🌌 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: 3.97

Radius: 1.74

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 0.52 AU - 0.54 AU

Year: 147 Days

Day: 15.4 Hours

Environment

Temp: 207 °C

Axial Tilt: 111.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.94 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.65

Radius: 1.68

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 0.8 AU - 1.08 AU

Year: 347 Days

Day: 22.2 Hours

Environment

Temp: 12 °C

Axial Tilt: 2.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 61,437,643 km

• M1: 278,402 km (0.102 R)
• M2: 802,892 km (0.069 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.13 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.48

Radius: 1.65

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 1.08 AU - 1.18 AU

Year: 457 Days

Day: 28.3 Hours

Environment

Temp: 5 °C

Axial Tilt: 0.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.69

Radius: 0.86

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 1.55 AU - 1.55 AU

Year: 735 Days

Day: 44.1 Hours

Environment

Temp: -64 °C

Axial Tilt: 5.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.68 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.49

Radius: 0.75

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 2.79 AU - 4.57 AU

Year: 2688 Days

Day: 23.5 Hours

Environment

Temp: -118 °C

Axial Tilt: 80.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 8.81 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 13.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 368

Radius: 3.9

Gravity: 24.19 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 12.19 AU - 15.67 AU

Year: 19798 Days

Day: 18.1 Hours

Environment

Temp: -194 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (96)

Outer Limit: 61,437,643 km

• M1: 77,043 km (0.103 R)
• M2: 235,317 km (0.089 R)
• M3: 336,146 km (0.087 R)
• M4: 576,849 km (0.097 R)
• M5: 797,506 km (0.117 R)
• M6: 1,042,398 km (0.058 R)
• M7: 1,209,948 km (0.092 R)
• M8: 1,259,315 km (0.088 R)
• M9: 1,789,639 km (0.101 R)
• M10: 2,018,973 km (0.064 R)
• M11: 2,288,099 km (0.062 R)
• M12: 2,442,634 km (0.058 R)
• M13: 2,859,862 km (0.098 R)
• M14: 2,892,774 km (0.12 R)
• M15: 2,992,556 km (0.07 R)
• M16: 3,686,391 km (0.072 R)
• M17: 3,867,404 km (0.108 R)
• M18: 4,014,309 km (0.096 R)
• M19: 4,814,957 km (0.067 R)
• M20: 5,052,668 km (0.085 R)
• M21: 5,213,187 km (0.104 R)
• M22: 5,294,119 km (0.105 R)
• M23: 6,556,725 km (0.071 R)
• M24: 6,600,408 km (0.083 R)
• M25: 6,644,090 km (0.12 R)
• M26: 6,997,440 km (0.108 R)
• M27: 7,630,239 km (0.101 R)
• M28: 7,906,995 km (0.11 R)
• M29: 8,140,219 km (0.077 R)
• M30: 8,517,953 km (0.108 R)
• M31: 8,901,522 km (0.102 R)
• M32: 10,541,863 km (0.098 R)
• M33: 11,370,186 km (0.088 R)
• M34: 12,004,930 km (0.079 R)
• M35: 12,111,743 km (0.09 R)
• M36: 12,596,889 km (0.083 R)
• M37: 13,977,079 km (0.068 R)
• M38: 14,089,576 km (0.084 R)
• M39: 15,520,629 km (0.051 R)
• M40: 15,695,509 km (0.091 R)
• M41: 15,870,988 km (0.065 R)
• M42: 16,047,064 km (0.06 R)
• M43: 16,342,071 km (0.119 R)
• M44: 16,401,312 km (0.043 R)
• M45: 16,877,632 km (0.079 R)
• M46: 17,177,576 km (0.094 R)
• M47: 17,661,225 km (0.083 R)
• M48: 17,721,962 km (0.056 R)
• M49: 17,904,621 km (0.05 R)
• M50: 18,210,549 km (0.112 R)
• M51: 18,395,003 km (0.062 R)
• M52: 18,889,723 km (0.087 R)
• M53: 19,076,421 km (0.06 R)
• M54: 19,451,463 km (0.065 R)
• M55: 20,209,027 km (0.114 R)
• M56: 21,752,877 km (0.056 R)
• M57: 22,210,197 km (0.035 R)
• M58: 23,467,568 km (0.09 R)
• M59: 24,205,983 km (0.088 R)
• M60: 24,815,893 km (0.119 R)
• M61: 26,258,465 km (0.108 R)
• M62: 26,536,269 km (0.112 R)
• M63: 29,223,944 km (0.085 R)
• M64: 29,656,132 km (0.057 R)
• M65: 30,526,941 km (0.084 R)
• M66: 32,219,342 km (0.116 R)
• M67: 32,591,243 km (0.065 R)
• M68: 34,320,295 km (0.082 R)
• M69: 34,699,974 km (0.086 R)
• M70: 36,930,179 km (0.083 R)
• M71: 37,319,433 km (0.095 R)
• M72: 38,180,369 km (0.076 R)
• M73: 38,259,057 km (0.068 R)
• M74: 38,731,786 km (0.107 R)
• M75: 39,206,311 km (0.091 R)
• M76: 42,827,028 km (0.1 R)
• M77: 43,728,206 km (0.114 R)
• M78: 45,465,785 km (0.096 R)
• M79: 45,549,111 km (0.109 R)
• M80: 46,133,739 km (0.081 R)
• M81: 46,385,064 km (0.05 R)
• M82: 47,310,327 km (0.119 R)
• M83: 47,902,285 km (0.118 R)
• M84: 50,036,598 km (0.081 R)
• M85: 50,122,617 km (0.111 R)
• M86: 50,985,348 km (0.085 R)
• M87: 52,638,255 km (0.11 R)
• M88: 54,397,077 km (0.042 R)
• M89: 54,485,489 km (0.104 R)
• M90: 54,574,051 km (0.084 R)
• M91: 54,751,175 km (0.06 R)
• M92: 55,996,278 km (0.055 R)
• M93: 57,160,898 km (0.077 R)
• M94: 59,059,145 km (0.09 R)
• M95: 60,335,963 km (0.096 R)
• M96: 60,977,738 km (0.108 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 505 - 15,086 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit