🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.54 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.07 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.15

Radius: 1.58

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 0.89 AU - 1.25 AU

Year: 406 Days

Day: 16.6 Hours

Environment

Temp: 31 °C

Axial Tilt: 161.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 87,580,180 km

• M1: 42,336 km (0.094 R)
• M2: 902,973 km (0.112 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.19

Radius: 1.37

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 1.62 AU - 1.86 AU

Year: 843 Days

Day: 30.3 Hours

Environment

Temp: -49 °C

Axial Tilt: 28.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.02

Radius: 1.01

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 1.73 AU - 2.41 AU

Year: 1093 Days

Day: 35.3 Hours

Environment

Temp: -63 °C

Axial Tilt: 45.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.01 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.11

Radius: 0.41

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 2.79 AU - 3.23 AU

Year: 1917 Days

Day: 32.7 Hours

Environment

Temp: -114 °C

Axial Tilt: 9.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Ice Giant

Semi-Major Axis: 18.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 518.6

Radius: 6.6

Gravity: 11.91 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 14.45 AU - 21.85 AU

Year: 28385 Days

Day: 21.2 Hours

Environment

Temp: -197 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (93)

Outer Limit: 87,580,180 km

• M1: 104,270 km (0.089 R)
• M2: 182,958 km (0.1 R)
• M3: 293,361 km (0.095 R)
• M4: 630,705 km (0.104 R)
• M5: 782,098 km (0.098 R)
• M6: 917,334 km (0.119 R)
• M7: 1,400,386 km (0.119 R)
• M8: 2,024,957 km (0.088 R)
• M9: 2,212,253 km (0.115 R)
• M10: 2,766,364 km (0.077 R)
• M11: 3,230,865 km (0.105 R)
• M12: 3,274,249 km (0.086 R)
• M13: 4,470,433 km (0.068 R)
• M14: 4,518,903 km (0.081 R)
• M15: 5,063,888 km (0.068 R)
• M16: 5,734,535 km (0.104 R)
• M17: 6,269,198 km (0.099 R)
• M18: 6,432,858 km (0.118 R)
• M19: 7,271,504 km (0.108 R)
• M20: 7,385,946 km (0.055 R)
• M21: 7,443,242 km (0.076 R)
• M22: 7,616,476 km (0.092 R)
• M23: 7,791,057 km (0.115 R)
• M24: 8,442,257 km (0.058 R)
• M25: 8,502,395 km (0.087 R)
• M26: 8,683,408 km (0.117 R)
• M27: 10,177,442 km (0.045 R)
• M28: 12,153,630 km (0.101 R)
• M29: 12,289,615 km (0.115 R)
• M30: 12,562,930 km (0.113 R)
• M31: 13,676,088 km (0.119 R)
• M32: 14,101,544 km (0.065 R)
• M33: 14,315,918 km (0.045 R)
• M34: 14,675,701 km (0.089 R)
• M35: 15,111,330 km (0.067 R)
• M36: 15,477,545 km (0.117 R)
• M37: 16,069,654 km (0.113 R)
• M38: 16,144,153 km (0.042 R)
• M39: 16,971,579 km (0.077 R)
• M40: 17,276,011 km (0.094 R)
• M41: 17,658,832 km (0.067 R)
• M42: 19,060,414 km (0.052 R)
• M43: 20,416,669 km (0.084 R)
• M44: 20,821,480 km (0.108 R)
• M45: 22,300,555 km (0.093 R)
• M46: 23,136,807 km (0.119 R)
• M47: 23,305,403 km (0.097 R)
• M48: 24,926,296 km (0.076 R)
• M49: 25,185,550 km (0.07 R)
• M50: 25,968,545 km (0.081 R)
• M51: 27,380,300 km (0.119 R)
• M52: 28,275,344 km (0.076 R)
• M53: 30,277,861 km (0.106 R)
• M54: 30,554,468 km (0.088 R)
• M55: 30,924,573 km (0.108 R)
• M56: 31,296,174 km (0.082 R)
• M57: 32,797,239 km (0.077 R)
• M58: 35,869,081 km (0.094 R)
• M59: 36,651,329 km (0.045 R)
• M60: 37,835,246 km (0.085 R)
• M61: 39,232,191 km (0.11 R)
• M62: 39,936,947 km (0.093 R)
• M63: 41,870,948 km (0.114 R)
• M64: 44,986,174 km (0.115 R)
• M65: 45,618,075 km (0.11 R)
• M66: 46,784,340 km (0.063 R)
• M67: 47,852,918 km (0.053 R)
• M68: 50,668,948 km (0.114 R)
• M69: 51,986,606 km (0.102 R)
• M70: 52,539,071 km (0.095 R)
• M71: 54,207,836 km (0.107 R)
• M72: 58,283,181 km (0.098 R)
• M73: 58,627,256 km (0.092 R)
• M74: 61,520,329 km (0.119 R)
• M75: 62,221,644 km (0.105 R)
• M76: 63,868,268 km (0.107 R)
• M77: 64,104,632 km (0.095 R)
• M78: 64,696,890 km (0.115 R)
• M79: 65,767,413 km (0.072 R)
• M80: 66,245,228 km (0.05 R)
• M81: 68,650,912 km (0.112 R)
• M82: 70,351,989 km (0.055 R)
• M83: 72,066,829 km (0.096 R)
• M84: 74,167,632 km (0.038 R)
• M85: 74,789,211 km (0.117 R)
• M86: 75,287,821 km (0.102 R)
• M87: 77,167,369 km (0.094 R)
• M88: 78,808,906 km (0.051 R)
• M89: 81,484,614 km (0.118 R)
• M90: 81,869,230 km (0.089 R)
• M91: 83,543,230 km (0.094 R)
• M92: 84,578,896 km (0.03 R)
• M93: 85,228,450 km (0.069 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 173 - 16,888 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit