🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.92

Radius: 1.54

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 0.52 AU - 0.68 AU

Year: 300 Days

Day: 30.8 Hours

Environment

Temp: -132 °C

Axial Tilt: 5.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 39,896,152 km

• M1: 186,399 km (0.079 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 272.7

Radius: 11.9

Gravity: 1.93 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 0.87 AU - 0.87 AU

Year: 524 Days

Day: 11.4 Hours

Environment

Temp: -154 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 39,896,152 km

• M1: 147,952 km (0.103 R)
• M2: 671,096 km (0.091 R)
• M3: 1,235,080 km (0.063 R)
• M4: 1,687,314 km (0.096 R)
• M5: 2,096,614 km (0.114 R)
• M6: 2,509,355 km (0.089 R)
• M7: 3,047,907 km (0.119 R)
• M8: 4,345,669 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 873.8

Radius: 10.4

Gravity: 8.08 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 4.48 AU - 6.44 AU

Year: 8238 Days

Day: 13.3 Hours

Environment

Temp: -216 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 39,896,152 km

• M1: 130,749 km (0.097 R)
• M2: 557,252 km (0.051 R)
• M3: 1,566,738 km (0.093 R)
• M4: 2,728,815 km (0.096 R)
• M5: 4,116,485 km (0.104 R)
• M6: 4,477,015 km (0.091 R)
• M7: 5,135,695 km (0.084 R)
• M8: 6,534,435 km (0.096 R)
• M9: 6,949,569 km (0.103 R)
• M10: 7,503,380 km (0.045 R)
• M11: 8,389,000 km (0.106 R)
• M12: 9,580,397 km (0.053 R)
• M13: 11,903,503 km (0.072 R)
• M14: 12,581,480 km (0.107 R)
• M15: 14,263,708 km (0.04 R)
• M16: 15,093,677 km (0.034 R)
• M17: 17,131,649 km (0.104 R)
• M18: 18,588,283 km (0.059 R)
• M19: 20,443,147 km (0.12 R)
• M20: 22,673,951 km (0.097 R)
• M21: 26,936,144 km (0.103 R)
• M22: 27,613,523 km (0.098 R)
• M23: 30,541,452 km (0.068 R)
• M24: 31,918,800 km (0.073 R)
• M25: 39,308,337 km (0.119 R)
• M26: 42,610,410 km (0.094 R)
• M27: 43,265,948 km (0.03 R)
• M28: 43,662,532 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 480.6

Radius: 11.9

Gravity: 3.39 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 4.51 AU - 7.13 AU

Year: 9066 Days

Day: 11.7 Hours

Environment

Temp: -221 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 39,896,152 km

• M1: 148,700 km (0.1 R)
• M2: 992,731 km (0.097 R)
• M3: 2,112,771 km (0.107 R)
• M4: 2,691,864 km (0.097 R)
• M5: 3,199,300 km (0.108 R)
• M6: 3,721,995 km (0.06 R)
• M7: 4,795,809 km (0.067 R)
• M8: 5,834,167 km (0.032 R)
• M9: 6,303,157 km (0.065 R)
• M10: 6,761,076 km (0.058 R)
• M11: 7,470,469 km (0.071 R)
• M12: 8,436,572 km (0.117 R)
• M13: 12,156,323 km (0.054 R)
• M14: 13,148,905 km (0.118 R)
• M15: 26,684,969 km (0.094 R)
• M16: 29,027,971 km (0.085 R)
• M17: 31,301,709 km (0.119 R)
• M18: 32,119,710 km (0.079 R)
• M19: 34,442,815 km (0.087 R)
• M20: 39,421,133 km (0.095 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 389 - 15,837 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit