🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.84

Radius: 0.93

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 0.51 AU - 0.65 AU

Year: 199 Days

Day: 18.4 Hours

Environment

Temp: 6 °C

Axial Tilt: 45.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.19

Radius: 1.07

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 0.81 AU - 0.91 AU

Year: 359 Days

Day: 29.4 Hours

Environment

Temp: -56 °C

Axial Tilt: 21.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 42,315,355 km

• M1: 60,886 km (0.095 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.86

Radius: 1.88

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 1.02 AU - 1.16 AU

Year: 512 Days

Day: 46.9 Hours

Environment

Temp: -83 °C

Axial Tilt: 10.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.99 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 8.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 465.1

Radius: 12.5

Gravity: 2.98 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 8.64 AU - 9.12 AU

Year: 11897 Days

Day: 9.4 Hours

Environment

Temp: -189 °C

Axial Tilt: 41.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 42,315,355 km

• M1: 156,928 km (0.069 R)
• M2: 1,062,893 km (0.091 R)
• M3: 2,300,516 km (0.098 R)
• M4: 2,952,164 km (0.113 R)
• M5: 4,310,064 km (0.117 R)
• M6: 4,834,854 km (0.102 R)
• M7: 6,191,257 km (0.12 R)
• M8: 7,745,430 km (0.071 R)
• M9: 10,909,425 km (0.059 R)
• M10: 11,944,193 km (0.026 R)
• M11: 12,514,610 km (0.092 R)
• M12: 13,586,927 km (0.096 R)
• M13: 15,242,976 km (0.065 R)
• M14: 19,493,500 km (0.057 R)
• M15: 21,595,500 km (0.107 R)
• M16: 25,303,881 km (0.072 R)
• M17: 35,217,134 km (0.072 R)
• M18: 36,509,809 km (0.111 R)
• M19: 37,712,127 km (0.118 R)
• M20: 40,705,281 km (0.063 R)
• M21: 43,719,080 km (0.064 R)

Planet 5 - Ice Giant

Semi-Major Axis: 12.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 151.8

Radius: 7.4

Gravity: 2.77 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 10.61 AU - 14.71 AU

Year: 20252 Days

Day: 20.4 Hours

Environment

Temp: -200 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 42,315,355 km

• M1: 92,003 km (0.088 R)
• M2: 539,899 km (0.107 R)
• M3: 1,120,189 km (0.118 R)
• M4: 1,865,485 km (0.069 R)
• M5: 2,535,684 km (0.105 R)
• M6: 3,080,071 km (0.079 R)
• M7: 4,371,250 km (0.082 R)
• M8: 6,348,036 km (0.081 R)
• M9: 7,388,788 km (0.109 R)
• M10: 8,449,737 km (0.105 R)
• M11: 9,040,050 km (0.11 R)
• M12: 10,455,694 km (0.12 R)
• M13: 10,818,320 km (0.111 R)
• M14: 11,678,956 km (0.097 R)
• M15: 11,956,909 km (0.096 R)
• M16: 13,414,291 km (0.116 R)
• M17: 13,657,986 km (0.113 R)
• M18: 18,945,822 km (0.047 R)
• M19: 24,355,281 km (0.117 R)
• M20: 28,349,395 km (0.106 R)
• M21: 32,869,644 km (0.059 R)
• M22: 36,293,341 km (0.05 R)
• M23: 36,529,706 km (0.072 R)

Planet 6 - Ice Giant

Semi-Major Axis: 14.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 911.8

Radius: 4.6

Gravity: 43.09 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 12.89 AU - 15.89 AU

Year: 24542 Days

Day: 22.2 Hours

Environment

Temp: -202 °C

Axial Tilt: 153.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 42,315,355 km

• M1: 60,288 km (0.115 R)
• M2: 239,955 km (0.092 R)
• M3: 421,268 km (0.103 R)
• M4: 597,943 km (0.119 R)
• M5: 1,078,152 km (0.069 R)
• M6: 1,923,529 km (0.059 R)
• M7: 2,620,057 km (0.092 R)
• M8: 3,169,530 km (0.095 R)
• M9: 4,643,219 km (0.107 R)
• M10: 6,617,013 km (0.09 R)
• M11: 8,449,288 km (0.097 R)
• M12: 9,389,510 km (0.105 R)
• M13: 11,685,987 km (0.083 R)
• M14: 12,113,987 km (0.065 R)
• M15: 12,552,309 km (0.109 R)
• M16: 14,170,210 km (0.073 R)
• M17: 14,904,286 km (0.102 R)
• M18: 20,355,333 km (0.059 R)
• M19: 21,606,271 km (0.12 R)
• M20: 23,129,327 km (0.074 R)
• M21: 29,675,281 km (0.1 R)
• M22: 36,292,443 km (0.068 R)
• M23: 40,667,583 km (0.068 R)
• M24: 45,033,148 km (0.108 R)
• M25: 46,436,675 km (0.11 R)
• M26: 51,769,091 km (0.086 R)
• M27: 53,698,455 km (0.115 R)
• M28: 59,773,176 km (0.105 R)
• M29: 60,193,695 km (0.088 R)
• M30: 65,172,612 km (0.087 R)
• M31: 68,333,764 km (0.077 R)
• M32: 77,176,943 km (0.049 R)
• M33: 77,675,553 km (0.076 R)
• M34: 82,260,279 km (0.1 R)
• M35: 91,127,693 km (0.119 R)
• M36: 94,219,282 km (0.103 R)

Asteroid Belt

Center: 15.1 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 15.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 59

Radius: 6.5

Gravity: 1.4 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 14.94 AU - 16.68 AU

Year: 28263 Days

Day: 17.2 Hours

Environment

Temp: -222 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 42,315,355 km

• M1: 80,783 km (0.099 R)
• M2: 635,941 km (0.105 R)
• M3: 3,853,043 km (0.094 R)
• M4: 7,223,184 km (0.081 R)
• M5: 13,302,243 km (0.095 R)
• M6: 14,691,857 km (0.1 R)
• M7: 19,816,482 km (0.069 R)
• M8: 26,386,072 km (0.061 R)
• M9: 27,988,415 km (0.113 R)
• M10: 42,315,403 km (0.078 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 313 - 13,214 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit