🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.79 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.74

Radius: 0.89

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 0.69 AU - 0.89 AU

Year: 212 Days

Day: 32.1 Hours

Environment

Temp: 265 °C

Axial Tilt: 3.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 47,798,446 km

• M1: 330,312 km (0.113 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.91 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.03

Radius: 1.33

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 0.85 AU - 0.97 AU

Year: 262 Days

Day: 36.6 Hours

Environment

Temp: 232 °C

Axial Tilt: 6.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.08 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.66

Radius: 1.22

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 0.98 AU - 1.18 AU

Year: 338 Days

Day: 46.2 Hours

Environment

Temp: 230 °C

Axial Tilt: 26.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 47,798,446 km

• M1: 414,237 km (0.086 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.56 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.09

Radius: 1.57

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 1.22 AU - 1.9 AU

Year: 587 Days

Day: 44.1 Hours

Environment

Temp: 157 °C

Axial Tilt: 46.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 5 - Terrestrial

Semi-Major Axis: 2.44 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.19

Radius: 0.51

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 2.33 AU - 2.55 AU

Year: 1148 Days

Day: 22.4 Hours

Environment

Temp: 11 °C

Axial Tilt: 20.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 47,798,446 km

• M1: 511,475 km (0.062 R)

Planet 6 - Terrestrial

Semi-Major Axis: 3.45 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.5

Radius: 1.65

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 3.22 AU - 3.68 AU

Year: 1930 Days

Day: 16.6 Hours

Environment

Temp: -59 °C

Axial Tilt: 23.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Ice Giant

Semi-Major Axis: 22.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 62.9

Radius: 5.7

Gravity: 1.94 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 22.37 AU - 23.29 AU

Year: 32862 Days

Day: 16.4 Hours

Environment

Temp: -182 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (73)

Outer Limit: 47,798,446 km

• M1: 158,574 km (0.063 R)
• M2: 344,075 km (0.107 R)
• M3: 557,252 km (0.106 R)
• M4: 620,532 km (0.049 R)
• M5: 720,463 km (0.115 R)
• M6: 1,012,179 km (0.073 R)
• M7: 1,130,661 km (0.099 R)
• M8: 1,316,760 km (0.1 R)
• M9: 1,381,088 km (0.107 R)
• M10: 1,535,173 km (0.1 R)
• M11: 1,648,569 km (0.11 R)
• M12: 2,438,296 km (0.057 R)
• M13: 2,843,556 km (0.115 R)
• M14: 3,475,458 km (0.054 R)
• M15: 3,655,125 km (0.082 R)
• M16: 4,149,097 km (0.063 R)
• M17: 4,339,834 km (0.092 R)
• M18: 4,500,802 km (0.043 R)
• M19: 5,508,044 km (0.108 R)
• M20: 5,717,631 km (0.102 R)
• M21: 7,104,403 km (0.067 R)
• M22: 8,070,656 km (0.112 R)
• M23: 9,868,972 km (0.062 R)
• M24: 11,339,369 km (0.054 R)
• M25: 11,964,389 km (0.095 R)
• M26: 12,509,075 km (0.088 R)
• M27: 12,646,555 km (0.049 R)
• M28: 13,716,778 km (0.094 R)
• M29: 14,767,404 km (0.108 R)
• M30: 14,864,194 km (0.076 R)
• M31: 15,744,877 km (0.12 R)
• M32: 16,541,785 km (0.042 R)
• M33: 17,710,144 km (0.111 R)
• M34: 18,122,735 km (0.05 R)
• M35: 18,226,406 km (0.117 R)
• M36: 19,010,000 km (0.101 R)
• M37: 19,538,529 km (0.04 R)
• M38: 19,591,636 km (0.115 R)
• M39: 21,535,661 km (0.08 R)
• M40: 22,252,683 km (0.117 R)
• M41: 22,308,184 km (0.037 R)
• M42: 22,419,186 km (0.083 R)
• M43: 22,530,487 km (0.113 R)
• M44: 25,603,676 km (0.106 R)
• M45: 25,953,136 km (0.101 R)
• M46: 26,245,600 km (0.1 R)
• M47: 26,362,885 km (0.087 R)
• M48: 26,597,903 km (0.077 R)
• M49: 29,108,155 km (0.113 R)
• M50: 30,823,145 km (0.037 R)
• M51: 33,519,946 km (0.049 R)
• M52: 35,316,317 km (0.092 R)
• M53: 35,705,272 km (0.119 R)
• M54: 36,226,022 km (0.045 R)
• M55: 36,618,417 km (0.105 R)
• M56: 36,683,941 km (0.083 R)
• M57: 36,814,989 km (0.078 R)
• M58: 37,077,832 km (0.12 R)
• M59: 37,209,478 km (0.1 R)
• M60: 37,936,075 km (0.109 R)
• M61: 38,068,769 km (0.028 R)
• M62: 38,734,180 km (0.073 R)
• M63: 39,336,311 km (0.108 R)
• M64: 39,403,481 km (0.078 R)
• M65: 40,009,053 km (0.047 R)
• M66: 40,821,369 km (0.108 R)
• M67: 43,083,140 km (0.062 R)
• M68: 43,845,939 km (0.072 R)
• M69: 44,683,388 km (0.111 R)
• M70: 45,596,384 km (0.116 R)
• M71: 46,161,415 km (0.109 R)
• M72: 46,799,749 km (0.053 R)
• M73: 47,369,567 km (0.074 R)

Kuiper Belt

Range: 36.3 - 65.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 245 - 13,092 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit