🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.91 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.76

Radius: 1.25

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 0.9 AU - 0.92 AU

Year: 311 Days

Day: 28.8 Hours

Environment

Temp: 165 °C

Axial Tilt: 152.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.24 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.03

Radius: 1.56

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 1.03 AU - 1.45 AU

Year: 495 Days

Day: 20.5 Hours

Environment

Temp: 16 °C

Axial Tilt: 9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.4 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.37

Radius: 1.13

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 1.2 AU - 1.6 AU

Year: 593 Days

Day: 34.4 Hours

Environment

Temp: -7 °C

Axial Tilt: 20.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.4

Radius: 1.14

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 1.41 AU - 1.83 AU

Year: 738 Days

Day: 32.5 Hours

Environment

Temp: -32 °C

Axial Tilt: 19.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 32,802,145 km

• M1: 149,299 km (0.062 R)
• M2: 399,127 km (0.071 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.17

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 2.11 AU - 2.57 AU

Year: 1282 Days

Day: 30 Hours

Environment

Temp: -66 °C

Axial Tilt: 16.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 32,802,145 km

• M1: 165,605 km (0.098 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.72 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.3

Radius: 1.61

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 2.41 AU - 3.03 AU

Year: 1607 Days

Day: 27.8 Hours

Environment

Temp: -94 °C

Axial Tilt: 11.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 32,802,145 km

• M1: 2,071,781 km (0.112 R)

Planet 7 - Terrestrial

Semi-Major Axis: 3.02 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.41

Radius: 1.15

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 2.65 AU - 3.39 AU

Year: 1880 Days

Day: 37.3 Hours

Environment

Temp: -91 °C

Axial Tilt: 2.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.65 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 6.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 694.3

Radius: 14.7

Gravity: 3.21 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 5.05 AU - 7.49 AU

Year: 5623 Days

Day: 7.5 Hours

Environment

Temp: -140 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (74)

Outer Limit: 32,802,145 km

• M1: 185,801 km (0.085 R)
• M2: 536,608 km (0.116 R)
• M3: 698,622 km (0.085 R)
• M4: 813,064 km (0.116 R)
• M5: 1,261,110 km (0.082 R)
• M6: 1,855,014 km (0.049 R)
• M7: 2,290,044 km (0.117 R)
• M8: 2,388,928 km (0.101 R)
• M9: 2,611,829 km (0.047 R)
• M10: 3,035,042 km (0.103 R)
• M11: 3,344,410 km (0.074 R)
• M12: 3,457,356 km (0.057 R)
• M13: 3,733,963 km (0.063 R)
• M14: 3,875,183 km (0.108 R)
• M15: 4,211,330 km (0.031 R)
• M16: 5,041,747 km (0.114 R)
• M17: 6,004,709 km (0.054 R)
• M18: 6,142,937 km (0.12 R)
• M19: 6,507,507 km (0.077 R)
• M20: 7,140,755 km (0.116 R)
• M21: 7,375,923 km (0.12 R)
• M22: 7,673,473 km (0.05 R)
• M23: 8,127,353 km (0.112 R)
• M24: 8,219,206 km (0.069 R)
• M25: 8,311,508 km (0.066 R)
• M26: 8,903,467 km (0.087 R)
• M27: 9,476,876 km (0.098 R)
• M28: 10,062,402 km (0.113 R)
• M29: 10,626,236 km (0.08 R)
• M30: 10,760,425 km (0.077 R)
• M31: 11,200,393 km (0.07 R)
• M32: 11,405,491 km (0.109 R)
• M33: 11,784,722 km (0.101 R)
• M34: 12,273,458 km (0.091 R)
• M35: 12,947,397 km (0.056 R)
• M36: 13,487,894 km (0.096 R)
• M37: 13,852,464 km (0.084 R)
• M38: 13,999,219 km (0.117 R)
• M39: 14,368,277 km (0.074 R)
• M40: 15,267,211 km (0.115 R)
• M41: 15,570,894 km (0.027 R)
• M42: 15,685,337 km (0.078 R)
• M43: 17,040,693 km (0.097 R)
• M44: 18,595,015 km (0.112 R)
• M45: 19,041,565 km (0.071 R)
• M46: 19,204,926 km (0.075 R)
• M47: 19,450,715 km (0.097 R)
• M48: 19,780,130 km (0.113 R)
• M49: 20,319,280 km (0.12 R)
• M50: 20,444,344 km (0.092 R)
• M51: 20,737,257 km (0.081 R)
• M52: 20,863,218 km (0.093 R)
• M53: 20,989,479 km (0.094 R)
• M54: 22,308,782 km (0.043 R)
• M55: 22,740,073 km (0.107 R)
• M56: 23,392,170 km (0.118 R)
• M57: 23,918,306 km (0.032 R)
• M58: 24,893,086 km (0.081 R)
• M59: 25,340,383 km (0.041 R)
• M60: 26,197,729 km (0.081 R)
• M61: 26,698,433 km (0.084 R)
• M62: 27,018,722 km (0.11 R)
• M63: 28,219,544 km (0.097 R)
• M64: 28,359,268 km (0.1 R)
• M65: 28,920,260 km (0.032 R)
• M66: 29,108,155 km (0.11 R)
• M67: 29,626,662 km (0.081 R)
• M68: 29,958,320 km (0.073 R)
• M69: 31,056,668 km (0.115 R)
• M70: 31,297,221 km (0.027 R)
• M71: 31,828,443 km (0.107 R)
• M72: 32,168,180 km (0.109 R)
• M73: 32,314,038 km (0.081 R)
• M74: 32,460,195 km (0.113 R)

Kuiper Belt

Range: 30.6 - 52.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 219 - 14,687 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit