🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.47

Radius: 1.44

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 0.5 AU - 0.54 AU

Year: 139 Days

Day: 19.5 Hours

Environment

Temp: 227 °C

Axial Tilt: 35.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.14

Radius: 0.46

Gravity: 0.66 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 0.55 AU - 0.65 AU

Year: 172 Days

Day: 45.4 Hours

Environment

Temp: 133 °C

Axial Tilt: 38 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 71,227,143 km

• M1: 15,109 km (0.088 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.85 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.05

Radius: 1.56

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 0.66 AU - 1.04 AU

Year: 291 Days

Day: 38.3 Hours

Environment

Temp: 122 °C

Axial Tilt: 17.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.67

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 1.15 AU - 1.89 AU

Year: 695 Days

Day: 17.5 Hours

Environment

Temp: -48 °C

Axial Tilt: 10.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.98

Radius: 1.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 1.48 AU - 2.2 AU

Year: 926 Days

Day: 30.3 Hours

Environment

Temp: -72 °C

Axial Tilt: 19.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 71,227,143 km

• M1: 734,077 km (0.051 R)
• M2: 1,388,119 km (0.091 R)

Planet 6 - Terrestrial

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.75

Radius: 1.5

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 1.55 AU - 2.25 AU

Year: 971 Days

Day: 25.4 Hours

Environment

Temp: -75 °C

Axial Tilt: 10.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.14 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 8.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 128.3

Radius: 13.1

Gravity: 0.75 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 7.64 AU - 9.1 AU

Year: 8980 Days

Day: 11.4 Hours

Environment

Temp: -167 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 71,227,143 km

• M1: 172,786 km (0.099 R)
• M2: 629,657 km (0.114 R)
• M3: 1,213,538 km (0.104 R)
• M4: 1,936,844 km (0.071 R)
• M5: 6,505,263 km (0.117 R)
• M6: 7,000,881 km (0.104 R)
• M7: 7,554,992 km (0.065 R)
• M8: 8,351,301 km (0.088 R)
• M9: 10,111,470 km (0.085 R)
• M10: 10,992,452 km (0.075 R)
• M11: 12,668,546 km (0.1 R)
• M12: 15,196,600 km (0.093 R)
• M13: 17,155,136 km (0.113 R)
• M14: 17,983,908 km (0.098 R)
• M15: 19,088,539 km (0.117 R)
• M16: 21,096,142 km (0.118 R)
• M17: 22,463,915 km (0.081 R)
• M18: 24,923,604 km (0.03 R)

Planet 8 - Gas Giant

Semi-Major Axis: 10.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 386.3

Radius: 9.8

Gravity: 4.02 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 10.62 AU - 11.1 AU

Year: 13272 Days

Day: 10.7 Hours

Environment

Temp: -185 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 71,227,143 km

• M1: 123,269 km (0.096 R)
• M2: 709,842 km (0.103 R)
• M3: 1,836,314 km (0.119 R)
• M4: 4,645,313 km (0.085 R)
• M5: 5,430,852 km (0.108 R)
• M6: 6,487,312 km (0.112 R)
• M7: 11,272,798 km (0.109 R)
• M8: 15,522,574 km (0.111 R)
• M9: 18,376,752 km (0.11 R)
• M10: 19,375,019 km (0.11 R)
• M11: 20,652,884 km (0.1 R)
• M12: 33,752,870 km (0.081 R)
• M13: 41,934,228 km (0.11 R)
• M14: 42,593,057 km (0.118 R)
• M15: 47,399,487 km (0.09 R)

Planet 9 - Ice Giant

Semi-Major Axis: 14.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 510.3

Radius: 7.5

Gravity: 9.07 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 11.35 AU - 18.13 AU

Year: 20987 Days

Day: 19.6 Hours

Environment

Temp: -200 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 71,227,143 km

• M1: 119,828 km (0.11 R)
• M2: 612,603 km (0.119 R)
• M3: 925,263 km (0.115 R)
• M4: 1,416,991 km (0.043 R)
• M5: 2,468,215 km (0.098 R)
• M6: 4,248,280 km (0.105 R)
• M7: 5,363,383 km (0.089 R)
• M8: 5,670,358 km (0.108 R)
• M9: 6,662,192 km (0.11 R)
• M10: 8,359,978 km (0.09 R)
• M11: 8,825,975 km (0.098 R)
• M12: 9,809,581 km (0.109 R)
• M13: 10,269,445 km (0.09 R)
• M14: 10,623,693 km (0.042 R)
• M15: 10,864,396 km (0.073 R)
• M16: 12,585,519 km (0.087 R)
• M17: 15,845,556 km (0.066 R)
• M18: 20,082,766 km (0.078 R)
• M19: 20,918,121 km (0.092 R)
• M20: 21,583,682 km (0.116 R)
• M21: 22,956,990 km (0.06 R)
• M22: 23,563,161 km (0.115 R)
• M23: 26,313,368 km (0.045 R)
• M24: 26,865,683 km (0.089 R)
• M25: 31,690,514 km (0.092 R)
• M26: 39,027,990 km (0.07 R)
• M27: 43,470,748 km (0.041 R)
• M28: 46,935,135 km (0.051 R)
• M29: 48,239,180 km (0.031 R)
• M30: 49,066,456 km (0.066 R)
• M31: 49,735,009 km (0.071 R)
• M32: 55,665,218 km (0.108 R)
• M33: 63,818,003 km (0.041 R)
• M34: 69,743,724 km (0.12 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: 197 - 19,122 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit