🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.69

Radius: 0.86

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 0.59 AU - 0.73 AU

Year: 191 Days

Day: 16 Hours

Environment

Temp: 231 °C

Axial Tilt: 4.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 36,824,736 km

• M1: 217,964 km (0.104 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.77 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.87

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 0.71 AU - 0.83 AU

Year: 241 Days

Day: 35.8 Hours

Environment

Temp: 117 °C

Axial Tilt: 114.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.86 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.35

Radius: 1.62

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 0.77 AU - 0.95 AU

Year: 284 Days

Day: 23.2 Hours

Environment

Temp: 160 °C

Axial Tilt: 33.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.07 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.24

Radius: 1.09

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.84 AU - 1.3 AU

Year: 395 Days

Day: 24.5 Hours

Environment

Temp: 43 °C

Axial Tilt: 101.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.56

Radius: 0.79

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 2.2 AU - 2.34 AU

Year: 1219 Days

Day: 43.1 Hours

Environment

Temp: -76 °C

Axial Tilt: 35.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.76 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.72

Radius: 0.88

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 2.35 AU - 3.17 AU

Year: 1634 Days

Day: 15.2 Hours

Environment

Temp: -81 °C

Axial Tilt: 26.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.65 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 6.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 862.6

Radius: 14.5

Gravity: 4.1 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 5.67 AU - 7.39 AU

Year: 5948 Days

Day: 13.1 Hours

Environment

Temp: -141 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 36,824,736 km

• M1: 180,415 km (0.088 R)
• M2: 749,485 km (0.061 R)
• M3: 1,385,276 km (0.046 R)
• M4: 1,894,059 km (0.095 R)
• M5: 2,546,904 km (0.062 R)
• M6: 3,283,374 km (0.104 R)
• M7: 3,914,378 km (0.062 R)
• M8: 4,413,885 km (0.038 R)
• M9: 5,185,212 km (0.096 R)
• M10: 5,853,017 km (0.12 R)
• M11: 6,307,495 km (0.069 R)
• M12: 6,962,135 km (0.058 R)
• M13: 8,489,530 km (0.108 R)
• M14: 9,507,693 km (0.059 R)
• M15: 10,277,075 km (0.062 R)
• M16: 11,087,596 km (0.104 R)
• M17: 12,304,126 km (0.115 R)
• M18: 13,053,910 km (0.111 R)
• M19: 14,527,000 km (0.087 R)
• M20: 15,982,887 km (0.09 R)
• M21: 22,630,867 km (0.072 R)
• M22: 24,085,856 km (0.099 R)
• M23: 28,824,967 km (0.088 R)
• M24: 31,020,166 km (0.108 R)

Planet 8 - Gas Giant

Semi-Major Axis: 12.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 190.6

Radius: 12.7

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 9.07 AU - 15.03 AU

Year: 14910 Days

Day: 9.9 Hours

Environment

Temp: -178 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 36,824,736 km

• M1: 158,275 km (0.09 R)
• M2: 1,032,076 km (0.073 R)
• M3: 1,714,990 km (0.069 R)
• M4: 2,235,441 km (0.067 R)
• M5: 3,065,709 km (0.089 R)
• M6: 5,878,299 km (0.105 R)
• M7: 7,112,780 km (0.051 R)
• M8: 9,166,909 km (0.117 R)
• M9: 9,995,232 km (0.11 R)
• M10: 10,427,720 km (0.098 R)
• M11: 12,121,915 km (0.11 R)
• M12: 12,837,442 km (0.099 R)
• M13: 13,697,779 km (0.057 R)
• M14: 15,469,617 km (0.076 R)
• M15: 16,114,683 km (0.091 R)
• M16: 16,643,661 km (0.094 R)
• M17: 24,791,210 km (0.092 R)
• M18: 25,496,713 km (0.078 R)
• M19: 29,717,019 km (0.11 R)
• M20: 38,565,733 km (0.081 R)
• M21: 40,840,817 km (0.1 R)

Planet 9 - Ice Giant

Semi-Major Axis: 13.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 108

Radius: 3.7

Gravity: 7.89 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 10.27 AU - 15.99 AU

Year: 16959 Days

Day: 15.9 Hours

Environment

Temp: -178 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 36,824,736 km

• M1: 46,525 km (0.093 R)
• M2: 246,537 km (0.108 R)
• M3: 722,707 km (0.099 R)
• M4: 862,133 km (0.073 R)
• M5: 2,112,322 km (0.083 R)
• M6: 2,790,449 km (0.04 R)
• M7: 2,909,379 km (0.111 R)
• M8: 3,265,123 km (0.113 R)
• M9: 3,840,177 km (0.065 R)
• M10: 7,638,018 km (0.115 R)
• M11: 7,871,690 km (0.097 R)
• M12: 9,915,048 km (0.03 R)
• M13: 12,607,061 km (0.118 R)
• M14: 13,489,539 km (0.087 R)
• M15: 17,232,328 km (0.108 R)
• M16: 24,432,324 km (0.072 R)
• M17: 36,057,724 km (0.069 R)

Kuiper Belt

Range: 30.8 - 52.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 214 - 12,360 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit