🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.28

Radius: 1.1

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 0.51 AU - 0.59 AU

Year: 149 Days

Day: 20.4 Hours

Environment

Temp: 199 °C

Axial Tilt: 18.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 83,842,725 km

• M1: 104,868 km (0.08 R)
• M2: 277,953 km (0.098 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.08 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.32

Radius: 1.4

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 1 AU - 1.16 AU

Year: 410 Days

Day: 29.1 Hours

Environment

Temp: 30 °C

Axial Tilt: 19.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 83,842,725 km

• M1: 471,084 km (0.078 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.11 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.53

Radius: 1.45

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.89 AU - 1.33 AU

Year: 427 Days

Day: 32.2 Hours

Environment

Temp: 5 °C

Axial Tilt: 26 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 83,842,725 km

• M1: 52,060 km (0.108 R)
• M2: 248,482 km (0.06 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.75

Radius: 1.86

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 1.33 AU - 1.45 AU

Year: 599 Days

Day: 12.4 Hours

Environment

Temp: -30 °C

Axial Tilt: 35.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 83,842,725 km

• M1: 160,967 km (0.111 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.63

Radius: 1.67

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 1.67 AU - 2.67 AU

Year: 1168 Days

Day: 17.4 Hours

Environment

Temp: -74 °C

Axial Tilt: 49.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Ice Giant

Semi-Major Axis: 15.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 712.8

Radius: 6.8

Gravity: 15.42 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 15.02 AU - 16.34 AU

Year: 22678 Days

Day: 24.5 Hours

Environment

Temp: -190 °C

Axial Tilt: 112.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (91)

Outer Limit: 83,842,725 km

• M1: 87,216 km (0.109 R)
• M2: 156,031 km (0.101 R)
• M3: 339,438 km (0.114 R)
• M4: 395,986 km (0.089 R)
• M5: 1,021,005 km (0.047 R)
• M6: 1,106,575 km (0.117 R)
• M7: 1,504,805 km (0.104 R)
• M8: 1,839,455 km (0.092 R)
• M9: 1,909,168 km (0.115 R)
• M10: 2,233,945 km (0.115 R)
• M11: 2,614,971 km (0.049 R)
• M12: 2,853,280 km (0.066 R)
• M13: 3,436,562 km (0.109 R)
• M14: 4,010,420 km (0.032 R)
• M15: 4,378,430 km (0.115 R)
• M16: 4,519,202 km (0.057 R)
• M17: 4,853,553 km (0.111 R)
• M18: 5,195,833 km (0.114 R)
• M19: 5,394,948 km (0.09 R)
• M20: 6,374,664 km (0.058 R)
• M21: 7,021,376 km (0.109 R)
• M22: 7,576,085 km (0.068 R)
• M23: 8,551,313 km (0.094 R)
• M24: 9,565,437 km (0.106 R)
• M25: 9,870,916 km (0.108 R)
• M26: 11,835,585 km (0.116 R)
• M27: 12,361,571 km (0.084 R)
• M28: 12,694,277 km (0.073 R)
• M29: 13,368,515 km (0.089 R)
• M30: 13,573,164 km (0.109 R)
• M31: 13,916,342 km (0.06 R)
• M32: 13,985,307 km (0.119 R)
• M33: 14,123,535 km (0.082 R)
• M34: 15,033,688 km (0.112 R)
• M35: 17,576,703 km (0.105 R)
• M36: 18,935,350 km (0.086 R)
• M37: 19,550,048 km (0.1 R)
• M38: 20,171,178 km (0.104 R)
• M39: 21,672,393 km (0.117 R)
• M40: 22,476,930 km (0.104 R)
• M41: 22,882,789 km (0.078 R)
• M42: 23,291,042 km (0.048 R)
• M43: 24,197,904 km (0.072 R)
• M44: 24,447,134 km (0.103 R)
• M45: 24,613,786 km (0.097 R)
• M46: 25,116,136 km (0.097 R)
• M47: 25,284,284 km (0.044 R)
• M48: 28,462,491 km (0.106 R)
• M49: 29,786,432 km (0.059 R)
• M50: 30,232,234 km (0.115 R)
• M51: 31,040,062 km (0.12 R)
• M52: 31,401,491 km (0.114 R)
• M53: 32,128,237 km (0.098 R)
• M54: 34,715,682 km (0.094 R)
• M55: 35,184,671 km (0.118 R)
• M56: 40,185,429 km (0.069 R)
• M57: 41,668,841 km (0.111 R)
• M58: 42,567,326 km (0.031 R)
• M59: 46,844,329 km (0.09 R)
• M60: 46,947,701 km (0.061 R)
• M61: 47,154,894 km (0.071 R)
• M62: 48,928,527 km (0.075 R)
• M63: 53,294,690 km (0.109 R)
• M64: 54,378,377 km (0.097 R)
• M65: 55,250,533 km (0.096 R)
• M66: 55,797,911 km (0.118 R)
• M67: 55,907,716 km (0.049 R)
• M68: 56,127,326 km (0.087 R)
• M69: 58,450,730 km (0.095 R)
• M70: 58,673,631 km (0.103 R)
• M71: 59,008,581 km (0.115 R)
• M72: 60,467,011 km (0.073 R)
• M73: 60,692,455 km (0.099 R)
• M74: 60,918,198 km (0.055 R)
• M75: 61,483,827 km (0.111 R)
• M76: 62,278,491 km (0.112 R)
• M77: 64,107,624 km (0.064 R)
• M78: 64,682,828 km (0.111 R)
• M79: 64,798,168 km (0.057 R)
• M80: 65,954,410 km (0.037 R)
• M81: 66,767,774 km (0.068 R)
• M82: 67,701,564 km (0.07 R)
• M83: 68,052,819 km (0.112 R)
• M84: 68,522,108 km (0.086 R)
• M85: 75,446,245 km (0.108 R)
• M86: 77,640,098 km (0.109 R)
• M87: 78,621,759 km (0.101 R)
• M88: 80,102,030 km (0.104 R)
• M89: 80,473,482 km (0.047 R)
• M90: 81,716,042 km (0.079 R)
• M91: 83,717,063 km (0.114 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 442 - 11,711 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit