🌌 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: 1.27

Radius: 1.1

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 0.44 AU - 0.6 AU

Year: 131 Days

Day: 38.1 Hours

Environment

Temp: 252 °C

Axial Tilt: 20.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.84 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.56

Radius: 1.46

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 0.76 AU - 0.92 AU

Year: 268 Days

Day: 31.6 Hours

Environment

Temp: 124 °C

Axial Tilt: 39.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 34,060,119 km

• M1: 155,582 km (0.113 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.1 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.44

Radius: 1.43

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 0.88 AU - 1.32 AU

Year: 402 Days

Day: 35.2 Hours

Environment

Temp: 120 °C

Axial Tilt: 47.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.27 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.53

Radius: 1.83

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 1.1 AU - 1.44 AU

Year: 498 Days

Day: 45 Hours

Environment

Temp: 33 °C

Axial Tilt: 22.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 3.08 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.02

Radius: 1.56

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 2.57 AU - 3.59 AU

Year: 1882 Days

Day: 25.1 Hours

Environment

Temp: -96 °C

Axial Tilt: 34.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.99 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.42

Radius: 1.15

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 3.93 AU - 4.05 AU

Year: 2776 Days

Day: 13.9 Hours

Environment

Temp: -114 °C

Axial Tilt: 4.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 4.39 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.93

Radius: 1.89

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 3.66 AU - 5.12 AU

Year: 3203 Days

Day: 21 Hours

Environment

Temp: -124 °C

Axial Tilt: 36.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 34,060,119 km

• M1: 2,480,781 km (0.04 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 966.9

Radius: 8.7

Gravity: 12.77 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 4.77 AU - 7.11 AU

Year: 5042 Days

Day: 8 Hours

Environment

Temp: -148 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (84)

Outer Limit: 34,060,119 km

• M1: 147,354 km (0.055 R)
• M2: 219,011 km (0.078 R)
• M3: 454,179 km (0.053 R)
• M4: 736,919 km (0.052 R)
• M5: 791,672 km (0.114 R)
• M6: 1,197,980 km (0.093 R)
• M7: 1,346,830 km (0.079 R)
• M8: 1,537,268 km (0.074 R)
• M9: 1,644,829 km (0.11 R)
• M10: 1,754,933 km (0.12 R)
• M11: 1,944,174 km (0.098 R)
• M12: 2,060,860 km (0.092 R)
• M13: 2,220,332 km (0.09 R)
• M14: 2,281,068 km (0.049 R)
• M15: 2,986,871 km (0.114 R)
• M16: 3,054,340 km (0.09 R)
• M17: 3,635,527 km (0.068 R)
• M18: 3,828,808 km (0.102 R)
• M19: 4,025,529 km (0.113 R)
• M20: 4,428,845 km (0.068 R)
• M21: 4,505,888 km (0.105 R)
• M22: 6,110,624 km (0.093 R)
• M23: 6,398,750 km (0.069 R)
• M24: 6,958,395 km (0.1 R)
• M25: 7,718,502 km (0.042 R)
• M26: 8,313,752 km (0.105 R)
• M27: 8,441,060 km (0.057 R)
• M28: 8,891,349 km (0.102 R)
• M29: 9,382,629 km (0.059 R)
• M30: 9,581,594 km (0.095 R)
• M31: 9,781,906 km (0.103 R)
• M32: 9,882,735 km (0.03 R)
• M33: 9,983,713 km (0.07 R)
• M34: 10,118,950 km (0.12 R)
• M35: 10,597,364 km (0.118 R)
• M36: 10,908,677 km (0.08 R)
• M37: 11,117,964 km (0.087 R)
• M38: 11,611,338 km (0.059 R)
• M39: 12,437,567 km (0.108 R)
• M40: 12,656,279 km (0.065 R)
• M41: 12,949,790 km (0.111 R)
• M42: 14,834,574 km (0.105 R)
• M43: 15,066,450 km (0.083 R)
• M44: 15,533,944 km (0.038 R)
• M45: 15,769,411 km (0.094 R)
• M46: 15,848,249 km (0.097 R)
• M47: 16,006,075 km (0.091 R)
• M48: 16,443,050 km (0.042 R)
• M49: 16,522,935 km (0.104 R)
• M50: 17,004,940 km (0.094 R)
• M51: 17,207,196 km (0.114 R)
• M52: 17,369,510 km (0.094 R)
• M53: 18,023,851 km (0.106 R)
• M54: 18,978,734 km (0.076 R)
• M55: 19,104,546 km (0.074 R)
• M56: 19,272,544 km (0.059 R)
• M57: 19,695,008 km (0.118 R)
• M58: 20,120,465 km (0.081 R)
• M59: 20,377,324 km (0.081 R)
• M60: 20,549,063 km (0.1 R)
• M61: 20,807,568 km (0.113 R)
• M62: 21,371,552 km (0.059 R)
• M63: 22,558,761 km (0.064 R)
• M64: 22,736,483 km (0.048 R)
• M65: 23,138,003 km (0.115 R)
• M66: 23,722,183 km (0.113 R)
• M67: 24,767,573 km (0.104 R)
• M68: 25,134,686 km (0.07 R)
• M69: 25,503,595 km (0.112 R)
• M70: 25,688,797 km (0.12 R)
• M71: 25,874,298 km (0.105 R)
• M72: 26,950,056 km (0.107 R)
• M73: 27,233,096 km (0.042 R)
• M74: 28,375,126 km (0.085 R)
• M75: 29,000,295 km (0.12 R)
• M76: 29,096,786 km (0.093 R)
• M77: 29,629,953 km (0.107 R)
• M78: 30,215,180 km (0.054 R)
• M79: 30,853,514 km (0.113 R)
• M80: 31,050,684 km (0.11 R)
• M81: 31,545,853 km (0.084 R)
• M82: 31,943,783 km (0.075 R)
• M83: 32,243,278 km (0.105 R)
• M84: 33,400,268 km (0.117 R)

Kuiper Belt

Range: 31.5 - 49.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 249 - 18,615 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit