🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.75

Radius: 0.89

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 0.56 AU - 0.64 AU

Year: 171 Days

Day: 25.5 Hours

Environment

Temp: 167 °C

Axial Tilt: 1.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.88 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.23

Radius: 1.78

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 0.79 AU - 0.97 AU

Year: 303 Days

Day: 18.2 Hours

Environment

Temp: 150 °C

Axial Tilt: 13.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.29 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.35

Radius: 1.62

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 1.08 AU - 1.5 AU

Year: 538 Days

Day: 33.3 Hours

Environment

Temp: -4 °C

Axial Tilt: 38.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.35

Radius: 1.13

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 1.28 AU - 1.88 AU

Year: 729 Days

Day: 32.2 Hours

Environment

Temp: -45 °C

Axial Tilt: 19.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.68

Radius: 1.48

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 1.63 AU - 2.27 AU

Year: 1000 Days

Day: 38.3 Hours

Environment

Temp: -74 °C

Axial Tilt: 29.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.46 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.86

Radius: 0.94

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 2.63 AU - 4.29 AU

Year: 2363 Days

Day: 24.9 Hours

Environment

Temp: -119 °C

Axial Tilt: 24.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.86 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 8.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 242

Radius: 15

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 7.23 AU - 9.27 AU

Year: 8699 Days

Day: 13.7 Hours

Environment

Temp: -174 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (77)

Outer Limit: 30,877,640 km

• M1: 194,328 km (0.073 R)
• M2: 300,692 km (0.056 R)
• M3: 404,961 km (0.109 R)
• M4: 519,404 km (0.036 R)
• M5: 648,956 km (0.084 R)
• M6: 804,388 km (0.119 R)
• M7: 1,029,084 km (0.073 R)
• M8: 1,306,289 km (0.054 R)
• M9: 1,446,462 km (0.069 R)
• M10: 1,951,803 km (0.055 R)
• M11: 2,281,068 km (0.103 R)
• M12: 2,471,955 km (0.037 R)
• M13: 2,569,493 km (0.036 R)
• M14: 2,668,377 km (0.025 R)
• M15: 2,829,345 km (0.091 R)
• M16: 3,077,079 km (0.117 R)
• M17: 3,483,985 km (0.068 R)
• M18: 3,616,080 km (0.079 R)
• M19: 3,750,119 km (0.076 R)
• M20: 4,782,644 km (0.091 R)
• M21: 4,929,998 km (0.11 R)
• M22: 5,154,095 km (0.078 R)
• M23: 5,742,165 km (0.096 R)
• M24: 5,925,572 km (0.117 R)
• M25: 6,057,667 km (0.113 R)
• M26: 6,351,776 km (0.096 R)
• M27: 6,568,843 km (0.086 R)
• M28: 6,898,855 km (0.09 R)
• M29: 7,632,783 km (0.1 R)
• M30: 8,096,835 km (0.115 R)
• M31: 8,302,831 km (0.072 R)
• M32: 8,451,083 km (0.034 R)
• M33: 9,949,754 km (0.101 R)
• M34: 10,361,149 km (0.086 R)
• M35: 10,584,947 km (0.118 R)
• M36: 10,810,391 km (0.08 R)
• M37: 10,939,943 km (0.096 R)
• M38: 11,167,930 km (0.101 R)
• M39: 11,364,651 km (0.064 R)
• M40: 11,463,386 km (0.113 R)
• M41: 12,028,566 km (0.067 R)
• M42: 12,602,873 km (0.068 R)
• M43: 13,428,952 km (0.098 R)
• M44: 13,848,574 km (0.111 R)
• M45: 14,059,956 km (0.097 R)
• M46: 14,808,544 km (0.109 R)
• M47: 15,060,915 km (0.096 R)
• M48: 15,533,495 km (0.082 R)
• M49: 15,679,951 km (0.069 R)
• M50: 16,418,815 km (0.077 R)
• M51: 16,867,609 km (0.048 R)
• M52: 17,018,104 km (0.105 R)
• M53: 17,282,593 km (0.03 R)
• M54: 17,853,907 km (0.047 R)
• M55: 18,238,224 km (0.115 R)
• M56: 18,547,742 km (0.112 R)
• M57: 19,250,404 km (0.025 R)
• M58: 19,802,869 km (0.102 R)
• M59: 19,921,948 km (0.119 R)
• M60: 20,320,627 km (0.07 R)
• M61: 21,085,521 km (0.101 R)
• M62: 21,207,144 km (0.118 R)
• M63: 21,859,690 km (0.102 R)
• M64: 22,560,406 km (0.111 R)
• M65: 23,562,113 km (0.094 R)
• M66: 23,730,411 km (0.106 R)
• M67: 24,280,482 km (0.087 R)
• M68: 24,963,097 km (0.072 R)
• M69: 25,912,146 km (0.085 R)
• M70: 26,303,794 km (0.119 R)
• M71: 26,478,524 km (0.103 R)
• M72: 26,829,032 km (0.053 R)
• M73: 27,269,448 km (0.117 R)
• M74: 28,201,891 km (0.086 R)
• M75: 28,470,270 km (0.057 R)
• M76: 30,007,089 km (0.116 R)
• M77: 30,555,963 km (0.109 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 510 - 19,871 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit