🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.71

Radius: 1.49

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 0.65 AU - 0.67 AU

Year: 203 Days

Day: 30.8 Hours

Environment

Temp: 167 °C

Axial Tilt: 48.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 31,024,365 km

• M1: 101,727 km (0.103 R)

Asteroid Belt

Center: 2.68 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 4.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 225.2

Radius: 13.1

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 4.25 AU - 5.13 AU

Year: 3847 Days

Day: 11 Hours

Environment

Temp: -138 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 31,024,365 km

• M1: 164,258 km (0.091 R)
• M2: 826,379 km (0.108 R)
• M3: 1,255,874 km (0.075 R)
• M4: 1,742,666 km (0.086 R)
• M5: 2,628,584 km (0.116 R)
• M6: 3,373,282 km (0.084 R)
• M7: 5,101,587 km (0.081 R)
• M8: 5,808,437 km (0.111 R)
• M9: 6,851,433 km (0.086 R)
• M10: 8,201,105 km (0.087 R)
• M11: 8,840,486 km (0.09 R)
• M12: 9,581,893 km (0.114 R)
• M13: 10,884,442 km (0.082 R)
• M14: 11,657,264 km (0.099 R)
• M15: 12,591,054 km (0.057 R)
• M16: 13,617,894 km (0.093 R)
• M17: 15,741,137 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 6.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 644.6

Radius: 12.4

Gravity: 4.19 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 6.25 AU - 7.33 AU

Year: 6701 Days

Day: 14.2 Hours

Environment

Temp: -166 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 31,024,365 km

• M1: 154,235 km (0.078 R)
• M2: 1,150,557 km (0.089 R)
• M3: 1,997,880 km (0.074 R)
• M4: 3,527,817 km (0.084 R)
• M5: 4,471,929 km (0.117 R)
• M6: 10,734,395 km (0.104 R)
• M7: 12,229,476 km (0.062 R)
• M8: 14,963,677 km (0.075 R)
• M9: 17,413,342 km (0.109 R)
• M10: 19,188,021 km (0.109 R)
• M11: 19,614,076 km (0.116 R)
• M12: 23,576,475 km (0.099 R)
• M13: 26,090,018 km (0.106 R)
• M14: 27,232,796 km (0.098 R)
• M15: 28,500,489 km (0.116 R)
• M16: 29,429,791 km (0.083 R)

Planet 4 - Gas Giant

Semi-Major Axis: 7.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 314.4

Radius: 12.1

Gravity: 2.15 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 6.99 AU - 7.89 AU

Year: 7686 Days

Day: 7.4 Hours

Environment

Temp: -177 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 31,024,365 km

• M1: 150,495 km (0.1 R)
• M2: 686,953 km (0.069 R)
• M3: 1,249,890 km (0.119 R)
• M4: 1,926,073 km (0.053 R)
• M5: 2,405,384 km (0.115 R)
• M6: 2,852,831 km (0.114 R)
• M7: 4,799,100 km (0.109 R)
• M8: 6,785,909 km (0.087 R)
• M9: 7,331,941 km (0.104 R)
• M10: 8,707,793 km (0.059 R)
• M11: 10,030,537 km (0.065 R)
• M12: 12,160,961 km (0.089 R)
• M13: 14,135,952 km (0.116 R)
• M14: 15,546,510 km (0.046 R)
• M15: 16,316,191 km (0.112 R)
• M16: 21,769,183 km (0.102 R)
• M17: 23,569,893 km (0.041 R)
• M18: 31,024,354 km (0.105 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 260 - 17,936 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit