🌌 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: 0.57 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.59

Radius: 1.46

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 0.53 AU - 0.61 AU

Year: 154 Days

Day: 43.5 Hours

Environment

Temp: 255 °C

Axial Tilt: 10.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.21

Radius: 0.54

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 0.61 AU - 0.67 AU

Year: 183 Days

Day: 14.5 Hours

Environment

Temp: 227 °C

Axial Tilt: 38.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.48

Radius: 1.17

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 0.69 AU - 0.71 AU

Year: 210 Days

Day: 38.2 Hours

Environment

Temp: 213 °C

Axial Tilt: 11 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.37

Radius: 1.41

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 1.39 AU - 1.69 AU

Year: 684 Days

Day: 13.3 Hours

Environment

Temp: -27 °C

Axial Tilt: 149.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.18

Radius: 1.07

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 1.51 AU - 2.07 AU

Year: 858 Days

Day: 22.8 Hours

Environment

Temp: -39 °C

Axial Tilt: 39.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.76

Radius: 1.5

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 2.62 AU - 2.96 AU

Year: 1669 Days

Day: 26.3 Hours

Environment

Temp: -94 °C

Axial Tilt: 148.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 5.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 56.2

Radius: 8.1

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 4.88 AU - 6.82 AU

Year: 5068 Days

Day: 9.4 Hours

Environment

Temp: -151 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (54)

Outer Limit: 18,252,238 km

• M1: 162,314 km (0.116 R)
• M2: 213,775 km (0.067 R)
• M3: 289,023 km (0.032 R)
• M4: 359,932 km (0.095 R)
• M5: 554,111 km (0.11 R)
• M6: 841,189 km (0.102 R)
• M7: 1,021,604 km (0.059 R)
• M8: 1,258,268 km (0.068 R)
• M9: 1,338,153 km (0.064 R)
• M10: 1,456,485 km (0.064 R)
• M11: 1,597,406 km (0.094 R)
• M12: 1,723,367 km (0.034 R)
• M13: 1,903,184 km (0.105 R)
• M14: 2,141,942 km (0.104 R)
• M15: 2,467,916 km (0.113 R)
• M16: 2,728,366 km (0.069 R)
• M17: 2,926,733 km (0.084 R)
• M18: 3,129,887 km (0.1 R)
• M19: 3,202,591 km (0.099 R)
• M20: 3,600,522 km (0.081 R)
• M21: 3,909,142 km (0.082 R)
• M22: 4,456,221 km (0.114 R)
• M23: 4,524,588 km (0.101 R)
• M24: 4,899,929 km (0.114 R)
• M25: 5,127,018 km (0.1 R)
• M26: 5,591,819 km (0.066 R)
• M27: 5,919,139 km (0.084 R)
• M28: 5,979,277 km (0.116 R)
• M29: 6,176,298 km (0.043 R)
• M30: 6,375,562 km (0.08 R)
• M31: 6,592,479 km (0.063 R)
• M32: 6,670,419 km (0.087 R)
• M33: 6,890,628 km (0.099 R)
• M34: 7,129,236 km (0.077 R)
• M35: 7,225,428 km (0.095 R)
• M36: 7,354,381 km (0.118 R)
• M37: 7,467,926 km (0.089 R)
• M38: 7,581,919 km (0.091 R)
• M39: 8,651,394 km (0.12 R)
• M40: 8,960,613 km (0.117 R)
• M41: 9,168,704 km (0.105 R)
• M42: 9,643,079 km (0.11 R)
• M43: 9,820,801 km (0.116 R)
• M44: 9,981,619 km (0.057 R)
• M45: 10,143,334 km (0.068 R)
• M46: 10,725,419 km (0.063 R)
• M47: 10,964,926 km (0.089 R)
• M48: 11,468,173 km (0.088 R)
• M49: 11,599,968 km (0.095 R)
• M50: 11,713,214 km (0.114 R)
• M51: 11,864,906 km (0.087 R)
• M52: 12,265,978 km (0.03 R)
• M53: 12,381,468 km (0.08 R)
• M54: 12,497,257 km (0.039 R)

Planet 8 - Gas Giant

Semi-Major Axis: 6.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 128

Radius: 10.6

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 4.89 AU - 7.37 AU

Year: 5436 Days

Day: 10.5 Hours

Environment

Temp: -155 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (47)

Outer Limit: 18,252,238 km

• M1: 142,417 km (0.113 R)
• M2: 216,767 km (0.06 R)
• M3: 346,618 km (0.026 R)
• M4: 418,425 km (0.037 R)
• M5: 565,181 km (0.088 R)
• M6: 704,905 km (0.109 R)
• M7: 942,317 km (0.109 R)
• M8: 1,121,984 km (0.118 R)
• M9: 1,216,231 km (0.071 R)
• M10: 1,335,311 km (0.086 R)
• M11: 1,447,060 km (0.111 R)
• M12: 1,801,458 km (0.114 R)
• M13: 1,963,472 km (0.101 R)
• M14: 2,078,662 km (0.095 R)
• M15: 2,315,775 km (0.084 R)
• M16: 3,050,001 km (0.038 R)
• M17: 3,645,251 km (0.119 R)
• M18: 3,740,096 km (0.106 R)
• M19: 3,964,643 km (0.053 R)
• M20: 4,209,983 km (0.051 R)
• M21: 4,664,462 km (0.098 R)
• M22: 5,276,915 km (0.11 R)
• M23: 5,492,785 km (0.081 R)
• M24: 5,674,846 km (0.116 R)
• M25: 6,214,445 km (0.111 R)
• M26: 7,163,195 km (0.066 R)
• M27: 7,442,494 km (0.119 R)
• M28: 8,406,503 km (0.112 R)
• M29: 8,616,688 km (0.077 R)
• M30: 8,722,453 km (0.12 R)
• M31: 9,781,606 km (0.076 R)
• M32: 10,025,002 km (0.077 R)
• M33: 10,113,863 km (0.082 R)
• M34: 10,472,599 km (0.085 R)
• M35: 10,630,724 km (0.118 R)
• M36: 13,636,295 km (0.063 R)
• M37: 13,883,430 km (0.104 R)
• M38: 14,709,659 km (0.038 R)
• M39: 15,680,699 km (0.039 R)
• M40: 15,861,862 km (0.064 R)
• M41: 16,043,773 km (0.091 R)
• M42: 16,804,478 km (0.071 R)
• M43: 16,989,830 km (0.048 R)
• M44: 17,096,194 km (0.113 R)
• M45: 17,336,000 km (0.053 R)
• M46: 17,416,184 km (0.084 R)
• M47: 17,603,780 km (0.109 R)

Kuiper Belt

Range: 30.6 - 60.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 479 - 13,735 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit