🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.16

Radius: 1.06

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 0.48 AU - 0.56 AU

Year: 141 Days

Day: 21.4 Hours

Environment

Temp: 188 °C

Axial Tilt: 16.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.76 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.65

Radius: 1.22

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 0.75 AU - 0.77 AU

Year: 248 Days

Day: 14 Hours

Environment

Temp: 99 °C

Axial Tilt: 33 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.91 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.15

Radius: 1.77

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 0.71 AU - 1.11 AU

Year: 325 Days

Day: 44.3 Hours

Environment

Temp: 28 °C

Axial Tilt: 9.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 38,343,492 km

• M1: 68,067 km (0.103 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.25 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.74

Radius: 1.25

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 1.09 AU - 1.41 AU

Year: 524 Days

Day: 18.8 Hours

Environment

Temp: -25 °C

Axial Tilt: 28.4 °

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: 3.69

Radius: 1.69

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 1.8 AU - 2.74 AU

Year: 1282 Days

Day: 18.3 Hours

Environment

Temp: -89 °C

Axial Tilt: 1.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 38,343,492 km

• M1: 2,043,058 km (0.093 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.71 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.5

Radius: 1.83

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 2.67 AU - 2.75 AU

Year: 1672 Days

Day: 13.5 Hours

Environment

Temp: -95 °C

Axial Tilt: 39.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 4.28 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.11

Radius: 1.57

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 3.99 AU - 4.57 AU

Year: 3318 Days

Day: 39.6 Hours

Environment

Temp: -129 °C

Axial Tilt: 8.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 38,343,492 km

• M1: 1,994,588 km (0.106 R)

Asteroid Belt

Center: 5.9 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 7.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 223.9

Radius: 15

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 6.11 AU - 8.93 AU

Year: 7728 Days

Day: 6.3 Hours

Environment

Temp: -173 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 38,343,492 km

• M1: 187,147 km (0.112 R)
• M2: 700,567 km (0.12 R)
• M3: 1,170,005 km (0.116 R)
• M4: 1,666,371 km (0.112 R)
• M5: 2,321,759 km (0.112 R)
• M6: 2,981,336 km (0.117 R)
• M7: 4,511,423 km (0.076 R)
• M8: 6,004,260 km (0.12 R)
• M9: 7,528,812 km (0.088 R)
• M10: 9,905,473 km (0.117 R)
• M11: 10,409,469 km (0.047 R)
• M12: 14,274,330 km (0.093 R)
• M13: 15,082,757 km (0.079 R)
• M14: 19,722,534 km (0.082 R)
• M15: 20,590,202 km (0.119 R)
• M16: 23,494,046 km (0.086 R)
• M17: 25,942,964 km (0.113 R)
• M18: 27,311,036 km (0.112 R)

Planet 9 - Ice Giant

Semi-Major Axis: 16.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 33.3

Radius: 4.9

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 14.52 AU - 18.56 AU

Year: 25208 Days

Day: 17.6 Hours

Environment

Temp: -190 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 38,343,492 km

• M1: 60,886 km (0.082 R)
• M2: 513,569 km (0.109 R)
• M3: 683,513 km (0.103 R)
• M4: 1,015,171 km (0.088 R)
• M5: 3,889,245 km (0.073 R)
• M6: 4,250,823 km (0.119 R)
• M7: 8,147,698 km (0.113 R)
• M8: 12,385,357 km (0.042 R)
• M9: 13,219,515 km (0.071 R)
• M10: 16,006,374 km (0.096 R)
• M11: 27,614,570 km (0.077 R)

Planet 10 - Ice Giant

Semi-Major Axis: 17.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 48.9

Radius: 4.5

Gravity: 2.41 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 16.84 AU - 17.6 AU

Year: 26778 Days

Day: 18.8 Hours

Environment

Temp: -199 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 38,343,492 km

• M1: 56,099 km (0.101 R)
• M2: 207,043 km (0.11 R)
• M3: 591,959 km (0.108 R)
• M4: 843,582 km (0.111 R)
• M5: 1,560,755 km (0.101 R)
• M6: 2,974,454 km (0.095 R)
• M7: 4,133,389 km (0.075 R)
• M8: 4,560,491 km (0.05 R)
• M9: 7,109,340 km (0.03 R)
• M10: 8,534,559 km (0.105 R)
• M11: 12,633,690 km (0.111 R)
• M12: 14,828,440 km (0.063 R)
• M13: 15,760,435 km (0.11 R)
• M14: 17,740,512 km (0.111 R)
• M15: 18,577,064 km (0.036 R)
• M16: 20,782,735 km (0.115 R)
• M17: 20,935,624 km (0.117 R)
• M18: 35,871,774 km (0.083 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 327 - 20,222 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit