🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.05

Radius: 1.33

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 0.56 AU - 0.72 AU

Year: 228 Days

Day: 44.4 Hours

Environment

Temp: -11 °C

Axial Tilt: 15.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.9

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.67 AU - 1.03 AU

Year: 350 Days

Day: 32.5 Hours

Environment

Temp: -56 °C

Axial Tilt: 28.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.2

Radius: 1.37

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 1.04 AU - 1.48 AU

Year: 631 Days

Day: 38.8 Hours

Environment

Temp: -79 °C

Axial Tilt: 21.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 59,263,921 km

• M1: 32,463 km (0.116 R)
• M2: 724,652 km (0.087 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.62

Radius: 1.21

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 1.5 AU - 1.96 AU

Year: 1015 Days

Day: 24.1 Hours

Environment

Temp: -108 °C

Axial Tilt: 21.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 59,263,921 km

• M1: 32,313 km (0.054 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.42

Radius: 1.42

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 1.4 AU - 2.08 AU

Year: 1024 Days

Day: 23 Hours

Environment

Temp: -104 °C

Axial Tilt: 8.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2

Radius: 1.32

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 1.5 AU - 2.08 AU

Year: 1069 Days

Day: 44.7 Hours

Environment

Temp: -126 °C

Axial Tilt: 4.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.59 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 3.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 465.3

Radius: 9.2

Gravity: 5.5 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 2.98 AU - 3.8 AU

Year: 2785 Days

Day: 9.4 Hours

Environment

Temp: -148 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 59,263,921 km

• M1: 114,442 km (0.093 R)
• M2: 705,055 km (0.066 R)
• M3: 1,078,750 km (0.049 R)
• M4: 1,381,387 km (0.09 R)
• M5: 2,176,799 km (0.096 R)
• M6: 2,525,062 km (0.118 R)
• M7: 2,833,384 km (0.109 R)
• M8: 3,183,443 km (0.104 R)
• M9: 4,515,612 km (0.049 R)
• M10: 5,294,717 km (0.093 R)
• M11: 5,654,800 km (0.11 R)
• M12: 7,031,998 km (0.12 R)
• M13: 7,467,926 km (0.116 R)
• M14: 8,587,815 km (0.073 R)
• M15: 9,120,085 km (0.114 R)
• M16: 9,568,579 km (0.086 R)
• M17: 12,829,813 km (0.111 R)
• M18: 14,246,355 km (0.119 R)
• M19: 15,423,391 km (0.079 R)
• M20: 16,360,472 km (0.042 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 732.5

Radius: 13.5

Gravity: 4.02 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 4.42 AU - 5.92 AU

Year: 5246 Days

Day: 12.5 Hours

Environment

Temp: -182 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 59,263,921 km

• M1: 167,998 km (0.113 R)
• M2: 820,245 km (0.088 R)
• M3: 1,246,449 km (0.093 R)
• M4: 1,774,231 km (0.025 R)
• M5: 2,760,380 km (0.119 R)
• M6: 3,763,583 km (0.079 R)
• M7: 4,252,170 km (0.063 R)
• M8: 5,707,458 km (0.038 R)
• M9: 7,295,589 km (0.081 R)
• M10: 9,921,181 km (0.103 R)
• M11: 11,518,288 km (0.039 R)
• M12: 12,054,148 km (0.07 R)
• M13: 12,760,100 km (0.117 R)
• M14: 14,929,867 km (0.073 R)
• M15: 19,302,015 km (0.106 R)
• M16: 19,920,004 km (0.108 R)
• M17: 20,409,637 km (0.085 R)
• M18: 21,779,505 km (0.107 R)
• M19: 23,441,238 km (0.083 R)
• M20: 24,621,715 km (0.117 R)
• M21: 27,357,860 km (0.095 R)
• M22: 28,138,013 km (0.092 R)

Planet 9 - Gas Giant

Semi-Major Axis: 6.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 399.5

Radius: 12.7

Gravity: 2.48 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 5.37 AU - 8.49 AU

Year: 8141 Days

Day: 13.8 Hours

Environment

Temp: -185 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 59,263,921 km

• M1: 165,754 km (0.053 R)
• M2: 603,328 km (0.117 R)
• M3: 1,406,968 km (0.051 R)
• M4: 1,976,188 km (0.091 R)
• M5: 2,570,989 km (0.082 R)
• M6: 3,078,425 km (0.107 R)
• M7: 4,247,084 km (0.088 R)
• M8: 4,768,432 km (0.089 R)
• M9: 5,450,449 km (0.087 R)
• M10: 9,747,199 km (0.105 R)
• M11: 18,087,280 km (0.053 R)
• M12: 19,462,384 km (0.112 R)
• M13: 21,654,142 km (0.07 R)
• M14: 30,525,894 km (0.083 R)
• M15: 32,971,072 km (0.086 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 625.5

Radius: 7.1

Gravity: 12.41 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 9.47 AU - 10.79 AU

Year: 14387 Days

Day: 19.8 Hours

Environment

Temp: -191 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 59,263,921 km

• M1: 93,050 km (0.102 R)
• M2: 335,249 km (0.091 R)
• M3: 660,175 km (0.119 R)
• M4: 1,429,557 km (0.111 R)
• M5: 2,476,294 km (0.095 R)
• M6: 4,892,299 km (0.119 R)
• M7: 5,848,230 km (0.069 R)
• M8: 6,510,649 km (0.067 R)
• M9: 7,265,520 km (0.117 R)
• M10: 11,455,906 km (0.085 R)
• M11: 12,365,760 km (0.051 R)
• M12: 14,604,941 km (0.114 R)
• M13: 16,339,379 km (0.028 R)
• M14: 16,717,263 km (0.031 R)
• M15: 25,555,655 km (0.082 R)
• M16: 27,103,993 km (0.066 R)
• M17: 34,911,954 km (0.079 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 149 - 18,302 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit