🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.63

Radius: 1.47

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 0.73 AU - 0.75 AU

Year: 234 Days

Day: 12.7 Hours

Environment

Temp: 147 °C

Axial Tilt: 43.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.8 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.19

Radius: 1.37

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 0.73 AU - 0.87 AU

Year: 263 Days

Day: 14 Hours

Environment

Temp: 183 °C

Axial Tilt: 168.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 87,631,530 km

• M1: 33,211 km (0.097 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.89 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.21

Radius: 1.59

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 0.83 AU - 0.95 AU

Year: 308 Days

Day: 29.6 Hours

Environment

Temp: 153 °C

Axial Tilt: 35.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.02 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.3

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 0.9 AU - 1.14 AU

Year: 378 Days

Day: 23.7 Hours

Environment

Temp: 17 °C

Axial Tilt: 2.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 1.26 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.73

Radius: 1.49

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 0.95 AU - 1.57 AU

Year: 519 Days

Day: 30.2 Hours

Environment

Temp: -0 °C

Axial Tilt: 46.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 87,631,530 km

• M1: 195,375 km (0.093 R)

Planet 6 - Terrestrial

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.57

Radius: 1.84

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 1.41 AU - 1.55 AU

Year: 661 Days

Day: 12.8 Hours

Environment

Temp: -26 °C

Axial Tilt: 12.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 3.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.51

Radius: 1.18

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 3.32 AU - 4.02 AU

Year: 2581 Days

Day: 19 Hours

Environment

Temp: -120 °C

Axial Tilt: 2.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 87,631,530 km

• M1: 328,966 km (0.083 R)

Planet 8 - Ice Giant

Semi-Major Axis: 19.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 421.5

Radius: 3

Gravity: 46.83 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 15.32 AU - 23.6 AU

Year: 31513 Days

Day: 23.5 Hours

Environment

Temp: -202 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (95)

Outer Limit: 87,631,530 km

• M1: 59,540 km (0.107 R)
• M2: 248,781 km (0.054 R)
• M3: 285,134 km (0.1 R)
• M4: 303,833 km (0.102 R)
• M5: 404,513 km (0.117 R)
• M6: 515,365 km (0.047 R)
• M7: 791,223 km (0.108 R)
• M8: 818,300 km (0.098 R)
• M9: 901,477 km (0.095 R)
• M10: 1,292,675 km (0.09 R)
• M11: 1,357,002 km (0.069 R)
• M12: 1,488,948 km (0.102 R)
• M13: 1,522,458 km (0.092 R)
• M14: 3,103,109 km (0.038 R)
• M15: 3,815,942 km (0.113 R)
• M16: 4,143,113 km (0.117 R)
• M17: 4,479,110 km (0.09 R)
• M18: 5,176,984 km (0.09 R)
• M19: 5,382,681 km (0.092 R)
• M20: 5,695,939 km (0.09 R)
• M21: 6,449,912 km (0.096 R)
• M22: 7,063,862 km (0.115 R)
• M23: 7,406,591 km (0.091 R)
• M24: 7,579,975 km (0.105 R)
• M25: 8,286,824 km (0.045 R)
• M26: 10,920,944 km (0.062 R)
• M27: 10,986,617 km (0.053 R)
• M28: 11,250,358 km (0.071 R)
• M29: 11,851,592 km (0.09 R)
• M30: 12,054,297 km (0.118 R)
• M31: 12,190,132 km (0.118 R)
• M32: 12,394,782 km (0.051 R)
• M33: 12,531,814 km (0.08 R)
• M34: 12,669,444 km (0.113 R)
• M35: 12,876,637 km (0.074 R)
• M36: 13,294,613 km (0.116 R)
• M37: 14,646,978 km (0.112 R)
• M38: 15,967,927 km (0.109 R)
• M39: 16,341,623 km (0.107 R)
• M40: 16,567,216 km (0.104 R)
• M41: 18,643,186 km (0.093 R)
• M42: 23,539,823 km (0.046 R)
• M43: 24,564,120 km (0.097 R)
• M44: 26,303,195 km (0.113 R)
• M45: 26,567,535 km (0.072 R)
• M46: 27,365,639 km (0.106 R)
• M47: 28,713,067 km (0.12 R)
• M48: 28,894,380 km (0.045 R)
• M49: 30,728,300 km (0.101 R)
• M50: 31,006,552 km (0.112 R)
• M51: 31,472,250 km (0.114 R)
• M52: 32,316,282 km (0.05 R)
• M53: 32,788,413 km (0.078 R)
• M54: 32,977,953 km (0.075 R)
• M55: 34,314,610 km (0.117 R)
• M56: 35,474,293 km (0.103 R)
• M57: 36,744,977 km (0.11 R)
• M58: 37,040,433 km (0.084 R)
• M59: 37,237,752 km (0.111 R)
• M60: 38,629,013 km (0.083 R)
• M61: 39,431,605 km (0.101 R)
• M62: 40,239,583 km (0.045 R)
• M63: 41,871,995 km (0.081 R)
• M64: 42,489,834 km (0.078 R)
• M65: 42,903,323 km (0.04 R)
• M66: 43,526,099 km (0.12 R)
• M67: 45,201,296 km (0.109 R)
• M68: 45,517,695 km (0.071 R)
• M69: 46,897,436 km (0.074 R)
• M70: 47,004,100 km (0.05 R)
• M71: 48,075,669 km (0.072 R)
• M72: 50,351,801 km (0.065 R)
• M73: 50,789,225 km (0.099 R)
• M74: 51,447,905 km (0.115 R)
• M75: 53,218,096 km (0.071 R)
• M76: 54,334,395 km (0.093 R)
• M77: 58,531,812 km (0.064 R)
• M78: 58,646,704 km (0.081 R)
• M79: 58,876,785 km (0.12 R)
• M80: 59,684,015 km (0.045 R)
• M81: 61,776,889 km (0.062 R)
• M82: 63,539,003 km (0.083 R)
• M83: 64,011,732 km (0.108 R)
• M84: 64,367,027 km (0.117 R)
• M85: 65,198,642 km (0.083 R)
• M86: 65,556,181 km (0.076 R)
• M87: 67,353,300 km (0.115 R)
• M88: 68,439,380 km (0.099 R)
• M89: 68,802,753 km (0.086 R)
• M90: 71,118,379 km (0.04 R)
• M91: 71,241,049 km (0.099 R)
• M92: 75,700,861 km (0.082 R)
• M93: 76,955,538 km (0.1 R)
• M94: 77,459,384 km (0.079 R)
• M95: 82,686,333 km (0.1 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 474 - 16,051 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit