🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.55

Radius: 1.45

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 0.5 AU - 0.52 AU

Year: 128 Days

Day: 33.1 Hours

Environment

Temp: 203 °C

Axial Tilt: 14.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.32

Radius: 1.4

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 0.54 AU - 0.54 AU

Year: 139 Days

Day: 37.8 Hours

Environment

Temp: 208 °C

Axial Tilt: 41.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 83,101,487 km

• M1: 57,745 km (0.071 R)
• M2: 393,293 km (0.12 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.68

Radius: 1.23

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.42 AU - 0.68 AU

Year: 143 Days

Day: 29.6 Hours

Environment

Temp: 249 °C

Axial Tilt: 41 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 83,101,487 km

• M1: 28,723 km (0.057 R)

Planet 4 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.22

Radius: 1.38

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 0.46 AU - 0.66 AU

Year: 147 Days

Day: 45.8 Hours

Environment

Temp: 214 °C

Axial Tilt: 11.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 83,101,487 km

• M1: 35,754 km (0.117 R)
• M2: 306,227 km (0.081 R)

Planet 5 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.49

Radius: 1.65

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 0.6 AU - 0.66 AU

Year: 176 Days

Day: 32.6 Hours

Environment

Temp: 214 °C

Axial Tilt: 4.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 83,101,487 km

• M1: 38,447 km (0.092 R)

Planet 6 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.7

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 0.59 AU - 0.75 AU

Year: 193 Days

Day: 31.1 Hours

Environment

Temp: 196 °C

Axial Tilt: 20.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 7 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.51

Radius: 0.76

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 0.68 AU - 0.8 AU

Year: 224 Days

Day: 25.8 Hours

Environment

Temp: 139 °C

Axial Tilt: 23.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 83,101,487 km

• M1: 298,298 km (0.104 R)

Planet 8 - Terrestrial

Semi-Major Axis: 2.84 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.05

Radius: 1.02

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 2.57 AU - 3.11 AU

Year: 1682 Days

Day: 35.6 Hours

Environment

Temp: -92 °C

Axial Tilt: 10.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 9 - Terrestrial

Semi-Major Axis: 3.32 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.67

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 2.96 AU - 3.68 AU

Year: 2126 Days

Day: 29 Hours

Environment

Temp: -102 °C

Axial Tilt: 13.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 9.61 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 10 - Ice Giant

Semi-Major Axis: 15.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 718.9

Radius: 4.3

Gravity: 38.88 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 12.72 AU - 19.08 AU

Year: 22283 Days

Day: 23.9 Hours

Environment

Temp: -185 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 83,101,487 km

• M1: 54,454 km (0.082 R)
• M2: 768,933 km (0.118 R)
• M3: 1,669,961 km (0.082 R)
• M4: 2,551,541 km (0.116 R)
• M5: 3,288,909 km (0.04 R)
• M6: 3,960,604 km (0.083 R)
• M7: 4,503,345 km (0.12 R)
• M8: 4,941,966 km (0.046 R)
• M9: 5,735,433 km (0.109 R)
• M10: 5,989,151 km (0.049 R)
• M11: 8,137,077 km (0.04 R)
• M12: 11,730,717 km (0.119 R)
• M13: 21,217,466 km (0.104 R)
• M14: 24,476,156 km (0.119 R)
• M15: 26,051,422 km (0.088 R)
• M16: 31,701,285 km (0.112 R)
• M17: 32,493,555 km (0.105 R)
• M18: 44,680,845 km (0.025 R)
• M19: 46,855,998 km (0.118 R)
• M20: 55,880,190 km (0.109 R)
• M21: 62,636,030 km (0.1 R)
• M22: 69,031,788 km (0.07 R)
• M23: 72,614,358 km (0.094 R)
• M24: 76,083,831 km (0.052 R)

Kuiper Belt

Range: 31.2 - 49.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 153 - 12,817 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit