🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.09

Radius: 1.76

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 0.52 AU - 0.64 AU

Year: 163 Days

Day: 12.1 Hours

Environment

Temp: 221 °C

Axial Tilt: 5.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.82 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.86

Radius: 1.28

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 0.78 AU - 0.86 AU

Year: 274 Days

Day: 25.5 Hours

Environment

Temp: 92 °C

Axial Tilt: 8.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.2 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.42

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 0.93 AU - 1.47 AU

Year: 485 Days

Day: 29.8 Hours

Environment

Temp: -14 °C

Axial Tilt: 35.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 60,639,500 km

• M1: 51,013 km (0.076 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.25 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.65

Radius: 1.48

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 0.95 AU - 1.55 AU

Year: 516 Days

Day: 34.1 Hours

Environment

Temp: -15 °C

Axial Tilt: 38.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 60,639,500 km

• M1: 814,261 km (0.071 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.69

Radius: 0.86

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 1.19 AU - 1.83 AU

Year: 685 Days

Day: 12.7 Hours

Environment

Temp: -37 °C

Axial Tilt: 156.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 60,639,500 km

• M1: 80,633 km (0.106 R)
• M2: 128,355 km (0.083 R)

Planet 6 - Terrestrial

Semi-Major Axis: 3.75 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.62

Radius: 1.21

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 3.15 AU - 4.35 AU

Year: 2679 Days

Day: 23.4 Hours

Environment

Temp: -117 °C

Axial Tilt: 35 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 60,639,500 km

• M1: 181,612 km (0.102 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 51.8

Radius: 12.9

Gravity: 0.31 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 5.34 AU - 5.34 AU

Year: 4553 Days

Day: 7.4 Hours

Environment

Temp: -139 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 60,639,500 km

• M1: 160,519 km (0.107 R)
• M2: 597,494 km (0.098 R)
• M3: 1,275,322 km (0.087 R)
• M4: 2,329,388 km (0.05 R)
• M5: 3,008,563 km (0.047 R)
• M6: 5,584,937 km (0.03 R)
• M7: 6,220,279 km (0.05 R)
• M8: 7,429,030 km (0.113 R)
• M9: 8,617,137 km (0.094 R)
• M10: 10,599,159 km (0.078 R)

Planet 8 - Ice Giant

Semi-Major Axis: 12.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 452.5

Radius: 8

Gravity: 7.07 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 11.38 AU - 13.63 AU

Year: 16306 Days

Day: 19 Hours

Environment

Temp: -184 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 60,639,500 km

• M1: 105,167 km (0.087 R)
• M2: 489,185 km (0.098 R)
• M3: 829,819 km (0.093 R)
• M4: 1,492,987 km (0.025 R)
• M5: 2,883,798 km (0.114 R)
• M6: 3,794,400 km (0.087 R)
• M7: 7,490,665 km (0.111 R)
• M8: 11,422,246 km (0.095 R)
• M9: 12,017,047 km (0.118 R)
• M10: 12,569,811 km (0.113 R)
• M11: 14,126,826 km (0.119 R)
• M12: 14,881,847 km (0.071 R)
• M13: 15,808,456 km (0.053 R)
• M14: 16,248,872 km (0.113 R)
• M15: 16,547,020 km (0.051 R)
• M16: 18,332,770 km (0.085 R)
• M17: 18,818,963 km (0.11 R)
• M18: 19,817,080 km (0.045 R)
• M19: 40,389,181 km (0.065 R)
• M20: 44,762,824 km (0.086 R)
• M21: 45,644,255 km (0.118 R)
• M22: 51,177,880 km (0.034 R)
• M23: 55,441,420 km (0.04 R)

Planet 9 - Ice Giant

Semi-Major Axis: 14.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 370.5

Radius: 4.5

Gravity: 18.3 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 12.67 AU - 15.35 AU

Year: 19348 Days

Day: 22.1 Hours

Environment

Temp: -188 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 60,639,500 km

• M1: 66,571 km (0.092 R)
• M2: 215,122 km (0.114 R)
• M3: 380,727 km (0.108 R)
• M4: 547,977 km (0.117 R)
• M5: 718,818 km (0.088 R)
• M6: 1,072,318 km (0.032 R)
• M7: 1,611,319 km (0.088 R)
• M8: 2,041,113 km (0.088 R)
• M9: 2,500,678 km (0.09 R)
• M10: 2,698,297 km (0.034 R)
• M11: 3,001,980 km (0.077 R)
• M12: 3,513,306 km (0.054 R)
• M13: 3,677,415 km (0.074 R)
• M14: 4,544,484 km (0.096 R)
• M15: 5,576,709 km (0.117 R)
• M16: 6,108,081 km (0.043 R)
• M17: 7,720,148 km (0.106 R)
• M18: 9,542,848 km (0.101 R)
• M19: 10,581,805 km (0.077 R)
• M20: 12,060,880 km (0.083 R)
• M21: 12,561,883 km (0.08 R)
• M22: 14,286,148 km (0.082 R)
• M23: 14,775,931 km (0.111 R)
• M24: 16,086,857 km (0.087 R)
• M25: 16,464,442 km (0.104 R)
• M26: 17,315,654 km (0.077 R)
• M27: 22,574,618 km (0.111 R)
• M28: 24,905,652 km (0.096 R)
• M29: 29,699,665 km (0.048 R)
• M30: 30,842,743 km (0.089 R)
• M31: 32,491,610 km (0.056 R)
• M32: 39,266,449 km (0.064 R)
• M33: 41,482,891 km (0.109 R)
• M34: 43,635,156 km (0.09 R)
• M35: 45,559,583 km (0.109 R)
• M36: 57,251,404 km (0.055 R)
• M37: 60,639,497 km (0.097 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: 364 - 14,183 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit