🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.64

Radius: 1.68

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 0.63 AU - 0.63 AU

Year: 186 Days

Day: 43.5 Hours

Environment

Temp: 145 °C

Axial Tilt: 2.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.72

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 1.4 AU - 1.46 AU

Year: 637 Days

Day: 15.8 Hours

Environment

Temp: -47 °C

Axial Tilt: 3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.97

Radius: 0.99

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 1.17 AU - 1.89 AU

Year: 705 Days

Day: 24.6 Hours

Environment

Temp: -37 °C

Axial Tilt: 20.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.45

Radius: 0.73

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 1.87 AU - 2.17 AU

Year: 1070 Days

Day: 33.3 Hours

Environment

Temp: -72 °C

Axial Tilt: 45.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.84 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.36

Radius: 1.62

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 2.28 AU - 3.4 AU

Year: 1784 Days

Day: 13 Hours

Environment

Temp: -98 °C

Axial Tilt: 29.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.37 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.12

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 3.56 AU - 5.18 AU

Year: 3405 Days

Day: 39.9 Hours

Environment

Temp: -133 °C

Axial Tilt: 29 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.39 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 6.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 756

Radius: 14.4

Gravity: 3.65 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 5.54 AU - 7.26 AU

Year: 6036 Days

Day: 13.8 Hours

Environment

Temp: -167 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 75,911,105 km

• M1: 179,069 km (0.108 R)
• M2: 755,918 km (0.092 R)
• M3: 1,562,550 km (0.089 R)
• M4: 2,110,527 km (0.11 R)
• M5: 2,694,856 km (0.071 R)
• M6: 3,197,954 km (0.094 R)
• M7: 4,023,285 km (0.113 R)
• M8: 4,685,256 km (0.099 R)
• M9: 7,153,770 km (0.114 R)
• M10: 7,630,838 km (0.074 R)
• M11: 9,319,947 km (0.063 R)
• M12: 9,890,065 km (0.088 R)
• M13: 10,908,228 km (0.089 R)
• M14: 13,536,962 km (0.115 R)
• M15: 14,850,880 km (0.048 R)
• M16: 17,665,414 km (0.066 R)
• M17: 19,374,121 km (0.043 R)
• M18: 29,228,133 km (0.058 R)

Planet 8 - Gas Giant

Semi-Major Axis: 11.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 400.9

Radius: 13.9

Gravity: 2.07 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 10.63 AU - 11.49 AU

Year: 13712 Days

Day: 8.5 Hours

Environment

Temp: -179 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 75,911,105 km

• M1: 172,935 km (0.111 R)
• M2: 980,913 km (0.086 R)
• M3: 1,544,598 km (0.118 R)
• M4: 2,060,112 km (0.111 R)
• M5: 2,965,030 km (0.079 R)
• M6: 5,260,011 km (0.077 R)
• M7: 6,081,602 km (0.059 R)
• M8: 6,637,508 km (0.108 R)
• M9: 7,472,862 km (0.093 R)
• M10: 8,972,731 km (0.084 R)
• M11: 9,596,554 km (0.119 R)
• M12: 14,871,674 km (0.077 R)
• M13: 17,378,485 km (0.08 R)
• M14: 18,887,030 km (0.089 R)
• M15: 21,991,037 km (0.046 R)
• M16: 24,485,731 km (0.086 R)
• M17: 25,043,880 km (0.103 R)
• M18: 26,769,492 km (0.051 R)
• M19: 29,714,625 km (0.094 R)
• M20: 31,757,534 km (0.025 R)
• M21: 33,094,939 km (0.053 R)
• M22: 36,121,453 km (0.116 R)
• M23: 37,210,675 km (0.106 R)
• M24: 38,822,592 km (0.076 R)
• M25: 39,709,558 km (0.063 R)
• M26: 43,937,493 km (0.072 R)

Planet 9 - Ice Giant

Semi-Major Axis: 13.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 863

Radius: 7.7

Gravity: 14.56 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 10.76 AU - 15.52 AU

Year: 17756 Days

Day: 23.8 Hours

Environment

Temp: -179 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 75,911,105 km

• M1: 95,892 km (0.049 R)
• M2: 436,377 km (0.081 R)
• M3: 881,281 km (0.049 R)
• M4: 1,224,459 km (0.076 R)
• M5: 1,689,708 km (0.101 R)
• M6: 2,580,114 km (0.082 R)
• M7: 5,282,899 km (0.056 R)
• M8: 7,967,134 km (0.12 R)
• M9: 11,511,107 km (0.04 R)
• M10: 14,062,499 km (0.064 R)
• M11: 14,359,152 km (0.069 R)
• M12: 14,811,835 km (0.117 R)
• M13: 17,304,434 km (0.103 R)
• M14: 19,877,219 km (0.074 R)
• M15: 29,589,262 km (0.058 R)
• M16: 36,074,031 km (0.104 R)
• M17: 37,475,613 km (0.042 R)
• M18: 37,903,164 km (0.095 R)
• M19: 39,205,114 km (0.101 R)
• M20: 46,655,836 km (0.08 R)
• M21: 47,982,919 km (0.096 R)
• M22: 50,538,649 km (0.105 R)
• M23: 51,060,446 km (0.104 R)
• M24: 54,814,305 km (0.102 R)
• M25: 57,039,873 km (0.106 R)
• M26: 70,582,370 km (0.108 R)
• M27: 75,230,824 km (0.065 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: 249 - 12,990 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit