🌌 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: 1.63

Radius: 1.22

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.52 AU - 0.8 AU

Year: 201 Days

Day: 47 Hours

Environment

Temp: 104 °C

Axial Tilt: 27.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 57,325,991 km

• M1: 30,368 km (0.055 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.98 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.84

Radius: 1.88

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 0.96 AU - 1 AU

Year: 364 Days

Day: 36.6 Hours

Environment

Temp: 15 °C

Axial Tilt: 13.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.11 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.04

Radius: 1.33

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 0.99 AU - 1.23 AU

Year: 438 Days

Day: 23.4 Hours

Environment

Temp: 3 °C

Axial Tilt: 1.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 57,325,991 km

• M1: 53,257 km (0.106 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.91 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.16

Radius: 1.36

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 2.83 AU - 2.99 AU

Year: 1860 Days

Day: 43.2 Hours

Environment

Temp: -103 °C

Axial Tilt: 40 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.08 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.56

Radius: 1.19

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 3.95 AU - 4.21 AU

Year: 3088 Days

Day: 13.9 Hours

Environment

Temp: -122 °C

Axial Tilt: 28.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 6.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 879.8

Radius: 11.2

Gravity: 7.01 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 5.2 AU - 7.84 AU

Year: 6239 Days

Day: 6.2 Hours

Environment

Temp: -160 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 57,325,991 km

• M1: 139,276 km (0.047 R)
• M2: 582,684 km (0.119 R)
• M3: 1,142,329 km (0.084 R)
• M4: 1,792,332 km (0.1 R)
• M5: 2,336,120 km (0.092 R)
• M6: 3,216,354 km (0.101 R)
• M7: 3,709,578 km (0.12 R)
• M8: 4,331,008 km (0.085 R)
• M9: 5,468,700 km (0.11 R)
• M10: 6,975,450 km (0.119 R)
• M11: 7,727,478 km (0.104 R)
• M12: 12,321,928 km (0.066 R)
• M13: 13,477,123 km (0.106 R)
• M14: 15,066,600 km (0.115 R)
• M15: 16,843,523 km (0.07 R)
• M16: 22,684,722 km (0.084 R)
• M17: 23,334,276 km (0.079 R)
• M18: 29,365,912 km (0.079 R)
• M19: 30,040,449 km (0.055 R)
• M20: 33,152,085 km (0.025 R)
• M21: 37,139,616 km (0.119 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 917.1

Radius: 11

Gravity: 7.58 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 7.35 AU - 12.03 AU

Year: 11304 Days

Day: 9.8 Hours

Environment

Temp: -174 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 57,325,991 km

• M1: 136,882 km (0.083 R)
• M2: 493,075 km (0.09 R)
• M3: 2,325,648 km (0.115 R)
• M4: 2,895,018 km (0.107 R)
• M5: 3,349,796 km (0.079 R)
• M6: 4,224,345 km (0.113 R)
• M7: 5,631,013 km (0.071 R)
• M8: 6,343,548 km (0.108 R)
• M9: 9,496,772 km (0.09 R)
• M10: 10,126,429 km (0.106 R)
• M11: 14,505,010 km (0.086 R)
• M12: 15,914,969 km (0.117 R)
• M13: 16,355,236 km (0.11 R)
• M14: 17,414,389 km (0.11 R)
• M15: 18,518,571 km (0.113 R)
• M16: 25,640,028 km (0.107 R)
• M17: 30,755,228 km (0.047 R)
• M18: 33,912,192 km (0.05 R)
• M19: 35,631,370 km (0.117 R)
• M20: 38,844,583 km (0.103 R)
• M21: 39,509,546 km (0.07 R)
• M22: 40,317,673 km (0.027 R)
• M23: 40,725,776 km (0.099 R)
• M24: 41,412,131 km (0.12 R)
• M25: 42,667,108 km (0.103 R)
• M26: 45,106,451 km (0.049 R)
• M27: 50,418,522 km (0.103 R)
• M28: 52,493,444 km (0.118 R)
• M29: 54,127,801 km (0.114 R)
• M30: 55,795,667 km (0.119 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 461 - 20,323 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit