🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.94

Radius: 1.54

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 0.46 AU - 0.58 AU

Year: 139 Days

Day: 36.1 Hours

Environment

Temp: 186 °C

Axial Tilt: 0.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.52

Radius: 0.77

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 0.45 AU - 0.61 AU

Year: 143 Days

Day: 13 Hours

Environment

Temp: 238 °C

Axial Tilt: 35.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.95

Radius: 1.31

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 0.6 AU - 0.88 AU

Year: 236 Days

Day: 29.9 Hours

Environment

Temp: 175 °C

Axial Tilt: 5.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 0.97 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.67

Radius: 0.85

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 0.92 AU - 1.02 AU

Year: 354 Days

Day: 41.9 Hours

Environment

Temp: 33 °C

Axial Tilt: 25.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 1.19 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.63

Radius: 1.22

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 1.18 AU - 1.2 AU

Year: 481 Days

Day: 34.7 Hours

Environment

Temp: -8 °C

Axial Tilt: 35 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 32,429,496 km

• M1: 28,872 km (0.095 R)

Planet 6 - Terrestrial

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.82

Radius: 1.71

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 1.36 AU - 1.72 AU

Year: 709 Days

Day: 42.9 Hours

Environment

Temp: -47 °C

Axial Tilt: 7.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.28 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 7.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 266.1

Radius: 13.5

Gravity: 1.46 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 6.93 AU - 7.11 AU

Year: 6898 Days

Day: 8.5 Hours

Environment

Temp: -163 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 32,429,496 km

• M1: 167,849 km (0.032 R)
• M2: 650,302 km (0.118 R)
• M3: 1,455,138 km (0.106 R)
• M4: 2,495,292 km (0.073 R)
• M5: 3,244,628 km (0.062 R)
• M6: 4,049,914 km (0.12 R)
• M7: 5,407,813 km (0.105 R)
• M8: 6,510,799 km (0.035 R)
• M9: 7,415,716 km (0.031 R)
• M10: 9,880,191 km (0.1 R)
• M11: 12,268,970 km (0.107 R)
• M12: 14,061,601 km (0.12 R)
• M13: 14,696,196 km (0.065 R)
• M14: 21,714,580 km (0.115 R)
• M15: 24,026,316 km (0.074 R)

Planet 8 - Ice Giant

Semi-Major Axis: 16.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 93

Radius: 3.8

Gravity: 6.44 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 12.36 AU - 20.42 AU

Year: 24608 Days

Day: 22.9 Hours

Environment

Temp: -189 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 32,429,496 km

• M1: 47,273 km (0.094 R)
• M2: 201,658 km (0.065 R)
• M3: 331,210 km (0.113 R)
• M4: 544,686 km (0.119 R)
• M5: 1,601,296 km (0.074 R)
• M6: 2,246,511 km (0.07 R)
• M7: 2,587,146 km (0.083 R)
• M8: 3,442,247 km (0.046 R)
• M9: 4,385,013 km (0.101 R)
• M10: 4,794,163 km (0.031 R)
• M11: 5,587,331 km (0.11 R)
• M12: 7,429,030 km (0.053 R)
• M13: 8,223,844 km (0.117 R)
• M14: 9,401,029 km (0.036 R)
• M15: 10,945,927 km (0.08 R)
• M16: 12,309,062 km (0.061 R)
• M17: 17,713,136 km (0.117 R)
• M18: 23,272,941 km (0.076 R)
• M19: 23,534,288 km (0.099 R)
• M20: 24,870,048 km (0.074 R)
• M21: 27,594,524 km (0.066 R)
• M22: 30,719,773 km (0.081 R)
• M23: 41,367,252 km (0.109 R)

Asteroid Belt

Center: 17.02 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Ice Giant

Semi-Major Axis: 17.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 28.1

Radius: 7.3

Gravity: 0.53 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 13.42 AU - 21.86 AU

Year: 27476 Days

Day: 16.8 Hours

Environment

Temp: -198 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 32,429,496 km

• M1: 92,900 km (0.111 R)
• M2: 425,756 km (0.076 R)
• M3: 706,252 km (0.081 R)
• M4: 2,038,720 km (0.08 R)
• M5: 3,077,079 km (0.101 R)
• M6: 3,780,189 km (0.113 R)
• M7: 4,664,162 km (0.075 R)
• M8: 7,613,036 km (0.055 R)
• M9: 15,496,245 km (0.037 R)
• M10: 22,506,551 km (0.098 R)
• M11: 24,945,445 km (0.047 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 164 - 14,029 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit