🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.11

Radius: 1.04

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 0.62 AU - 0.66 AU

Year: 189 Days

Day: 26.8 Hours

Environment

Temp: 208 °C

Axial Tilt: 35 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.06 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.62

Radius: 1.47

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.83 AU - 1.29 AU

Year: 403 Days

Day: 46.2 Hours

Environment

Temp: 16 °C

Axial Tilt: 42.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.58

Radius: 0.8

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 1.2 AU - 1.52 AU

Year: 585 Days

Day: 41.6 Hours

Environment

Temp: -36 °C

Axial Tilt: 38.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 68,681,354 km

• M1: 155,133 km (0.04 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.19 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.5

Radius: 1.83

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 2.77 AU - 3.61 AU

Year: 2102 Days

Day: 45.9 Hours

Environment

Temp: -114 °C

Axial Tilt: 48.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 68,681,354 km

• M1: 209,138 km (0.102 R)

Asteroid Belt

Center: 3.99 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 4.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 520.4

Radius: 13.7

Gravity: 2.77 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 4.06 AU - 5.52 AU

Year: 3868 Days

Day: 9.9 Hours

Environment

Temp: -139 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 68,681,354 km

• M1: 170,392 km (0.071 R)
• M2: 744,249 km (0.111 R)
• M3: 1,601,595 km (0.118 R)
• M4: 2,370,229 km (0.105 R)
• M5: 3,103,557 km (0.078 R)
• M6: 5,716,733 km (0.086 R)
• M7: 6,269,198 km (0.102 R)
• M8: 6,766,611 km (0.114 R)
• M9: 7,907,743 km (0.113 R)
• M10: 9,284,792 km (0.077 R)
• M11: 10,733,647 km (0.072 R)
• M12: 11,620,613 km (0.07 R)
• M13: 12,328,660 km (0.112 R)
• M14: 12,971,631 km (0.034 R)
• M15: 14,175,595 km (0.115 R)
• M16: 19,131,174 km (0.115 R)
• M17: 19,620,958 km (0.09 R)
• M18: 20,181,950 km (0.076 R)
• M19: 21,796,859 km (0.12 R)

Planet 6 - Ice Giant

Semi-Major Axis: 15.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 175.3

Radius: 5.5

Gravity: 5.8 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 11.75 AU - 19.09 AU

Year: 22341 Days

Day: 17.7 Hours

Environment

Temp: -202 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 68,681,354 km

• M1: 247,285 km (0.116 R)
• M2: 502,948 km (0.094 R)
• M3: 1,023,997 km (0.069 R)
• M4: 2,895,916 km (0.1 R)
• M5: 3,493,260 km (0.071 R)
• M6: 4,112,146 km (0.115 R)
• M7: 4,373,195 km (0.054 R)
• M8: 4,928,651 km (0.09 R)
• M9: 5,156,938 km (0.104 R)
• M10: 7,371,435 km (0.119 R)
• M11: 8,021,887 km (0.107 R)
• M12: 10,681,438 km (0.106 R)
• M13: 13,304,636 km (0.094 R)
• M14: 16,184,545 km (0.095 R)
• M15: 16,689,587 km (0.094 R)
• M16: 19,213,303 km (0.104 R)
• M17: 28,916,072 km (0.07 R)
• M18: 29,659,274 km (0.075 R)
• M19: 32,304,463 km (0.107 R)
• M20: 36,314,883 km (0.033 R)
• M21: 40,644,844 km (0.1 R)
• M22: 45,164,644 km (0.075 R)
• M23: 47,325,436 km (0.077 R)
• M24: 48,060,710 km (0.117 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 365.5

Radius: 6.8

Gravity: 7.9 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 13.37 AU - 18.51 AU

Year: 23481 Days

Day: 15.7 Hours

Environment

Temp: -202 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 68,681,354 km

• M1: 84,523 km (0.114 R)
• M2: 365,468 km (0.099 R)
• M3: 601,084 km (0.094 R)
• M4: 845,228 km (0.05 R)
• M5: 1,068,877 km (0.094 R)
• M6: 2,069,387 km (0.042 R)
• M7: 2,549,746 km (0.11 R)
• M8: 3,848,555 km (0.113 R)
• M9: 4,507,833 km (0.087 R)
• M10: 6,377,208 km (0.108 R)
• M11: 6,631,674 km (0.114 R)
• M12: 7,670,780 km (0.051 R)
• M13: 8,154,879 km (0.076 R)
• M14: 8,866,666 km (0.114 R)
• M15: 11,497,344 km (0.114 R)
• M16: 14,680,338 km (0.082 R)
• M17: 14,901,444 km (0.111 R)
• M18: 15,502,079 km (0.038 R)
• M19: 16,040,781 km (0.105 R)
• M20: 19,185,029 km (0.052 R)
• M21: 19,985,677 km (0.108 R)
• M22: 20,348,602 km (0.099 R)
• M23: 28,448,877 km (0.117 R)
• M24: 29,606,466 km (0.119 R)
• M25: 31,401,191 km (0.078 R)
• M26: 31,891,872 km (0.1 R)
• M27: 39,591,525 km (0.109 R)
• M28: 44,944,885 km (0.097 R)
• M29: 59,643,773 km (0.082 R)
• M30: 63,664,216 km (0.102 R)
• M31: 64,845,142 km (0.111 R)
• M32: 66,643,907 km (0.08 R)
• M33: 67,861,484 km (0.1 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 155 - 10,298 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit