🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.91 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.3

Radius: 0.62

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.73 AU - 1.09 AU

Year: 307 Days

Day: 38.4 Hours

Environment

Temp: 91 °C

Axial Tilt: 27.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.41 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.98

Radius: 1.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 1.07 AU - 1.75 AU

Year: 591 Days

Day: 16.9 Hours

Environment

Temp: -14 °C

Axial Tilt: 42.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.26

Radius: 1.1

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 1.87 AU - 2.13 AU

Year: 999 Days

Day: 16.2 Hours

Environment

Temp: -54 °C

Axial Tilt: 163.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 48,370,676 km

• M1: 296,503 km (0.059 R)
• M2: 1,168,808 km (0.059 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.65

Radius: 1.68

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 2.26 AU - 2.7 AU

Year: 1379 Days

Day: 20.6 Hours

Environment

Temp: -81 °C

Axial Tilt: 7.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.03 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.35

Radius: 1.41

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 2.88 AU - 3.18 AU

Year: 1862 Days

Day: 31.7 Hours

Environment

Temp: -101 °C

Axial Tilt: 16.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 48,370,676 km

• M1: 789,129 km (0.099 R)

Planet 6 - Terrestrial

Semi-Major Axis: 4.72 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.44

Radius: 1.64

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 4.08 AU - 5.36 AU

Year: 3621 Days

Day: 39.5 Hours

Environment

Temp: -129 °C

Axial Tilt: 153.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 9.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 568

Radius: 12.1

Gravity: 3.88 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 8.99 AU - 10.97 AU

Year: 11133 Days

Day: 11.4 Hours

Environment

Temp: -169 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (82)

Outer Limit: 48,370,676 km

• M1: 191,635 km (0.054 R)
• M2: 352,602 km (0.045 R)
• M3: 876,943 km (0.119 R)
• M4: 968,048 km (0.084 R)
• M5: 1,140,833 km (0.117 R)
• M6: 1,452,446 km (0.057 R)
• M7: 1,540,110 km (0.085 R)
• M8: 1,629,869 km (0.077 R)
• M9: 1,744,461 km (0.09 R)
• M10: 1,861,895 km (0.043 R)
• M11: 1,957,937 km (0.051 R)
• M12: 2,080,308 km (0.095 R)
• M13: 2,307,098 km (0.078 R)
• M14: 2,384,590 km (0.099 R)
• M15: 2,515,787 km (0.063 R)
• M16: 2,622,451 km (0.049 R)
• M17: 2,785,363 km (0.066 R)
• M18: 3,207,678 km (0.119 R)
• M19: 3,382,408 km (0.034 R)
• M20: 4,366,762 km (0.079 R)
• M21: 4,757,811 km (0.109 R)
• M22: 4,957,673 km (0.113 R)
• M23: 5,819,956 km (0.086 R)
• M24: 5,998,127 km (0.102 R)
• M25: 6,543,261 km (0.065 R)
• M26: 7,028,706 km (0.079 R)
• M27: 7,180,399 km (0.086 R)
• M28: 8,113,441 km (0.079 R)
• M29: 8,232,820 km (0.086 R)
• M30: 8,392,889 km (0.101 R)
• M31: 9,167,208 km (0.1 R)
• M32: 9,626,025 km (0.079 R)
• M33: 10,392,863 km (0.078 R)
• M34: 11,091,186 km (0.11 R)
• M35: 11,223,730 km (0.093 R)
• M36: 12,166,795 km (0.115 R)
• M37: 12,948,892 km (0.105 R)
• M38: 13,322,438 km (0.065 R)
• M39: 14,224,214 km (0.105 R)
• M40: 14,561,408 km (0.112 R)
• M41: 14,706,667 km (0.111 R)
• M42: 14,949,914 km (0.074 R)
• M43: 15,489,812 km (0.104 R)
• M44: 16,286,571 km (0.106 R)
• M45: 16,437,515 km (0.12 R)
• M46: 18,598,306 km (0.099 R)
• M47: 19,178,896 km (0.032 R)
• M48: 19,765,469 km (0.117 R)
• M49: 20,303,872 km (0.094 R)
• M50: 20,520,490 km (0.108 R)
• M51: 20,738,005 km (0.09 R)
• M52: 21,175,279 km (0.075 R)
• M53: 21,450,091 km (0.058 R)
• M54: 21,947,803 km (0.085 R)
• M55: 22,281,705 km (0.105 R)
• M56: 22,393,305 km (0.111 R)
• M57: 23,123,792 km (0.086 R)
• M58: 24,435,316 km (0.116 R)
• M59: 25,361,776 km (0.116 R)
• M60: 25,478,462 km (0.102 R)
• M61: 26,005,495 km (0.085 R)
• M62: 26,595,360 km (0.069 R)
• M63: 27,070,333 km (0.116 R)
• M64: 29,181,608 km (0.101 R)
• M65: 29,979,114 km (0.06 R)
• M66: 32,541,277 km (0.108 R)
• M67: 35,955,998 km (0.081 R)
• M68: 36,152,719 km (0.059 R)
• M69: 37,207,683 km (0.042 R)
• M70: 38,205,800 km (0.11 R)
• M71: 38,339,541 km (0.061 R)
• M72: 38,808,979 km (0.093 R)
• M73: 40,773,947 km (0.12 R)
• M74: 40,979,046 km (0.065 R)
• M75: 41,458,955 km (0.092 R)
• M76: 41,734,066 km (0.107 R)
• M77: 41,940,661 km (0.104 R)
• M78: 42,147,704 km (0.07 R)
• M79: 45,790,412 km (0.116 R)
• M80: 47,361,639 km (0.079 R)
• M81: 47,577,209 km (0.084 R)
• M82: 47,793,229 km (0.066 R)

Kuiper Belt

Range: 31.1 - 49.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 402 - 16,345 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit