🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.74

Radius: 1.69

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 0.58 AU - 0.58 AU

Year: 165 Days

Day: 35.5 Hours

Environment

Temp: 148 °C

Axial Tilt: 6.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 83,996,410 km

• M1: 45,627 km (0.076 R)
• M2: 269,127 km (0.09 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.04

Radius: 1.02

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 0.56 AU - 0.9 AU

Year: 233 Days

Day: 18.3 Hours

Environment

Temp: 175 °C

Axial Tilt: 31.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.5

Radius: 1.44

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 1.36 AU - 1.9 AU

Year: 776 Days

Day: 12.7 Hours

Environment

Temp: -61 °C

Axial Tilt: 27.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.89

Radius: 1.53

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 1.68 AU - 2.1 AU

Year: 969 Days

Day: 21.1 Hours

Environment

Temp: -63 °C

Axial Tilt: 35.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 83,996,410 km

• M1: 530,923 km (0.1 R)

Asteroid Belt

Center: 8.73 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Ice Giant

Semi-Major Axis: 15.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 704.1

Radius: 3.2

Gravity: 68.76 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 14.61 AU - 16.51 AU

Year: 22881 Days

Day: 18.2 Hours

Environment

Temp: -201 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (90)

Outer Limit: 83,996,410 km

• M1: 53,556 km (0.078 R)
• M2: 89,011 km (0.114 R)
• M3: 111,450 km (0.1 R)
• M4: 277,205 km (0.085 R)
• M5: 498,011 km (0.1 R)
• M6: 788,381 km (0.111 R)
• M7: 1,399,189 km (0.073 R)
• M8: 1,431,053 km (0.115 R)
• M9: 2,268,951 km (0.091 R)
• M10: 2,655,063 km (0.092 R)
• M11: 3,314,042 km (0.049 R)
• M12: 5,312,520 km (0.112 R)
• M13: 6,504,815 km (0.069 R)
• M14: 7,269,260 km (0.065 R)
• M15: 8,881,027 km (0.114 R)
• M16: 9,604,183 km (0.11 R)
• M17: 9,787,889 km (0.048 R)
• M18: 10,787,203 km (0.117 R)
• M19: 11,170,323 km (0.077 R)
• M20: 12,279,592 km (0.115 R)
• M21: 13,083,531 km (0.103 R)
• M22: 15,451,814 km (0.09 R)
• M23: 16,391,588 km (0.092 R)
• M24: 16,905,158 km (0.106 R)
• M25: 17,052,960 km (0.118 R)
• M26: 18,782,312 km (0.1 R)
• M27: 19,396,710 km (0.055 R)
• M28: 20,961,504 km (0.04 R)
• M29: 21,358,986 km (0.093 R)
• M30: 22,566,390 km (0.062 R)
• M31: 24,293,497 km (0.071 R)
• M32: 25,299,244 km (0.062 R)
• M33: 25,552,812 km (0.062 R)
• M34: 26,318,604 km (0.088 R)
• M35: 26,747,351 km (0.055 R)
• M36: 27,698,495 km (0.091 R)
• M37: 28,660,858 km (0.114 R)
• M38: 31,612,424 km (0.074 R)
• M39: 32,159,503 km (0.098 R)
• M40: 32,250,907 km (0.046 R)
• M41: 32,985,732 km (0.028 R)
• M42: 33,355,239 km (0.113 R)
• M43: 34,284,990 km (0.116 R)
• M44: 34,378,339 km (0.112 R)
• M45: 34,471,837 km (0.116 R)
• M46: 35,506,157 km (0.115 R)
• M47: 35,695,398 km (0.109 R)
• M48: 37,991,127 km (0.066 R)
• M49: 38,281,497 km (0.088 R)
• M50: 40,432,864 km (0.085 R)
• M51: 47,846,635 km (0.115 R)
• M52: 48,055,623 km (0.078 R)
• M53: 48,684,084 km (0.047 R)
• M54: 48,894,269 km (0.072 R)
• M55: 49,632,086 km (0.041 R)
• M56: 49,949,383 km (0.077 R)
• M57: 50,798,949 km (0.102 R)
• M58: 51,011,976 km (0.104 R)
• M59: 51,332,265 km (0.105 R)
• M60: 51,974,788 km (0.111 R)
• M61: 52,512,144 km (0.109 R)
• M62: 53,592,540 km (0.072 R)
• M63: 57,209,517 km (0.1 R)
• M64: 58,767,728 km (0.101 R)
• M65: 59,327,524 km (0.095 R)
• M66: 59,889,114 km (0.105 R)
• M67: 60,226,906 km (0.103 R)
• M68: 60,565,446 km (0.112 R)
• M69: 61,470,962 km (0.113 R)
• M70: 62,267,122 km (0.045 R)
• M71: 62,837,838 km (0.104 R)
• M72: 63,869,465 km (0.052 R)
• M73: 66,647,796 km (0.113 R)
• M74: 66,997,855 km (0.101 R)
• M75: 67,114,691 km (0.091 R)
• M76: 67,465,498 km (0.107 R)
• M77: 67,934,338 km (0.118 R)
• M78: 70,413,025 km (0.083 R)
• M79: 70,769,517 km (0.101 R)
• M80: 71,365,066 km (0.093 R)
• M81: 72,081,939 km (0.056 R)
• M82: 73,041,460 km (0.105 R)
• M83: 74,488,520 km (0.114 R)
• M84: 74,973,067 km (0.101 R)
• M85: 75,458,512 km (0.057 R)
• M86: 78,270,504 km (0.056 R)
• M87: 79,009,667 km (0.116 R)
• M88: 79,133,085 km (0.117 R)
• M89: 80,122,824 km (0.093 R)
• M90: 83,996,362 km (0.093 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 417 - 13,791 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit