🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 892.5

Radius: 14.6

Gravity: 4.19 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 0.44 AU - 0.66 AU

Year: 287 Days

Day: 10.2 Hours

Environment

Temp: -135 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 20,770,099 km

• M1: 181,612 km (0.045 R)
• M2: 830,418 km (0.069 R)
• M3: 1,351,318 km (0.055 R)
• M4: 2,011,194 km (0.044 R)
• M5: 2,554,533 km (0.077 R)
• M6: 3,081,866 km (0.046 R)
• M7: 3,556,091 km (0.084 R)
• M8: 4,505,140 km (0.072 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 63.7

Radius: 10.4

Gravity: 0.59 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 0.47 AU - 0.71 AU

Year: 319 Days

Day: 9.8 Hours

Environment

Temp: -157 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 20,770,099 km

• M1: 129,402 km (0.097 R)
• M2: 503,546 km (0.082 R)
• M3: 1,180,477 km (0.099 R)
• M4: 1,828,984 km (0.079 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 659.6

Radius: 8.6

Gravity: 8.92 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 0.49 AU - 0.79 AU

Year: 360 Days

Day: 9 Hours

Environment

Temp: -157 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 20,770,099 km

• M1: 106,962 km (0.086 R)
• M2: 379,829 km (0.117 R)
• M3: 669,301 km (0.039 R)
• M4: 1,062,444 km (0.107 R)
• M5: 2,024,508 km (0.103 R)
• M6: 2,468,066 km (0.119 R)
• M7: 3,377,022 km (0.083 R)
• M8: 3,644,952 km (0.104 R)
• M9: 4,775,613 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 854

Radius: 8.9

Gravity: 10.78 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 0.53 AU - 0.77 AU

Year: 368 Days

Day: 11 Hours

Environment

Temp: -156 °C

Axial Tilt: 44.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 20,770,099 km

• M1: 110,702 km (0.05 R)
• M2: 387,458 km (0.116 R)
• M3: 741,706 km (0.099 R)
• M4: 1,209,050 km (0.063 R)
• M5: 1,840,802 km (0.065 R)
• M6: 2,588,791 km (0.052 R)
• M7: 2,914,167 km (0.097 R)
• M8: 3,324,663 km (0.028 R)
• M9: 3,979,752 km (0.035 R)
• M10: 4,601,182 km (0.055 R)
• M11: 5,512,233 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 599.3

Radius: 14.3

Gravity: 2.93 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 2.52 AU - 2.8 AU

Year: 3050 Days

Day: 5.7 Hours

Environment

Temp: -204 °C

Axial Tilt: 43.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 20,770,099 km

• M1: 177,872 km (0.12 R)
• M2: 846,275 km (0.084 R)
• M3: 1,298,809 km (0.108 R)
• M4: 2,398,652 km (0.036 R)
• M5: 2,861,508 km (0.092 R)
• M6: 3,872,191 km (0.044 R)
• M7: 4,385,611 km (0.115 R)
• M8: 4,874,946 km (0.107 R)
• M9: 5,832,971 km (0.1 R)
• M10: 6,288,346 km (0.045 R)
• M11: 6,913,217 km (0.098 R)
• M12: 7,831,897 km (0.03 R)
• M13: 9,146,115 km (0.048 R)
• M14: 11,202,637 km (0.1 R)
• M15: 11,909,786 km (0.109 R)
• M16: 13,459,320 km (0.108 R)
• M17: 14,597,162 km (0.04 R)
• M18: 15,390,629 km (0.106 R)
• M19: 17,944,863 km (0.089 R)
• M20: 19,797,333 km (0.098 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 387 - 10,618 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit