🌌 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: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.62

Radius: 1.67

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.4 AU - 0.64 AU

Year: 136 Days

Day: 30.8 Hours

Environment

Temp: 189 °C

Axial Tilt: 23.5 °

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: 4.22

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 0.45 AU - 0.61 AU

Year: 140 Days

Day: 44 Hours

Environment

Temp: 256 °C

Axial Tilt: 27.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 15,223,374 km

• M1: 98,136 km (0.065 R)
• M2: 245,191 km (0.093 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.32 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.95

Radius: 1.31

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 1.3 AU - 1.34 AU

Year: 551 Days

Day: 34.4 Hours

Environment

Temp: -2 °C

Axial Tilt: 28 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.34 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.86

Radius: 1.88

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 1.24 AU - 1.44 AU

Year: 564 Days

Day: 28.6 Hours

Environment

Temp: -17 °C

Axial Tilt: 11.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.68

Radius: 1.23

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 1.24 AU - 1.78 AU

Year: 674 Days

Day: 39.5 Hours

Environment

Temp: -45 °C

Axial Tilt: 18 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2

Radius: 1.32

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 1.23 AU - 1.93 AU

Year: 722 Days

Day: 27.1 Hours

Environment

Temp: -44 °C

Axial Tilt: 45.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 15,223,374 km

• M1: 185,950 km (0.115 R)

Planet 7 - Terrestrial

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.15

Radius: 1.06

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 1.41 AU - 2.03 AU

Year: 820 Days

Day: 42.5 Hours

Environment

Temp: -50 °C

Axial Tilt: 13.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Terrestrial

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.53

Radius: 1.66

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 1.61 AU - 2.05 AU

Year: 900 Days

Day: 13 Hours

Environment

Temp: -57 °C

Axial Tilt: 35.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 9 - Terrestrial

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.78

Radius: 0.91

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 1.89 AU - 2.43 AU

Year: 1154 Days

Day: 38.8 Hours

Environment

Temp: -79 °C

Axial Tilt: 36.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 10 - Gas Giant

Semi-Major Axis: 5.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 129

Radius: 11.3

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 4.48 AU - 5.62 AU

Year: 4124 Days

Day: 6.4 Hours

Environment

Temp: -143 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (60)

Outer Limit: 15,223,374 km

• M1: 157,975 km (0.118 R)
• M2: 319,391 km (0.111 R)
• M3: 481,855 km (0.106 R)
• M4: 561,441 km (0.101 R)
• M5: 721,062 km (0.048 R)
• M6: 1,007,990 km (0.072 R)
• M7: 1,087,726 km (0.118 R)
• M8: 1,179,130 km (0.119 R)
• M9: 1,273,227 km (0.106 R)
• M10: 1,520,064 km (0.069 R)
• M11: 1,771,837 km (0.102 R)
• M12: 1,880,744 km (0.097 R)
• M13: 1,992,045 km (0.105 R)
• M14: 2,140,147 km (0.113 R)
• M15: 2,244,866 km (0.065 R)
• M16: 2,411,218 km (0.11 R)
• M17: 2,532,692 km (0.076 R)
• M18: 2,794,339 km (0.112 R)
• M19: 3,210,221 km (0.116 R)
• M20: 3,357,724 km (0.112 R)
• M21: 3,439,255 km (0.056 R)
• M22: 3,604,112 km (0.07 R)
• M23: 3,813,998 km (0.063 R)
• M24: 3,884,907 km (0.119 R)
• M25: 3,956,265 km (0.117 R)
• M26: 4,187,394 km (0.114 R)
• M27: 4,512,620 km (0.078 R)
• M28: 4,754,370 km (0.119 R)
• M29: 4,830,814 km (0.112 R)
• M30: 5,235,028 km (0.043 R)
• M31: 5,569,379 km (0.111 R)
• M32: 5,650,012 km (0.057 R)
• M33: 6,208,910 km (0.118 R)
• M34: 6,444,377 km (0.116 R)
• M35: 6,631,225 km (0.073 R)
• M36: 7,045,461 km (0.094 R)
• M37: 7,361,711 km (0.104 R)
• M38: 7,432,621 km (0.04 R)
• M39: 7,700,550 km (0.04 R)
• M40: 8,338,286 km (0.065 R)
• M41: 8,616,837 km (0.101 R)
• M42: 8,973,927 km (0.089 R)
• M43: 9,125,769 km (0.118 R)
• M44: 9,278,509 km (0.07 R)
• M45: 9,489,891 km (0.067 R)
• M46: 9,878,396 km (0.083 R)
• M47: 10,035,324 km (0.072 R)
• M48: 10,411,114 km (0.06 R)
• M49: 10,771,495 km (0.09 R)
• M50: 11,095,225 km (0.113 R)
• M51: 11,545,664 km (0.119 R)
• M52: 12,002,088 km (0.079 R)
• M53: 13,147,409 km (0.119 R)
• M54: 13,298,503 km (0.06 R)
• M55: 13,428,503 km (0.063 R)
• M56: 13,515,270 km (0.055 R)
• M57: 13,602,336 km (0.082 R)
• M58: 14,128,472 km (0.064 R)
• M59: 14,460,729 km (0.083 R)
• M60: 14,661,339 km (0.082 R)

Kuiper Belt

Range: 30.2 - 52.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 463 - 18,248 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit