🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.81

Radius: 0.92

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 0.52 AU - 0.72 AU

Year: 187 Days

Day: 13.5 Hours

Environment

Temp: 123 °C

Axial Tilt: 4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 55,829,108 km

• M1: 21,841 km (0.055 R)
• M2: 332,406 km (0.115 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.86 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.66

Radius: 1.48

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 0.8 AU - 0.92 AU

Year: 305 Days

Day: 22.6 Hours

Environment

Temp: 32 °C

Axial Tilt: 27.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 55,829,108 km

• M1: 93,499 km (0.09 R)
• M2: 384,317 km (0.069 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.92 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.67

Radius: 0.85

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 0.75 AU - 1.09 AU

Year: 338 Days

Day: 29.5 Hours

Environment

Temp: 11 °C

Axial Tilt: 5.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.33

Radius: 1.62

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 0.98 AU - 1.56 AU

Year: 548 Days

Day: 46.5 Hours

Environment

Temp: -37 °C

Axial Tilt: 36.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 55,829,108 km

• M1: 91,554 km (0.043 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.32 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.13

Radius: 1.58

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 3.24 AU - 3.4 AU

Year: 2316 Days

Day: 23.4 Hours

Environment

Temp: -125 °C

Axial Tilt: 33 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 55,829,108 km

• M1: 182,061 km (0.034 R)

Planet 6 - Terrestrial

Semi-Major Axis: 3.34 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.82

Radius: 0.92

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 2.97 AU - 3.71 AU

Year: 2337 Days

Day: 42.3 Hours

Environment

Temp: -115 °C

Axial Tilt: 31.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.54 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 5.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 586.4

Radius: 8.3

Gravity: 8.51 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 4.74 AU - 6.74 AU

Year: 5265 Days

Day: 7.9 Hours

Environment

Temp: -157 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 55,829,108 km

• M1: 103,821 km (0.107 R)
• M2: 381,026 km (0.12 R)
• M3: 738,565 km (0.068 R)
• M4: 1,517,820 km (0.078 R)
• M5: 1,844,093 km (0.106 R)
• M6: 2,186,522 km (0.106 R)
• M7: 3,134,674 km (0.101 R)
• M8: 3,498,047 km (0.079 R)
• M9: 4,190,087 km (0.104 R)
• M10: 4,631,999 km (0.072 R)
• M11: 5,352,761 km (0.105 R)
• M12: 7,220,042 km (0.12 R)
• M13: 8,451,980 km (0.061 R)
• M14: 8,958,220 km (0.109 R)
• M15: 10,031,285 km (0.102 R)
• M16: 10,822,957 km (0.1 R)
• M17: 11,095,824 km (0.109 R)
• M18: 11,513,800 km (0.07 R)
• M19: 12,087,358 km (0.117 R)
• M20: 13,976,331 km (0.079 R)
• M21: 15,302,067 km (0.096 R)
• M22: 18,201,423 km (0.097 R)
• M23: 18,979,781 km (0.105 R)
• M24: 21,234,520 km (0.061 R)
• M25: 22,389,416 km (0.067 R)
• M26: 22,982,422 km (0.087 R)
• M27: 23,509,754 km (0.069 R)
• M28: 25,061,084 km (0.103 R)
• M29: 28,973,368 km (0.097 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 321

Radius: 14.5

Gravity: 1.53 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 5.39 AU - 6.21 AU

Year: 5348 Days

Day: 12.2 Hours

Environment

Temp: -158 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 55,829,108 km

• M1: 180,265 km (0.091 R)
• M2: 948,750 km (0.071 R)
• M3: 1,997,281 km (0.089 R)
• M4: 2,566,052 km (0.116 R)
• M5: 3,115,824 km (0.115 R)
• M6: 4,365,715 km (0.08 R)
• M7: 5,105,476 km (0.116 R)
• M8: 6,385,884 km (0.072 R)
• M9: 6,991,756 km (0.035 R)
• M10: 8,041,334 km (0.03 R)
• M11: 9,345,080 km (0.111 R)
• M12: 11,603,110 km (0.081 R)
• M13: 12,554,553 km (0.111 R)
• M14: 13,754,327 km (0.095 R)
• M15: 16,549,264 km (0.118 R)
• M16: 17,991,089 km (0.059 R)
• M17: 18,834,372 km (0.041 R)
• M18: 19,577,873 km (0.119 R)
• M19: 20,795,301 km (0.062 R)
• M20: 21,656,835 km (0.092 R)
• M21: 22,473,191 km (0.114 R)

Planet 9 - Gas Giant

Semi-Major Axis: 9.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 837.1

Radius: 13.6

Gravity: 4.53 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 7.73 AU - 11.45 AU

Year: 11371 Days

Day: 6.6 Hours

Environment

Temp: -171 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 55,829,108 km

• M1: 171,589 km (0.108 R)
• M2: 670,049 km (0.075 R)
• M3: 7,771,759 km (0.116 R)
• M4: 9,633,056 km (0.088 R)
• M5: 12,927,500 km (0.116 R)
• M6: 14,086,734 km (0.101 R)
• M7: 16,984,594 km (0.04 R)
• M8: 17,516,415 km (0.045 R)
• M9: 18,693,451 km (0.029 R)
• M10: 19,589,692 km (0.089 R)
• M11: 21,117,684 km (0.077 R)
• M12: 29,858,837 km (0.086 R)
• M13: 33,513,813 km (0.119 R)
• M14: 35,080,252 km (0.065 R)
• M15: 43,228,848 km (0.025 R)
• M16: 46,992,132 km (0.1 R)
• M17: 52,877,312 km (0.081 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 215 - 18,713 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit