attunement to twilight and transitional states. Indigo is invoked during periods of change—seasonal, emotional, or communal—as a divine archetype of graceful transformation. Her festivals, such as Tikkun Tzel and Nyarion, celebrate her capacity to unify opposites and to foster healing through introspection.
Through her sacred association with the planet Indigo, she is understood not as a deity of extremes, but of convergence—a cosmic mediator whose serenity offers balance in a world defined by contrast.
