🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.52 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.03 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.36

Radius: 0.66

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 0.87 AU - 1.19 AU

Year: 400 Days

Day: 14.5 Hours

Environment

Temp: 11 °C

Axial Tilt: 26.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.05 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.04

Radius: 1.56

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 0.94 AU - 1.16 AU

Year: 412 Days

Day: 46 Hours

Environment

Temp: -13 °C

Axial Tilt: 42.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.07 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.32

Radius: 0.63

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 0.86 AU - 1.28 AU

Year: 424 Days

Day: 45 Hours

Environment

Temp: -12 °C

Axial Tilt: 17.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 2.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.04

Radius: 1.56

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 2.1 AU - 3.02 AU

Year: 1568 Days

Day: 12.3 Hours

Environment

Temp: -94 °C

Axial Tilt: 58.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.86

Radius: 1.28

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 3.57 AU - 3.63 AU

Year: 2615 Days

Day: 14.1 Hours

Environment

Temp: -133 °C

Axial Tilt: 93.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 53,742,343 km

• M1: 55,202 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 621.2

Radius: 9.4

Gravity: 7.03 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 6.01 AU - 6.57 AU

Year: 6040 Days

Day: 5.9 Hours

Environment

Temp: -167 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 53,742,343 km

• M1: 116,836 km (0.117 R)
• M2: 488,138 km (0.092 R)
• M3: 803,939 km (0.099 R)
• M4: 1,240,466 km (0.075 R)
• M5: 1,557,763 km (0.1 R)
• M6: 2,706,973 km (0.096 R)
• M7: 4,524,887 km (0.053 R)
• M8: 5,494,131 km (0.11 R)
• M9: 5,794,973 km (0.087 R)
• M10: 6,234,790 km (0.094 R)
• M11: 7,252,505 km (0.098 R)
• M12: 7,652,230 km (0.046 R)
• M13: 10,052,678 km (0.058 R)
• M14: 11,496,596 km (0.067 R)
• M15: 14,447,564 km (0.066 R)
• M16: 14,790,891 km (0.095 R)
• M17: 16,404,603 km (0.116 R)
• M18: 17,803,493 km (0.07 R)
• M19: 20,333,043 km (0.081 R)
• M20: 21,423,612 km (0.11 R)
• M21: 24,684,397 km (0.116 R)
• M22: 27,380,599 km (0.117 R)
• M23: 29,711,184 km (0.072 R)
• M24: 31,019,418 km (0.075 R)

Planet 7 - Gas Giant

Semi-Major Axis: 10.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 639.2

Radius: 10.2

Gravity: 6.14 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 8.82 AU - 11.38 AU

Year: 12290 Days

Day: 13.6 Hours

Environment

Temp: -192 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 53,742,343 km

• M1: 127,158 km (0.088 R)
• M2: 682,316 km (0.086 R)
• M3: 1,102,237 km (0.1 R)
• M4: 2,607,491 km (0.098 R)
• M5: 4,213,723 km (0.11 R)
• M6: 4,540,146 km (0.091 R)
• M7: 5,482,912 km (0.068 R)
• M8: 6,205,768 km (0.047 R)
• M9: 7,535,843 km (0.071 R)
• M10: 8,245,236 km (0.088 R)
• M11: 8,901,971 km (0.106 R)
• M12: 9,342,237 km (0.086 R)
• M13: 11,477,747 km (0.081 R)
• M14: 12,476,911 km (0.03 R)
• M15: 17,435,482 km (0.115 R)
• M16: 19,397,608 km (0.032 R)
• M17: 21,242,449 km (0.092 R)
• M18: 23,293,136 km (0.083 R)
• M19: 28,938,063 km (0.099 R)
• M20: 29,258,202 km (0.117 R)
• M21: 30,783,502 km (0.105 R)
• M22: 32,246,719 km (0.091 R)
• M23: 34,587,476 km (0.077 R)
• M24: 36,539,878 km (0.085 R)
• M25: 40,663,244 km (0.099 R)
• M26: 49,060,323 km (0.086 R)
• M27: 52,149,967 km (0.069 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 158 - 18,367 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit