🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.94

Radius: 1.3

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 0.41 AU - 0.65 AU

Year: 135 Days

Day: 37.9 Hours

Environment

Temp: 288 °C

Axial Tilt: 23.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 39,615,418 km

• M1: 236,365 km (0.057 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.79 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.41

Radius: 0.7

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 0.63 AU - 0.95 AU

Year: 246 Days

Day: 23.6 Hours

Environment

Temp: 210 °C

Axial Tilt: 6.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.89 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.61

Radius: 1.67

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 0.76 AU - 1.02 AU

Year: 294 Days

Day: 28.6 Hours

Environment

Temp: 97 °C

Axial Tilt: 34.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.13 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.64

Radius: 1.22

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 0.85 AU - 1.41 AU

Year: 420 Days

Day: 33.1 Hours

Environment

Temp: 48 °C

Axial Tilt: 34.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 1.15 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.36

Radius: 1.62

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 1.1 AU - 1.2 AU

Year: 431 Days

Day: 28.9 Hours

Environment

Temp: 27 °C

Axial Tilt: 35.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 39,615,418 km

• M1: 84,074 km (0.042 R)

Planet 6 - Terrestrial

Semi-Major Axis: 1.38 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.09

Radius: 1.57

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 1.05 AU - 1.71 AU

Year: 567 Days

Day: 23.2 Hours

Environment

Temp: 1 °C

Axial Tilt: 7.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 7 - Terrestrial

Semi-Major Axis: 3.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.22

Radius: 1.38

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 3.06 AU - 4.1 AU

Year: 2370 Days

Day: 36 Hours

Environment

Temp: -100 °C

Axial Tilt: 45.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 39,615,418 km

• M1: 1,810,583 km (0.094 R)
• M2: 2,124,589 km (0.116 R)

Planet 8 - Gas Giant

Semi-Major Axis: 11.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 198.8

Radius: 13.2

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 10.27 AU - 13.07 AU

Year: 13947 Days

Day: 8.2 Hours

Environment

Temp: -171 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (58)

Outer Limit: 39,615,418 km

• M1: 170,691 km (0.076 R)
• M2: 349,012 km (0.104 R)
• M3: 479,760 km (0.036 R)
• M4: 579,093 km (0.105 R)
• M5: 958,324 km (0.108 R)
• M6: 1,090,568 km (0.045 R)
• M7: 1,283,101 km (0.107 R)
• M8: 1,583,942 km (0.094 R)
• M9: 1,804,150 km (0.072 R)
• M10: 1,886,728 km (0.11 R)
• M11: 2,387,582 km (0.086 R)
• M12: 3,151,878 km (0.093 R)
• M13: 3,328,852 km (0.079 R)
• M14: 3,879,671 km (0.098 R)
• M15: 4,124,563 km (0.062 R)
• M16: 4,318,591 km (0.055 R)
• M17: 4,430,939 km (0.116 R)
• M18: 6,421,040 km (0.116 R)
• M19: 7,006,416 km (0.09 R)
• M20: 7,847,904 km (0.046 R)
• M21: 8,019,942 km (0.079 R)
• M22: 8,614,743 km (0.104 R)
• M23: 8,792,316 km (0.114 R)
• M24: 9,735,829 km (0.064 R)
• M25: 10,219,629 km (0.118 R)
• M26: 11,017,734 km (0.06 R)
• M27: 11,171,969 km (0.103 R)
• M28: 11,404,893 km (0.052 R)
• M29: 12,073,296 km (0.102 R)
• M30: 12,192,526 km (0.094 R)
• M31: 15,214,253 km (0.101 R)
• M32: 16,168,239 km (0.1 R)
• M33: 17,052,362 km (0.065 R)
• M34: 18,179,582 km (0.087 R)
• M35: 18,545,349 km (0.12 R)
• M36: 18,683,128 km (0.06 R)
• M37: 19,330,738 km (0.094 R)
• M38: 20,126,898 km (0.098 R)
• M39: 20,315,840 km (0.036 R)
• M40: 21,413,589 km (0.084 R)
• M41: 21,606,570 km (0.038 R)
• M42: 24,820,980 km (0.05 R)
• M43: 24,922,257 km (0.108 R)
• M44: 26,716,534 km (0.089 R)
• M45: 28,128,888 km (0.111 R)
• M46: 29,297,696 km (0.103 R)
• M47: 29,511,920 km (0.12 R)
• M48: 30,211,739 km (0.076 R)
• M49: 30,699,428 km (0.09 R)
• M50: 31,792,539 km (0.091 R)
• M51: 32,565,362 km (0.106 R)
• M52: 33,176,769 km (0.12 R)
• M53: 34,807,086 km (0.102 R)
• M54: 35,090,873 km (0.091 R)
• M55: 36,003,869 km (0.115 R)
• M56: 36,118,611 km (0.114 R)
• M57: 36,233,352 km (0.103 R)
• M58: 38,848,622 km (0.037 R)

Kuiper Belt

Range: 31.4 - 56.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 269 - 11,528 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit