🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.84 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.84

Radius: 1.71

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 0.84 AU - 0.84 AU

Year: 278 Days

Day: 43.9 Hours

Environment

Temp: 108 °C

Axial Tilt: 18.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 82,048,272 km

• M1: 736,470 km (0.109 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.51

Radius: 1.18

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 1.11 AU - 1.79 AU

Year: 631 Days

Day: 40.1 Hours

Environment

Temp: -18 °C

Axial Tilt: 10.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.71

Radius: 0.87

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 1.97 AU - 1.99 AU

Year: 1008 Days

Day: 34 Hours

Environment

Temp: -56 °C

Axial Tilt: 31.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.89

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 2.36 AU - 2.84 AU

Year: 1516 Days

Day: 22.1 Hours

Environment

Temp: -90 °C

Axial Tilt: 27.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.45 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.15

Radius: 1.06

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 2.99 AU - 3.91 AU

Year: 2317 Days

Day: 46.4 Hours

Environment

Temp: -112 °C

Axial Tilt: 19.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 28.8

Radius: 13.4

Gravity: 0.16 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 4.78 AU - 5.62 AU

Year: 4288 Days

Day: 12.2 Hours

Environment

Temp: -131 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 82,048,272 km

• M1: 166,951 km (0.109 R)
• M2: 1,373,009 km (0.076 R)
• M3: 1,793,230 km (0.044 R)
• M4: 2,917,458 km (0.084 R)
• M5: 3,955,218 km (0.047 R)
• M6: 8,823,881 km (0.095 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 122.8

Radius: 9.2

Gravity: 1.45 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 6.31 AU - 7.11 AU

Year: 6286 Days

Day: 10.4 Hours

Environment

Temp: -161 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 82,048,272 km

• M1: 115,190 km (0.053 R)
• M2: 524,490 km (0.069 R)
• M3: 952,639 km (0.06 R)
• M4: 1,257,370 km (0.051 R)
• M5: 3,000,484 km (0.119 R)
• M6: 4,102,722 km (0.095 R)
• M7: 5,283,498 km (0.119 R)
• M8: 8,499,852 km (0.076 R)
• M9: 9,257,565 km (0.054 R)
• M10: 11,969,326 km (0.05 R)
• M11: 12,569,213 km (0.107 R)
• M12: 15,219,938 km (0.087 R)
• M13: 15,771,356 km (0.119 R)
• M14: 16,284,027 km (0.077 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 701.3

Radius: 7.8

Gravity: 11.53 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 13.23 AU - 17.83 AU

Year: 22133 Days

Day: 20.4 Hours

Environment

Temp: -181 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 82,048,272 km

• M1: 97,089 km (0.096 R)
• M2: 439,070 km (0.079 R)
• M3: 733,179 km (0.077 R)
• M4: 1,042,996 km (0.03 R)
• M5: 1,974,243 km (0.112 R)
• M6: 2,491,403 km (0.118 R)
• M7: 2,910,277 km (0.062 R)
• M8: 3,375,227 km (0.098 R)
• M9: 3,888,797 km (0.089 R)
• M10: 4,453,379 km (0.066 R)
• M11: 4,737,316 km (0.115 R)
• M12: 5,224,706 km (0.1 R)
• M13: 6,522,168 km (0.076 R)
• M14: 9,103,629 km (0.057 R)
• M15: 12,297,693 km (0.039 R)
• M16: 12,929,894 km (0.114 R)
• M17: 14,106,930 km (0.115 R)
• M18: 15,676,660 km (0.114 R)
• M19: 20,297,289 km (0.109 R)
• M20: 21,379,331 km (0.079 R)
• M21: 28,206,230 km (0.039 R)
• M22: 28,569,304 km (0.073 R)
• M23: 41,585,814 km (0.092 R)
• M24: 43,007,293 km (0.117 R)
• M25: 45,780,090 km (0.101 R)
• M26: 46,449,391 km (0.104 R)
• M27: 47,295,217 km (0.101 R)
• M28: 47,636,450 km (0.11 R)
• M29: 58,652,538 km (0.09 R)
• M30: 59,442,116 km (0.119 R)
• M31: 62,261,138 km (0.113 R)
• M32: 66,441,202 km (0.109 R)
• M33: 66,869,351 km (0.118 R)
• M34: 70,582,071 km (0.108 R)
• M35: 79,133,234 km (0.049 R)

Kuiper Belt

Range: 30.3 - 52.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 353 - 12,998 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit