🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.84

Radius: 1.71

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.46 AU - 0.74 AU

Year: 166 Days

Day: 32.5 Hours

Environment

Temp: 179 °C

Axial Tilt: 6.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 82,866,938 km

• M1: 55,052 km (0.092 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.17 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.1

Radius: 1.35

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 1.03 AU - 1.31 AU

Year: 451 Days

Day: 24.8 Hours

Environment

Temp: 30 °C

Axial Tilt: 13.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Asteroid Belt

Center: 1.52 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Terrestrial

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.77

Radius: 1.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 1.76 AU - 1.96 AU

Year: 904 Days

Day: 46.1 Hours

Environment

Temp: -59 °C

Axial Tilt: 18.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 82,866,938 km

• M1: 59,390 km (0.105 R)
• M2: 601,084 km (0.068 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.22 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.93

Radius: 1.73

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 2.06 AU - 2.38 AU

Year: 1179 Days

Day: 33 Hours

Environment

Temp: -59 °C

Axial Tilt: 13.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.95 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.79

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 2.65 AU - 3.25 AU

Year: 1806 Days

Day: 31.6 Hours

Environment

Temp: -98 °C

Axial Tilt: 3.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.27 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2

Radius: 1.32

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 2.89 AU - 3.65 AU

Year: 2108 Days

Day: 41.5 Hours

Environment

Temp: -96 °C

Axial Tilt: 1.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 12.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 917.4

Radius: 14

Gravity: 4.68 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 12.21 AU - 12.99 AU

Year: 15942 Days

Day: 11.7 Hours

Environment

Temp: -191 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 82,866,938 km

• M1: 174,431 km (0.092 R)
• M2: 1,257,968 km (0.057 R)
• M3: 1,804,450 km (0.066 R)
• M4: 2,296,327 km (0.085 R)
• M5: 3,614,584 km (0.084 R)
• M6: 4,440,962 km (0.11 R)
• M7: 4,881,977 km (0.07 R)
• M8: 5,774,179 km (0.116 R)
• M9: 7,689,779 km (0.11 R)
• M10: 8,636,584 km (0.099 R)
• M11: 10,287,995 km (0.111 R)
• M12: 11,437,655 km (0.056 R)
• M13: 13,216,523 km (0.034 R)
• M14: 15,325,703 km (0.071 R)
• M15: 17,650,903 km (0.07 R)
• M16: 19,030,046 km (0.119 R)
• M17: 20,666,198 km (0.115 R)
• M18: 25,378,381 km (0.111 R)
• M19: 28,155,965 km (0.043 R)
• M20: 28,618,372 km (0.081 R)
• M21: 29,321,631 km (0.104 R)
• M22: 30,762,857 km (0.101 R)
• M23: 31,253,538 km (0.114 R)
• M24: 33,785,931 km (0.054 R)
• M25: 36,452,364 km (0.114 R)
• M26: 41,750,073 km (0.115 R)
• M27: 43,727,158 km (0.08 R)
• M28: 44,192,109 km (0.068 R)
• M29: 45,289,858 km (0.12 R)
• M30: 47,867,279 km (0.073 R)
• M31: 50,541,042 km (0.036 R)
• M32: 52,785,758 km (0.086 R)
• M33: 54,556,997 km (0.063 R)
• M34: 58,405,253 km (0.103 R)
• M35: 60,108,424 km (0.114 R)
• M36: 65,822,166 km (0.056 R)
• M37: 72,103,631 km (0.092 R)

Planet 8 - Ice Giant

Semi-Major Axis: 19.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 399.8

Radius: 7.6

Gravity: 6.92 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 16.46 AU - 21.74 AU

Year: 29754 Days

Day: 20.1 Hours

Environment

Temp: -202 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 82,866,938 km

• M1: 94,546 km (0.111 R)
• M2: 610,210 km (0.08 R)
• M3: 1,062,743 km (0.113 R)
• M4: 5,118,641 km (0.079 R)
• M5: 6,767,808 km (0.053 R)
• M6: 8,203,947 km (0.082 R)
• M7: 9,832,619 km (0.113 R)
• M8: 15,102,952 km (0.088 R)
• M9: 17,094,249 km (0.111 R)
• M10: 18,242,862 km (0.063 R)
• M11: 18,790,091 km (0.11 R)
• M12: 23,248,107 km (0.115 R)
• M13: 24,108,295 km (0.085 R)
• M14: 27,286,053 km (0.03 R)
• M15: 29,470,033 km (0.078 R)
• M16: 33,908,601 km (0.101 R)
• M17: 35,858,909 km (0.087 R)
• M18: 36,861,663 km (0.073 R)
• M19: 46,572,510 km (0.051 R)
• M20: 48,804,510 km (0.117 R)
• M21: 60,034,224 km (0.084 R)
• M22: 67,103,621 km (0.097 R)

Kuiper Belt

Range: 30.8 - 50.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 305 - 12,376 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit