🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.76

Radius: 1.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 0.59 AU - 0.91 AU

Year: 249 Days

Day: 42.9 Hours

Environment

Temp: 138 °C

Axial Tilt: 31.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.94 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.1

Radius: 0.4

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 0.83 AU - 1.05 AU

Year: 349 Days

Day: 31.6 Hours

Environment

Temp: 25 °C

Axial Tilt: 32.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Gas Giant

Semi-Major Axis: 4.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 522.4

Radius: 9.5

Gravity: 5.79 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 3.75 AU - 5.75 AU

Year: 3964 Days

Day: 5.8 Hours

Environment

Temp: -138 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 74,648,650 km

• M1: 118,182 km (0.114 R)
• M2: 489,933 km (0.088 R)
• M3: 1,002,156 km (0.089 R)
• M4: 1,645,577 km (0.111 R)
• M5: 1,961,527 km (0.119 R)
• M6: 2,377,110 km (0.099 R)
• M7: 2,867,492 km (0.084 R)
• M8: 3,559,532 km (0.112 R)
• M9: 4,203,251 km (0.031 R)
• M10: 7,032,745 km (0.11 R)
• M11: 8,217,561 km (0.093 R)
• M12: 8,821,188 km (0.11 R)
• M13: 9,607,474 km (0.102 R)
• M14: 10,237,281 km (0.079 R)
• M15: 11,579,174 km (0.093 R)
• M16: 12,987,638 km (0.045 R)
• M17: 13,708,700 km (0.119 R)
• M18: 14,054,122 km (0.118 R)
• M19: 14,506,954 km (0.075 R)
• M20: 15,283,068 km (0.077 R)
• M21: 16,693,776 km (0.118 R)
• M22: 17,373,399 km (0.047 R)
• M23: 19,709,669 km (0.091 R)

Planet 4 - Ice Giant

Semi-Major Axis: 13.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 746.8

Radius: 4.6

Gravity: 35.29 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 12.61 AU - 14.03 AU

Year: 18613 Days

Day: 15.7 Hours

Environment

Temp: -191 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 74,648,650 km

• M1: 57,446 km (0.115 R)
• M2: 303,983 km (0.052 R)
• M3: 477,816 km (0.051 R)
• M4: 1,127,519 km (0.095 R)
• M5: 1,323,343 km (0.096 R)
• M6: 1,820,606 km (0.108 R)
• M7: 2,737,791 km (0.078 R)
• M8: 3,093,684 km (0.088 R)
• M9: 3,714,216 km (0.073 R)
• M10: 4,550,318 km (0.081 R)
• M11: 6,324,998 km (0.106 R)
• M12: 7,176,509 km (0.083 R)
• M13: 8,566,872 km (0.068 R)
• M14: 11,225,076 km (0.085 R)
• M15: 12,877,983 km (0.113 R)
• M16: 13,798,459 km (0.093 R)
• M17: 14,535,677 km (0.09 R)
• M18: 14,686,322 km (0.081 R)
• M19: 16,411,784 km (0.097 R)
• M20: 18,267,994 km (0.045 R)
• M21: 20,731,572 km (0.112 R)
• M22: 21,502,001 km (0.065 R)
• M23: 21,894,247 km (0.078 R)
• M24: 23,927,431 km (0.103 R)
• M25: 25,423,410 km (0.079 R)
• M26: 28,600,121 km (0.113 R)
• M27: 31,274,332 km (0.094 R)
• M28: 44,267,805 km (0.03 R)
• M29: 44,743,227 km (0.088 R)
• M30: 46,842,534 km (0.097 R)
• M31: 52,288,196 km (0.115 R)
• M32: 54,072,599 km (0.089 R)
• M33: 60,249,046 km (0.07 R)
• M34: 60,443,224 km (0.078 R)
• M35: 67,087,464 km (0.089 R)
• M36: 74,202,040 km (0.108 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 288 - 17,957 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit