🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.39

Radius: 1.14

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 0.63 AU - 0.71 AU

Year: 360 Days

Day: 28.2 Hours

Environment

Temp: -139 °C

Axial Tilt: 35.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 905

Radius: 10

Gravity: 9.05 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 0.71 AU - 0.81 AU

Year: 435 Days

Day: 8.1 Hours

Environment

Temp: -138 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 71,494,079 km

• M1: 124,316 km (0.118 R)
• M2: 460,612 km (0.119 R)
• M3: 820,844 km (0.071 R)
• M4: 1,156,691 km (0.082 R)
• M5: 1,550,732 km (0.1 R)
• M6: 1,891,964 km (0.079 R)
• M7: 2,321,310 km (0.053 R)
• M8: 2,708,619 km (0.108 R)
• M9: 3,115,974 km (0.115 R)
• M10: 3,589,451 km (0.116 R)
• M11: 3,945,045 km (0.08 R)
• M12: 4,605,221 km (0.1 R)
• M13: 5,661,681 km (0.112 R)
• M14: 6,145,181 km (0.051 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 760.3

Radius: 13.6

Gravity: 4.11 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 0.63 AU - 0.89 AU

Year: 435 Days

Day: 10.4 Hours

Environment

Temp: -149 °C

Axial Tilt: 49.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 71,494,079 km

• M1: 169,195 km (0.104 R)
• M2: 709,094 km (0.113 R)
• M3: 1,262,456 km (0.087 R)
• M4: 2,095,118 km (0.118 R)
• M5: 2,528,354 km (0.111 R)
• M6: 3,121,808 km (0.119 R)
• M7: 3,592,742 km (0.065 R)
• M8: 4,576,498 km (0.091 R)
• M9: 5,905,376 km (0.119 R)

Planet 4 - Ice Giant

Semi-Major Axis: 11.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 393.6

Radius: 7.9

Gravity: 6.31 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 11.01 AU - 11.05 AU

Year: 24031 Days

Day: 23.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 71,494,079 km

• M1: 98,286 km (0.099 R)
• M2: 379,829 km (0.079 R)
• M3: 713,283 km (0.078 R)
• M4: 1,682,378 km (0.105 R)
• M5: 2,287,501 km (0.09 R)
• M6: 2,904,443 km (0.095 R)
• M7: 3,773,606 km (0.087 R)
• M8: 4,531,918 km (0.072 R)
• M9: 5,312,669 km (0.097 R)
• M10: 5,934,548 km (0.093 R)
• M11: 6,560,914 km (0.071 R)
• M12: 7,749,918 km (0.104 R)
• M13: 9,022,696 km (0.03 R)
• M14: 10,607,536 km (0.119 R)
• M15: 11,031,048 km (0.046 R)
• M16: 12,975,371 km (0.091 R)
• M17: 13,742,210 km (0.106 R)
• M18: 14,028,391 km (0.071 R)
• M19: 14,318,611 km (0.069 R)
• M20: 14,612,870 km (0.032 R)
• M21: 15,213,355 km (0.104 R)
• M22: 16,224,188 km (0.11 R)
• M23: 16,786,676 km (0.082 R)
• M24: 20,161,305 km (0.091 R)
• M25: 20,438,211 km (0.112 R)
• M26: 23,046,300 km (0.062 R)
• M27: 23,552,390 km (0.097 R)
• M28: 25,759,706 km (0.116 R)
• M29: 27,193,153 km (0.069 R)
• M30: 32,187,478 km (0.119 R)
• M31: 41,514,456 km (0.118 R)
• M32: 44,254,491 km (0.08 R)
• M33: 52,842,905 km (0.12 R)
• M34: 54,433,878 km (0.077 R)
• M35: 55,512,179 km (0.043 R)
• M36: 57,525,916 km (0.109 R)
• M37: 61,504,771 km (0.093 R)
• M38: 71,066,618 km (0.055 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: 515 - 17,263 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit