🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.93

Radius: 1.3

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 0.5 AU - 0.62 AU

Year: 160 Days

Day: 25.1 Hours

Environment

Temp: 128 °C

Axial Tilt: 35.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.92 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.01

Radius: 1.32

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.73 AU - 1.11 AU

Year: 336 Days

Day: 39 Hours

Environment

Temp: 32 °C

Axial Tilt: 3.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.01 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.6

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 0.9 AU - 1.12 AU

Year: 387 Days

Day: 37.3 Hours

Environment

Temp: -5 °C

Axial Tilt: 35.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 89,418,550 km

• M1: 244,293 km (0.085 R)
• M2: 284,834 km (0.115 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.55

Radius: 1.83

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 1.27 AU - 1.79 AU

Year: 721 Days

Day: 35.7 Hours

Environment

Temp: -63 °C

Axial Tilt: 23.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.61

Radius: 0.82

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 1.63 AU - 2.21 AU

Year: 1013 Days

Day: 47.5 Hours

Environment

Temp: -76 °C

Axial Tilt: 49.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.64

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 3.23 AU - 3.83 AU

Year: 2526 Days

Day: 32.6 Hours

Environment

Temp: -134 °C

Axial Tilt: 20.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 89,418,550 km

• M1: 130,449 km (0.109 R)

Asteroid Belt

Center: 4.31 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 5.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 975.6

Radius: 13.9

Gravity: 5.05 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 3.87 AU - 6.31 AU

Year: 4373 Days

Day: 12.9 Hours

Environment

Temp: -142 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 89,418,550 km

• M1: 175,329 km (0.069 R)
• M2: 638,484 km (0.115 R)
• M3: 1,084,435 km (0.104 R)
• M4: 1,555,219 km (0.077 R)
• M5: 3,807,864 km (0.033 R)
• M6: 4,467,292 km (0.085 R)
• M7: 5,146,915 km (0.102 R)
• M8: 7,289,904 km (0.039 R)
• M9: 7,788,813 km (0.109 R)
• M10: 9,259,061 km (0.096 R)
• M11: 9,717,578 km (0.103 R)
• M12: 10,770,598 km (0.072 R)
• M13: 11,466,527 km (0.106 R)
• M14: 13,000,205 km (0.058 R)
• M15: 13,682,520 km (0.112 R)
• M16: 20,448,683 km (0.087 R)
• M17: 23,997,593 km (0.067 R)
• M18: 25,428,197 km (0.102 R)
• M19: 28,546,714 km (0.106 R)
• M20: 30,061,692 km (0.089 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 146.9

Radius: 14.7

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 3.93 AU - 6.35 AU

Year: 4438 Days

Day: 12.7 Hours

Environment

Temp: -145 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 89,418,550 km

• M1: 185,651 km (0.072 R)
• M2: 651,200 km (0.111 R)
• M3: 1,223,561 km (0.106 R)
• M4: 1,821,354 km (0.104 R)
• M5: 2,531,046 km (0.051 R)
• M6: 3,082,015 km (0.05 R)
• M7: 4,174,828 km (0.09 R)
• M8: 5,037,858 km (0.034 R)
• M9: 6,473,997 km (0.114 R)
• M10: 7,119,811 km (0.054 R)
• M11: 7,690,378 km (0.092 R)
• M12: 8,446,745 km (0.062 R)
• M13: 9,185,758 km (0.057 R)
• M14: 10,720,183 km (0.078 R)
• M15: 11,939,256 km (0.059 R)
• M16: 13,462,013 km (0.103 R)
• M17: 14,652,513 km (0.115 R)
• M18: 15,250,157 km (0.117 R)
• M19: 16,396,525 km (0.032 R)

Planet 9 - Ice Giant

Semi-Major Axis: 18.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 489.1

Radius: 4.9

Gravity: 20.37 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 13.83 AU - 23.05 AU

Year: 30153 Days

Day: 19.7 Hours

Environment

Temp: -199 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 89,418,550 km

• M1: 153,039 km (0.097 R)
• M2: 356,492 km (0.112 R)
• M3: 523,593 km (0.102 R)
• M4: 1,375,104 km (0.104 R)
• M5: 2,621,254 km (0.115 R)
• M6: 3,604,112 km (0.097 R)
• M7: 3,794,400 km (0.038 R)
• M8: 4,160,915 km (0.078 R)
• M9: 4,810,918 km (0.109 R)
• M10: 7,265,071 km (0.116 R)
• M11: 8,203,648 km (0.06 R)
• M12: 9,338,348 km (0.093 R)
• M13: 10,129,571 km (0.088 R)
• M14: 11,984,136 km (0.081 R)
• M15: 14,605,839 km (0.079 R)
• M16: 15,172,366 km (0.097 R)
• M17: 17,495,621 km (0.056 R)
• M18: 22,618,001 km (0.11 R)
• M19: 23,048,993 km (0.103 R)
• M20: 23,485,519 km (0.116 R)
• M21: 39,597,210 km (0.085 R)
• M22: 43,784,006 km (0.067 R)
• M23: 44,453,157 km (0.12 R)
• M24: 47,023,547 km (0.112 R)
• M25: 48,256,234 km (0.113 R)
• M26: 58,700,559 km (0.119 R)
• M27: 59,718,572 km (0.06 R)
• M28: 60,955,597 km (0.089 R)
• M29: 63,480,959 km (0.115 R)
• M30: 75,710,286 km (0.068 R)
• M31: 88,084,872 km (0.092 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 427 - 13,748 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit