🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.84 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.64

Radius: 1.68

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 0.8 AU - 0.88 AU

Year: 269 Days

Day: 44.2 Hours

Environment

Temp: 112 °C

Axial Tilt: 18 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.06 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.66

Radius: 1.22

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 0.83 AU - 1.29 AU

Year: 382 Days

Day: 12.2 Hours

Environment

Temp: 73 °C

Axial Tilt: 8.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 64,598,670 km

• M1: 127,607 km (0.057 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.11 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.96

Radius: 0.98

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 0.94 AU - 1.28 AU

Year: 409 Days

Day: 12.5 Hours

Environment

Temp: 23 °C

Axial Tilt: 64.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 64,598,670 km

• M1: 590,164 km (0.068 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.17 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.11

Radius: 1.04

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 1.03 AU - 1.31 AU

Year: 443 Days

Day: 38.4 Hours

Environment

Temp: 31 °C

Axial Tilt: 0.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 1.56 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.49

Radius: 1.65

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 1.53 AU - 1.59 AU

Year: 682 Days

Day: 36.9 Hours

Environment

Temp: 3 °C

Axial Tilt: 23.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Asteroid Belt

Center: 2.06 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Terrestrial

Semi-Major Axis: 2.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.7

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 1.93 AU - 3.19 AU

Year: 1433 Days

Day: 14.7 Hours

Environment

Temp: -76 °C

Axial Tilt: 18 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 8.14 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 13.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 506.9

Radius: 5.9

Gravity: 14.56 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 12.76 AU - 14.66 AU

Year: 17760 Days

Day: 20.3 Hours

Environment

Temp: -175 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 64,598,670 km

• M1: 73,453 km (0.105 R)
• M2: 275,110 km (0.077 R)
• M3: 522,845 km (0.105 R)
• M4: 713,432 km (0.117 R)
• M5: 995,873 km (0.06 R)
• M6: 1,228,647 km (0.081 R)
• M7: 2,293,934 km (0.113 R)
• M8: 2,482,427 km (0.089 R)
• M9: 2,987,320 km (0.054 R)
• M10: 3,264,226 km (0.114 R)
• M11: 3,530,809 km (0.049 R)
• M12: 5,337,054 km (0.051 R)
• M13: 6,583,204 km (0.094 R)
• M14: 6,922,791 km (0.104 R)
• M15: 7,499,491 km (0.061 R)
• M16: 8,697,620 km (0.039 R)
• M17: 10,241,321 km (0.105 R)
• M18: 12,787,925 km (0.104 R)
• M19: 13,249,734 km (0.112 R)
• M20: 13,791,129 km (0.099 R)
• M21: 14,136,999 km (0.075 R)
• M22: 17,115,044 km (0.085 R)
• M23: 19,605,250 km (0.066 R)
• M24: 22,612,167 km (0.09 R)
• M25: 23,580,813 km (0.032 R)
• M26: 24,175,016 km (0.064 R)
• M27: 26,973,244 km (0.11 R)
• M28: 29,293,507 km (0.041 R)
• M29: 37,179,858 km (0.095 R)
• M30: 44,243,869 km (0.103 R)
• M31: 45,603,714 km (0.112 R)
• M32: 62,257,398 km (0.06 R)

Planet 8 - Ice Giant

Semi-Major Axis: 16.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 317.5

Radius: 4

Gravity: 19.84 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 12.84 AU - 19.72 AU

Year: 22980 Days

Day: 20.6 Hours

Environment

Temp: -186 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 64,598,670 km

• M1: 49,816 km (0.042 R)
• M2: 234,569 km (0.05 R)
• M3: 426,204 km (0.12 R)
• M4: 1,250,937 km (0.107 R)
• M5: 2,125,487 km (0.044 R)
• M6: 2,348,387 km (0.099 R)
• M7: 2,817,227 km (0.108 R)
• M8: 3,563,720 km (0.113 R)
• M9: 4,274,460 km (0.062 R)
• M10: 4,401,618 km (0.072 R)
• M11: 6,967,521 km (0.118 R)
• M12: 7,551,252 km (0.119 R)
• M13: 7,878,721 km (0.094 R)
• M14: 8,462,004 km (0.077 R)
• M15: 10,270,492 km (0.112 R)
• M16: 12,321,030 km (0.103 R)
• M17: 13,105,521 km (0.069 R)
• M18: 14,557,518 km (0.09 R)
• M19: 15,808,755 km (0.115 R)
• M20: 16,655,629 km (0.118 R)
• M21: 19,813,490 km (0.109 R)
• M22: 20,167,439 km (0.094 R)
• M23: 20,525,576 km (0.113 R)
• M24: 23,743,127 km (0.034 R)
• M25: 28,834,990 km (0.12 R)
• M26: 29,403,761 km (0.117 R)
• M27: 30,799,509 km (0.088 R)
• M28: 31,633,816 km (0.057 R)
• M29: 34,226,796 km (0.111 R)
• M30: 34,353,655 km (0.111 R)
• M31: 35,900,946 km (0.094 R)
• M32: 40,678,354 km (0.09 R)
• M33: 41,249,818 km (0.102 R)
• M34: 46,481,255 km (0.045 R)
• M35: 48,212,402 km (0.102 R)
• M36: 50,971,734 km (0.096 R)
• M37: 62,113,784 km (0.084 R)
• M38: 64,598,605 km (0.099 R)

Kuiper Belt

Range: 31.4 - 47.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 173 - 17,993 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit