🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.56

Radius: 1.66

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.44 AU - 0.7 AU

Year: 185 Days

Day: 32.5 Hours

Environment

Temp: 15 °C

Axial Tilt: 22.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.92

Radius: 1.3

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 0.84 AU - 1.1 AU

Year: 411 Days

Day: 16.9 Hours

Environment

Temp: -54 °C

Axial Tilt: 5.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.16

Radius: 1.58

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 1.29 AU - 1.91 AU

Year: 871 Days

Day: 38 Hours

Environment

Temp: -100 °C

Axial Tilt: 3.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 37,261,768 km

• M1: 324,927 km (0.116 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.55

Radius: 1.83

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 1.42 AU - 2.32 AU

Year: 1101 Days

Day: 42.2 Hours

Environment

Temp: -115 °C

Axial Tilt: 34.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 37,261,768 km

• M1: 432,039 km (0.115 R)

Asteroid Belt

Center: 2.51 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 3.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 358.8

Radius: 12.1

Gravity: 2.45 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 3.13 AU - 3.17 AU

Year: 2407 Days

Day: 8 Hours

Environment

Temp: -147 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 37,261,768 km

• M1: 151,094 km (0.083 R)
• M2: 538,104 km (0.106 R)
• M3: 1,041,949 km (0.11 R)
• M4: 1,638,396 km (0.116 R)
• M5: 2,891,128 km (0.077 R)
• M6: 3,677,415 km (0.107 R)
• M7: 4,722,057 km (0.112 R)
• M8: 5,743,361 km (0.032 R)
• M9: 6,319,014 km (0.096 R)
• M10: 6,827,796 km (0.087 R)
• M11: 8,984,399 km (0.067 R)
• M12: 9,828,281 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 725.1

Radius: 15

Gravity: 3.22 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 4.88 AU - 5.2 AU

Year: 4870 Days

Day: 15 Hours

Environment

Temp: -165 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 37,261,768 km

• M1: 188,045 km (0.113 R)
• M2: 1,286,392 km (0.1 R)
• M3: 1,758,822 km (0.082 R)
• M4: 3,853,791 km (0.111 R)
• M5: 4,363,770 km (0.079 R)
• M6: 4,892,598 km (0.099 R)
• M7: 6,808,797 km (0.118 R)
• M8: 10,539,170 km (0.109 R)
• M9: 11,264,271 km (0.104 R)
• M10: 12,814,703 km (0.065 R)
• M11: 14,558,416 km (0.036 R)
• M12: 22,536,620 km (0.109 R)
• M13: 24,360,218 km (0.11 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 439.2

Radius: 7.4

Gravity: 8.02 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 9.84 AU - 10.2 AU

Year: 13653 Days

Day: 17.5 Hours

Environment

Temp: -205 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 37,261,768 km

• M1: 92,152 km (0.032 R)
• M2: 562,189 km (0.071 R)
• M3: 866,471 km (0.088 R)
• M4: 1,159,533 km (0.106 R)
• M5: 1,462,918 km (0.113 R)
• M6: 1,867,430 km (0.084 R)
• M7: 2,581,461 km (0.069 R)
• M8: 2,812,739 km (0.114 R)
• M9: 3,269,162 km (0.104 R)
• M10: 4,688,098 km (0.094 R)
• M11: 5,164,418 km (0.057 R)
• M12: 5,602,739 km (0.038 R)
• M13: 9,347,623 km (0.05 R)
• M14: 11,391,878 km (0.099 R)
• M15: 11,845,309 km (0.091 R)
• M16: 12,909,548 km (0.101 R)
• M17: 16,198,757 km (0.116 R)
• M18: 17,285,136 km (0.063 R)
• M19: 18,496,430 km (0.073 R)
• M20: 19,602,108 km (0.04 R)
• M21: 20,253,308 km (0.085 R)
• M22: 21,598,791 km (0.053 R)
• M23: 22,293,374 km (0.096 R)
• M24: 23,910,676 km (0.12 R)
• M25: 25,508,531 km (0.046 R)
• M26: 29,759,056 km (0.1 R)
• M27: 36,984,184 km (0.069 R)
• M28: 41,462,995 km (0.061 R)
• M29: 48,912,969 km (0.089 R)
• M30: 49,959,107 km (0.1 R)
• M31: 50,563,482 km (0.101 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 139.8

Radius: 5.5

Gravity: 4.62 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 10.05 AU - 11.45 AU

Year: 15172 Days

Day: 18 Hours

Environment

Temp: -204 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 37,261,768 km

• M1: 68,815 km (0.12 R)
• M2: 602,131 km (0.107 R)
• M3: 947,703 km (0.032 R)
• M4: 1,732,343 km (0.045 R)
• M5: 3,856,484 km (0.028 R)
• M6: 4,717,569 km (0.114 R)
• M7: 6,741,179 km (0.051 R)
• M8: 7,029,155 km (0.111 R)
• M9: 18,198,132 km (0.108 R)
• M10: 19,254,592 km (0.073 R)
• M11: 19,543,167 km (0.045 R)
• M12: 21,335,050 km (0.079 R)
• M13: 21,956,031 km (0.107 R)
• M14: 26,732,990 km (0.107 R)
• M15: 29,409,894 km (0.097 R)
• M16: 30,275,617 km (0.043 R)
• M17: 31,356,611 km (0.073 R)
• M18: 34,647,615 km (0.112 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 203 - 19,214 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit