🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.84 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.32

Radius: 1.4

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 0.8 AU - 0.88 AU

Year: 274 Days

Day: 31.4 Hours

Environment

Temp: 139 °C

Axial Tilt: 37.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.95 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.96

Radius: 0.98

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 0.89 AU - 1.01 AU

Year: 330 Days

Day: 29.9 Hours

Environment

Temp: 140 °C

Axial Tilt: 102.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.16 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.9

Radius: 1.29

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 1.02 AU - 1.3 AU

Year: 445 Days

Day: 29.6 Hours

Environment

Temp: 24 °C

Axial Tilt: 15.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 70,768,708 km

• M1: 546,331 km (0.102 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.29 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.9

Radius: 0.96

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 1.05 AU - 1.53 AU

Year: 522 Days

Day: 18.3 Hours

Environment

Temp: 22 °C

Axial Tilt: 8.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 3.21 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.58

Radius: 1.2

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 2.86 AU - 3.56 AU

Year: 2050 Days

Day: 47.4 Hours

Environment

Temp: -97 °C

Axial Tilt: 0.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 10.22 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 17.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 339.8

Radius: 5.6

Gravity: 10.84 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 13.62 AU - 20.82 AU

Year: 25471 Days

Day: 19.5 Hours

Environment

Temp: -192 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (94)

Outer Limit: 70,768,708 km

• M1: 71,807 km (0.117 R)
• M2: 418,724 km (0.092 R)
• M3: 455,526 km (0.111 R)
• M4: 744,549 km (0.072 R)
• M5: 932,294 km (0.084 R)
• M6: 1,268,440 km (0.098 R)
• M7: 1,669,363 km (0.095 R)
• M8: 2,338,963 km (0.062 R)
• M9: 2,755,144 km (0.114 R)
• M10: 3,269,461 km (0.116 R)
• M11: 3,421,752 km (0.114 R)
• M12: 5,786,745 km (0.03 R)
• M13: 5,878,748 km (0.106 R)
• M14: 6,017,574 km (0.105 R)
• M15: 7,265,819 km (0.064 R)
• M16: 7,514,750 km (0.118 R)
• M17: 8,748,483 km (0.064 R)
• M18: 8,960,164 km (0.118 R)
• M19: 9,173,491 km (0.107 R)
• M20: 9,227,047 km (0.103 R)
• M21: 9,714,138 km (0.086 R)
• M22: 10,098,903 km (0.086 R)
• M23: 10,320,907 km (0.115 R)
• M24: 10,432,507 km (0.057 R)
• M25: 10,713,302 km (0.107 R)
• M26: 11,225,076 km (0.113 R)
• M27: 11,455,158 km (0.11 R)
• M28: 11,512,903 km (0.029 R)
• M29: 11,919,809 km (0.072 R)
• M30: 12,213,320 km (0.091 R)
• M31: 12,628,304 km (0.092 R)
• M32: 13,108,214 km (0.102 R)
• M33: 13,229,089 km (0.058 R)
• M34: 14,209,703 km (0.068 R)
• M35: 14,521,017 km (0.076 R)
• M36: 15,023,665 km (0.083 R)
• M37: 15,086,796 km (0.054 R)
• M38: 16,696,170 km (0.078 R)
• M39: 17,821,295 km (0.078 R)
• M40: 18,562,253 km (0.078 R)
• M41: 19,382,050 km (0.032 R)
• M42: 19,727,172 km (0.075 R)
• M43: 19,796,436 km (0.052 R)
• M44: 19,865,700 km (0.116 R)
• M45: 20,074,239 km (0.082 R)
• M46: 20,213,664 km (0.068 R)
• M47: 20,704,046 km (0.078 R)
• M48: 20,844,967 km (0.119 R)
• M49: 21,983,108 km (0.043 R)
• M50: 22,995,586 km (0.055 R)
• M51: 23,654,415 km (0.055 R)
• M52: 24,245,177 km (0.107 R)
• M53: 24,915,675 km (0.082 R)
• M54: 25,290,866 km (0.096 R)
• M55: 25,819,097 km (0.117 R)
• M56: 26,886,627 km (0.037 R)
• M57: 27,117,307 km (0.079 R)
• M58: 31,703,230 km (0.098 R)
• M59: 32,109,537 km (0.108 R)
• M60: 32,191,068 km (0.097 R)
• M61: 32,845,559 km (0.097 R)
• M62: 33,586,966 km (0.059 R)
• M63: 33,752,421 km (0.08 R)
• M64: 35,422,532 km (0.112 R)
• M65: 35,759,725 km (0.114 R)
• M66: 38,929,106 km (0.097 R)
• M67: 39,538,867 km (0.056 R)
• M68: 40,151,620 km (0.085 R)
• M69: 40,855,926 km (0.059 R)
• M70: 43,352,565 km (0.107 R)
• M71: 43,532,831 km (0.098 R)
• M72: 44,892,376 km (0.079 R)
• M73: 46,726,745 km (0.075 R)
• M74: 46,819,047 km (0.099 R)
• M75: 47,932,055 km (0.095 R)
• M76: 51,704,764 km (0.109 R)
• M77: 53,336,727 km (0.063 R)
• M78: 53,916,868 km (0.074 R)
• M79: 54,013,658 km (0.051 R)
• M80: 54,401,714 km (0.094 R)
• M81: 54,498,953 km (0.074 R)
• M82: 55,669,407 km (0.102 R)
• M83: 55,865,380 km (0.095 R)
• M84: 57,045,408 km (0.047 R)
• M85: 57,539,530 km (0.105 R)
• M86: 60,232,441 km (0.088 R)
• M87: 60,735,688 km (0.108 R)
• M88: 60,836,368 km (0.115 R)
• M89: 61,644,795 km (0.08 R)
• M90: 62,050,354 km (0.048 R)
• M91: 62,660,415 km (0.064 R)
• M92: 67,924,764 km (0.096 R)
• M93: 68,448,506 km (0.1 R)
• M94: 68,763,409 km (0.047 R)

Kuiper Belt

Range: 30.8 - 47.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 458 - 16,724 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit