🌌 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: 2.98

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 0.41 AU - 0.65 AU

Year: 136 Days

Day: 21.6 Hours

Environment

Temp: 222 °C

Axial Tilt: 27.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 80,259,250 km

• M1: 157,975 km (0.112 R)
• M2: 371,302 km (0.098 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.79 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 5

Radius: 1.9

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 0.73 AU - 0.85 AU

Year: 248 Days

Day: 24.8 Hours

Environment

Temp: 161 °C

Axial Tilt: 16.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 80,259,250 km

• M1: 162,613 km (0.099 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.5

Radius: 1.18

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 1.41 AU - 2.25 AU

Year: 874 Days

Day: 17.9 Hours

Environment

Temp: -50 °C

Axial Tilt: 14.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.75

Radius: 0.89

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 1.52 AU - 2.28 AU

Year: 925 Days

Day: 27.3 Hours

Environment

Temp: -48 °C

Axial Tilt: 29.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.24 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.5

Radius: 1.83

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 2.73 AU - 3.75 AU

Year: 2059 Days

Day: 22.4 Hours

Environment

Temp: -96 °C

Axial Tilt: 23.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.29 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.08

Radius: 1.03

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 2.54 AU - 4.04 AU

Year: 2107 Days

Day: 30.2 Hours

Environment

Temp: -108 °C

Axial Tilt: 7.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 80,259,250 km

• M1: 705,653 km (0.062 R)

Asteroid Belt

Center: 9.13 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 14.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 768.8

Radius: 5.5

Gravity: 25.41 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 13.02 AU - 16.92 AU

Year: 20452 Days

Day: 22.2 Hours

Environment

Temp: -190 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (97)

Outer Limit: 80,259,250 km

• M1: 404,662 km (0.045 R)
• M2: 938,128 km (0.12 R)
• M3: 1,131,110 km (0.082 R)
• M4: 2,055,624 km (0.085 R)
• M5: 2,642,347 km (0.027 R)
• M6: 2,835,927 km (0.051 R)
• M7: 2,914,615 km (0.116 R)
• M8: 2,994,052 km (0.105 R)
• M9: 3,155,019 km (0.065 R)
• M10: 3,277,689 km (0.081 R)
• M11: 3,654,975 km (0.083 R)
• M12: 3,914,228 km (0.112 R)
• M13: 4,404,760 km (0.108 R)
• M14: 4,450,387 km (0.117 R)
• M15: 4,820,492 km (0.084 R)
• M16: 4,867,466 km (0.105 R)
• M17: 4,914,589 km (0.069 R)
• M18: 5,104,728 km (0.119 R)
• M19: 5,443,119 km (0.101 R)
• M20: 5,541,105 km (0.094 R)
• M21: 5,738,874 km (0.088 R)
• M22: 5,838,655 km (0.116 R)
• M23: 5,888,771 km (0.067 R)
• M24: 7,080,168 km (0.116 R)
• M25: 7,730,470 km (0.079 R)
• M26: 8,118,527 km (0.086 R)
• M27: 8,684,007 km (0.111 R)
• M28: 8,798,599 km (0.035 R)
• M29: 8,971,534 km (0.042 R)
• M30: 10,577,168 km (0.038 R)
• M31: 11,506,919 km (0.114 R)
• M32: 12,013,307 km (0.083 R)
• M33: 12,656,578 km (0.094 R)
• M34: 12,851,803 km (0.089 R)
• M35: 13,509,585 km (0.097 R)
• M36: 14,720,730 km (0.109 R)
• M37: 14,789,096 km (0.116 R)
• M38: 14,925,978 km (0.097 R)
• M39: 15,063,458 km (0.12 R)
• M40: 16,601,773 km (0.069 R)
• M41: 16,958,415 km (0.025 R)
• M42: 18,336,211 km (0.045 R)
• M43: 18,483,415 km (0.044 R)
• M44: 18,630,919 km (0.117 R)
• M45: 18,704,820 km (0.074 R)
• M46: 24,275,546 km (0.09 R)
• M47: 24,680,058 km (0.046 R)
• M48: 25,332,006 km (0.115 R)
• M49: 25,742,353 km (0.106 R)
• M50: 26,986,558 km (0.114 R)
• M51: 28,335,183 km (0.118 R)
• M52: 29,189,088 km (0.08 R)
• M53: 31,448,614 km (0.073 R)
• M54: 32,155,015 km (0.082 R)
• M55: 32,243,727 km (0.088 R)
• M56: 32,956,112 km (0.114 R)
• M57: 33,045,571 km (0.1 R)
• M58: 34,305,634 km (0.059 R)
• M59: 35,673,258 km (0.082 R)
• M60: 35,856,964 km (0.043 R)
• M61: 36,872,883 km (0.082 R)
• M62: 37,058,534 km (0.083 R)
• M63: 37,524,232 km (0.069 R)
• M64: 37,898,227 km (0.088 R)
• M65: 38,179,471 km (0.11 R)
• M66: 38,461,463 km (0.105 R)
• M67: 39,881,446 km (0.091 R)
• M68: 41,704,894 km (0.081 R)
• M69: 41,801,535 km (0.096 R)
• M70: 43,653,257 km (0.089 R)
• M71: 43,751,543 km (0.075 R)
• M72: 44,441,039 km (0.077 R)
• M73: 47,537,267 km (0.033 R)
• M74: 48,347,489 km (0.108 R)
• M75: 49,776,448 km (0.063 R)
• M76: 50,805,531 km (0.053 R)
• M77: 51,737,825 km (0.03 R)
• M78: 52,049,737 km (0.028 R)
• M79: 53,199,097 km (0.09 R)
• M80: 54,356,686 km (0.117 R)
• M81: 54,991,728 km (0.106 R)
• M82: 57,233,303 km (0.109 R)
• M83: 58,419,315 km (0.048 R)
• M84: 58,961,158 km (0.109 R)
• M85: 59,069,617 km (0.104 R)
• M86: 62,467,732 km (0.099 R)
• M87: 64,246,302 km (0.111 R)
• M88: 66,041,476 km (0.098 R)
• M89: 66,492,813 km (0.099 R)
• M90: 67,512,023 km (0.077 R)
• M91: 67,739,262 km (0.096 R)
• M92: 68,993,491 km (0.072 R)
• M93: 70,255,349 km (0.099 R)
• M94: 72,918,341 km (0.109 R)
• M95: 75,968,192 km (0.108 R)
• M96: 76,086,225 km (0.097 R)
• M97: 78,700,597 km (0.083 R)

Kuiper Belt

Range: 31.1 - 56.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 221 - 12,122 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit