🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.78 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.34

Radius: 1.62

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 0.59 AU - 0.97 AU

Year: 244 Days

Day: 45.8 Hours

Environment

Temp: 109 °C

Axial Tilt: 28.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.82 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.26

Radius: 0.58

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 0.67 AU - 0.97 AU

Year: 263 Days

Day: 26.1 Hours

Environment

Temp: 101 °C

Axial Tilt: 25.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.94 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.08

Radius: 1.34

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.71 AU - 1.17 AU

Year: 323 Days

Day: 30.4 Hours

Environment

Temp: 122 °C

Axial Tilt: 74.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.76

Radius: 1.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 1.42 AU - 2.26 AU

Year: 885 Days

Day: 21.6 Hours

Environment

Temp: -39 °C

Axial Tilt: 16.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.04 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.41

Radius: 0.7

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 4.04 AU - 4.04 AU

Year: 2881 Days

Day: 14.7 Hours

Environment

Temp: -114 °C

Axial Tilt: 7.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.1 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.96

Radius: 1.73

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 3.71 AU - 4.49 AU

Year: 2945 Days

Day: 45.9 Hours

Environment

Temp: -111 °C

Axial Tilt: 19.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 5.09 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.52

Radius: 1.45

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 4.33 AU - 5.85 AU

Year: 4074 Days

Day: 38.5 Hours

Environment

Temp: -124 °C

Axial Tilt: 16.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.66 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 8.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 370.8

Radius: 12.9

Gravity: 2.23 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 7.98 AU - 8.46 AU

Year: 8361 Days

Day: 12.1 Hours

Environment

Temp: -157 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 98,495,839 km

• M1: 160,369 km (0.06 R)
• M2: 569,369 km (0.062 R)
• M3: 1,064,538 km (0.048 R)
• M4: 2,538,825 km (0.07 R)
• M5: 3,180,900 km (0.055 R)
• M6: 3,675,021 km (0.038 R)
• M7: 4,146,255 km (0.111 R)
• M8: 4,578,443 km (0.118 R)
• M9: 5,012,725 km (0.103 R)
• M10: 5,594,362 km (0.111 R)
• M11: 8,504,789 km (0.116 R)
• M12: 9,637,394 km (0.104 R)
• M13: 12,459,408 km (0.071 R)
• M14: 13,751,186 km (0.069 R)
• M15: 14,487,207 km (0.113 R)
• M16: 16,161,656 km (0.055 R)
• M17: 18,095,358 km (0.049 R)
• M18: 19,963,686 km (0.093 R)
• M19: 20,541,134 km (0.089 R)
• M20: 20,981,401 km (0.092 R)
• M21: 22,417,839 km (0.096 R)
• M22: 23,041,812 km (0.104 R)
• M23: 29,375,337 km (0.092 R)

Planet 9 - Ice Giant

Semi-Major Axis: 19.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 683.1

Radius: 6.3

Gravity: 17.21 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 18.31 AU - 19.79 AU

Year: 29497 Days

Day: 24.2 Hours

Environment

Temp: -203 °C

Axial Tilt: 49 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 98,495,839 km

• M1: 123,269 km (0.078 R)
• M2: 354,248 km (0.089 R)
• M3: 570,417 km (0.1 R)
• M4: 796,908 km (0.045 R)
• M5: 1,616,106 km (0.103 R)
• M6: 2,262,069 km (0.102 R)
• M7: 2,925,985 km (0.05 R)
• M8: 3,273,201 km (0.073 R)
• M9: 6,329,935 km (0.037 R)
• M10: 7,317,879 km (0.058 R)
• M11: 7,848,802 km (0.056 R)
• M12: 8,404,857 km (0.089 R)
• M13: 10,231,298 km (0.106 R)
• M14: 12,528,822 km (0.063 R)
• M15: 14,483,019 km (0.054 R)
• M16: 16,363,464 km (0.049 R)
• M17: 18,984,419 km (0.081 R)
• M18: 19,480,186 km (0.084 R)
• M19: 21,656,985 km (0.113 R)
• M20: 22,417,241 km (0.089 R)
• M21: 23,082,951 km (0.119 R)
• M22: 23,876,119 km (0.077 R)
• M23: 25,516,759 km (0.096 R)
• M24: 26,242,458 km (0.11 R)
• M25: 27,861,706 km (0.106 R)
• M26: 30,346,377 km (0.098 R)
• M27: 31,850,284 km (0.101 R)
• M28: 36,052,488 km (0.091 R)
• M29: 37,894,337 km (0.08 R)
• M30: 41,432,327 km (0.084 R)
• M31: 41,931,236 km (0.077 R)
• M32: 48,786,558 km (0.035 R)
• M33: 69,225,966 km (0.095 R)
• M34: 73,027,098 km (0.093 R)
• M35: 78,477,547 km (0.089 R)
• M36: 87,424,248 km (0.072 R)
• M37: 92,991,981 km (0.115 R)
• M38: 94,133,114 km (0.115 R)
• M39: 97,612,760 km (0.056 R)
• M40: 97,906,570 km (0.112 R)

Kuiper Belt

Range: 30.9 - 47.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 300 - 15,037 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit