🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.76

Radius: 1.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 0.61 AU - 0.89 AU

Year: 228 Days

Day: 24.5 Hours

Environment

Temp: 159 °C

Axial Tilt: 5.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 72,110,067 km

• M1: 384,766 km (0.108 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.88 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.43

Radius: 1.43

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 0.68 AU - 1.08 AU

Year: 290 Days

Day: 41.6 Hours

Environment

Temp: 179 °C

Axial Tilt: 43.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 72,110,067 km

• M1: 65,225 km (0.112 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.23 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.02

Radius: 1.32

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 0.95 AU - 1.51 AU

Year: 479 Days

Day: 32.7 Hours

Environment

Temp: 9 °C

Axial Tilt: 33.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.87

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 1.49 AU - 1.91 AU

Year: 779 Days

Day: 14.7 Hours

Environment

Temp: -45 °C

Axial Tilt: 32.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.1

Radius: 0.4

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 3.2 AU - 3.96 AU

Year: 2381 Days

Day: 21.1 Hours

Environment

Temp: -112 °C

Axial Tilt: 9.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 11.81 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 20.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 234.6

Radius: 7.3

Gravity: 4.4 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 17.94 AU - 22.14 AU

Year: 31530 Days

Day: 24.2 Hours

Environment

Temp: -189 °C

Axial Tilt: 108.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (93)

Outer Limit: 72,110,067 km

• M1: 197,469 km (0.087 R)
• M2: 582,684 km (0.09 R)
• M3: 710,739 km (0.088 R)
• M4: 848,220 km (0.088 R)
• M5: 895,942 km (0.105 R)
• M6: 1,311,973 km (0.087 R)
• M7: 1,453,343 km (0.104 R)
• M8: 1,751,043 km (0.085 R)
• M9: 1,844,093 km (0.119 R)
• M10: 1,970,802 km (0.041 R)
• M11: 2,067,742 km (0.119 R)
• M12: 2,133,266 km (0.106 R)
• M13: 2,541,219 km (0.092 R)
• M14: 2,972,958 km (0.096 R)
• M15: 3,505,527 km (0.078 R)
• M16: 3,702,846 km (0.073 R)
• M17: 4,274,759 km (0.101 R)
• M18: 4,830,216 km (0.078 R)
• M19: 4,917,731 km (0.039 R)
• M20: 5,363,084 km (0.044 R)
• M21: 5,499,367 km (0.096 R)
• M22: 5,821,452 km (0.045 R)
• M23: 6,008,299 km (0.114 R)
• M24: 6,532,341 km (0.103 R)
• M25: 6,775,437 km (0.096 R)
• M26: 7,120,709 km (0.095 R)
• M27: 7,674,969 km (0.096 R)
• M28: 8,242,992 km (0.089 R)
• M29: 8,400,220 km (0.097 R)
• M30: 8,931,591 km (0.079 R)
• M31: 9,039,302 km (0.118 R)
• M32: 9,147,311 km (0.103 R)
• M33: 9,201,466 km (0.12 R)
• M34: 9,583,688 km (0.07 R)
• M35: 10,990,806 km (0.101 R)
• M36: 12,221,847 km (0.119 R)
• M37: 13,805,639 km (0.032 R)
• M38: 13,992,487 km (0.06 R)
• M39: 14,305,895 km (0.032 R)
• M40: 14,431,856 km (0.116 R)
• M41: 14,621,546 km (0.08 R)
• M42: 14,939,442 km (0.118 R)
• M43: 15,906,891 km (0.089 R)
• M44: 15,972,116 km (0.03 R)
• M45: 17,834,161 km (0.065 R)
• M46: 17,969,846 km (0.091 R)
• M47: 18,242,114 km (0.044 R)
• M48: 18,515,728 km (0.119 R)
• M49: 18,928,768 km (0.105 R)
• M50: 20,327,209 km (0.093 R)
• M51: 20,398,118 km (0.078 R)
• M52: 20,539,937 km (0.095 R)
• M53: 21,253,968 km (0.059 R)
• M54: 22,048,931 km (0.117 R)
• M55: 23,370,628 km (0.1 R)
• M56: 23,891,528 km (0.096 R)
• M57: 23,966,327 km (0.104 R)
• M58: 24,341,070 km (0.096 R)
• M59: 25,629,855 km (0.079 R)
• M60: 26,785,349 km (0.115 R)
• M61: 27,252,394 km (0.056 R)
• M62: 30,920,683 km (0.118 R)
• M63: 35,079,803 km (0.094 R)
• M64: 36,103,801 km (0.106 R)
• M65: 36,619,464 km (0.055 R)
• M66: 36,705,633 km (0.084 R)
• M67: 37,745,188 km (0.081 R)
• M68: 40,119,307 km (0.103 R)
• M69: 41,908,796 km (0.101 R)
• M70: 43,176,788 km (0.094 R)
• M71: 43,450,103 km (0.09 R)
• M72: 45,194,863 km (0.104 R)
• M73: 45,379,766 km (0.075 R)
• M74: 45,657,719 km (0.054 R)
• M75: 46,775,215 km (0.061 R)
• M76: 47,149,658 km (0.047 R)
• M77: 47,243,456 km (0.118 R)
• M78: 47,901,537 km (0.055 R)
• M79: 49,226,975 km (0.103 R)
• M80: 52,884,792 km (0.032 R)
• M81: 53,470,318 km (0.073 R)
• M82: 54,450,932 km (0.028 R)
• M83: 55,635,448 km (0.077 R)
• M84: 62,403,555 km (0.069 R)
• M85: 64,577,810 km (0.106 R)
• M86: 64,890,470 km (0.088 R)
• M87: 65,203,578 km (0.085 R)
• M88: 65,936,159 km (0.112 R)
• M89: 66,145,895 km (0.11 R)
• M90: 69,213,100 km (0.084 R)
• M91: 69,532,941 km (0.098 R)
• M92: 69,960,342 km (0.103 R)
• M93: 71,355,192 km (0.077 R)

Kuiper Belt

Range: 31.2 - 54.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 209 - 17,552 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit