🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.71 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.38

Radius: 1.41

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 0.59 AU - 0.83 AU

Year: 216 Days

Day: 16.5 Hours

Environment

Temp: 158 °C

Axial Tilt: 94.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.8 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.24

Radius: 1.38

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 0.64 AU - 0.96 AU

Year: 259 Days

Day: 43.8 Hours

Environment

Temp: 124 °C

Axial Tilt: 37.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.36 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.06

Radius: 1.02

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 1.08 AU - 1.64 AU

Year: 574 Days

Day: 36.5 Hours

Environment

Temp: 6 °C

Axial Tilt: 26.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.83

Radius: 1.88

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 1.74 AU - 1.78 AU

Year: 844 Days

Day: 36 Hours

Environment

Temp: -51 °C

Axial Tilt: 9.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.01 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.56

Radius: 1.66

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 2.79 AU - 3.23 AU

Year: 1889 Days

Day: 16.7 Hours

Environment

Temp: -93 °C

Axial Tilt: 4.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 98,946,797 km

• M1: 63,729 km (0.119 R)

Planet 6 - Terrestrial

Semi-Major Axis: 3.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.77

Radius: 0.9

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 3.16 AU - 4.02 AU

Year: 2460 Days

Day: 29 Hours

Environment

Temp: -118 °C

Axial Tilt: 18.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 98,946,797 km

• M1: 26,778 km (0.117 R)
• M2: 39,494 km (0.086 R)

Asteroid Belt

Center: 5.25 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 6.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 942.7

Radius: 14.4

Gravity: 4.55 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 6.28 AU - 7.54 AU

Year: 6569 Days

Day: 5.9 Hours

Environment

Temp: -147 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 98,946,797 km

• M1: 181,612 km (0.077 R)
• M2: 686,505 km (0.083 R)
• M3: 1,481,169 km (0.104 R)
• M4: 2,311,287 km (0.094 R)
• M5: 3,129,587 km (0.09 R)
• M6: 4,396,981 km (0.119 R)
• M7: 6,321,258 km (0.08 R)
• M8: 9,105,574 km (0.101 R)
• M9: 11,347,746 km (0.059 R)
• M10: 12,189,085 km (0.059 R)
• M11: 16,040,931 km (0.085 R)
• M12: 17,856,451 km (0.096 R)
• M13: 18,634,210 km (0.119 R)
• M14: 20,947,891 km (0.119 R)
• M15: 23,615,071 km (0.044 R)
• M16: 25,781,099 km (0.041 R)
• M17: 26,592,368 km (0.084 R)
• M18: 31,515,035 km (0.089 R)
• M19: 35,335,167 km (0.09 R)
• M20: 37,585,717 km (0.085 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 344.6

Radius: 5.8

Gravity: 10.24 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 14.73 AU - 16.11 AU

Year: 21899 Days

Day: 15.7 Hours

Environment

Temp: -192 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 98,946,797 km

• M1: 74,201 km (0.097 R)
• M2: 533,765 km (0.104 R)
• M3: 873,951 km (0.062 R)
• M4: 1,754,484 km (0.083 R)
• M5: 2,098,409 km (0.085 R)
• M6: 2,801,819 km (0.065 R)
• M7: 5,213,336 km (0.092 R)
• M8: 6,363,295 km (0.091 R)
• M9: 7,443,392 km (0.051 R)
• M10: 8,792,166 km (0.053 R)
• M11: 9,153,295 km (0.039 R)
• M12: 10,467,064 km (0.069 R)
• M13: 12,666,003 km (0.112 R)
• M14: 12,862,126 km (0.047 R)
• M15: 16,128,745 km (0.11 R)
• M16: 16,748,230 km (0.116 R)
• M17: 18,533,531 km (0.109 R)
• M18: 19,821,119 km (0.09 R)
• M19: 24,745,881 km (0.092 R)
• M20: 33,073,247 km (0.078 R)
• M21: 35,998,484 km (0.039 R)
• M22: 36,789,108 km (0.086 R)
• M23: 41,344,962 km (0.026 R)
• M24: 43,386,374 km (0.109 R)
• M25: 45,954,372 km (0.116 R)
• M26: 49,587,505 km (0.061 R)

Planet 9 - Ice Giant

Semi-Major Axis: 18.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 754.2

Radius: 6.7

Gravity: 16.8 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 14.26 AU - 22.3 AU

Year: 28265 Days

Day: 16.8 Hours

Environment

Temp: -193 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 98,946,797 km

• M1: 85,121 km (0.114 R)
• M2: 577,597 km (0.088 R)
• M3: 805,136 km (0.025 R)
• M4: 1,107,623 km (0.113 R)
• M5: 2,519,527 km (0.099 R)
• M6: 3,384,053 km (0.099 R)
• M7: 4,930,447 km (0.072 R)
• M8: 8,109,401 km (0.106 R)
• M9: 11,292,395 km (0.028 R)
• M10: 12,967,592 km (0.064 R)
• M11: 13,197,674 km (0.087 R)
• M12: 20,284,723 km (0.039 R)
• M13: 23,304,955 km (0.067 R)
• M14: 28,765,277 km (0.106 R)
• M15: 30,623,881 km (0.043 R)
• M16: 31,860,008 km (0.106 R)
• M17: 34,138,982 km (0.088 R)
• M18: 34,725,406 km (0.076 R)
• M19: 35,318,412 km (0.108 R)
• M20: 43,825,594 km (0.038 R)
• M21: 45,570,354 km (0.118 R)
• M22: 46,639,231 km (0.03 R)
• M23: 59,732,784 km (0.079 R)
• M24: 68,147,365 km (0.074 R)
• M25: 78,329,146 km (0.113 R)

Kuiper Belt

Range: 30.3 - 45.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 173 - 13,912 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit