🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.87

Radius: 1.28

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 0.6 AU - 0.64 AU

Year: 177 Days

Day: 37.5 Hours

Environment

Temp: 179 °C

Axial Tilt: 18.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.25

Radius: 1.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 0.62 AU - 0.7 AU

Year: 195 Days

Day: 16.1 Hours

Environment

Temp: 138 °C

Axial Tilt: 39.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 64,949,196 km

• M1: 82,877 km (0.094 R)
• M2: 140,024 km (0.099 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.07 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.71

Radius: 1.24

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 0.96 AU - 1.18 AU

Year: 402 Days

Day: 47.4 Hours

Environment

Temp: 20 °C

Axial Tilt: 12.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.35

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 1.74 AU - 2.56 AU

Year: 1146 Days

Day: 20.3 Hours

Environment

Temp: -68 °C

Axial Tilt: 7.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.74 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.4

Radius: 1.14

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 2.32 AU - 3.16 AU

Year: 1648 Days

Day: 17 Hours

Environment

Temp: -100 °C

Axial Tilt: 19.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 64,949,196 km

• M1: 435,629 km (0.084 R)
• M2: 605,871 km (0.025 R)

Planet 6 - Terrestrial

Semi-Major Axis: 4.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.7

Radius: 1.24

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 4.51 AU - 4.57 AU

Year: 3516 Days

Day: 13.9 Hours

Environment

Temp: -140 °C

Axial Tilt: 33.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 64,949,196 km

• M1: 139,874 km (0.065 R)

Asteroid Belt

Center: 6.31 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 8.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 630.6

Radius: 13

Gravity: 3.73 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 6.56 AU - 9.58 AU

Year: 8332 Days

Day: 13.1 Hours

Environment

Temp: -166 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 64,949,196 km

• M1: 161,715 km (0.064 R)
• M2: 617,690 km (0.088 R)
• M3: 1,026,241 km (0.101 R)
• M4: 2,244,866 km (0.099 R)
• M5: 2,754,396 km (0.055 R)
• M6: 3,208,575 km (0.113 R)
• M7: 4,486,141 km (0.107 R)
• M8: 8,310,910 km (0.101 R)
• M9: 8,824,479 km (0.117 R)
• M10: 10,741,576 km (0.026 R)
• M11: 12,420,214 km (0.088 R)
• M12: 13,149,952 km (0.065 R)
• M13: 16,094,487 km (0.071 R)
• M14: 16,962,155 km (0.113 R)
• M15: 17,373,100 km (0.032 R)
• M16: 17,790,478 km (0.082 R)
• M17: 18,214,738 km (0.085 R)
• M18: 24,276,593 km (0.102 R)
• M19: 26,502,609 km (0.106 R)
• M20: 27,807,103 km (0.096 R)
• M21: 29,448,042 km (0.095 R)
• M22: 36,660,604 km (0.091 R)
• M23: 37,348,604 km (0.109 R)
• M24: 38,045,132 km (0.119 R)

Planet 8 - Gas Giant

Semi-Major Axis: 9.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 590.7

Radius: 11.8

Gravity: 4.24 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 9.38 AU - 9.9 AU

Year: 10878 Days

Day: 13.8 Hours

Environment

Temp: -170 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 64,949,196 km

• M1: 146,756 km (0.102 R)
• M2: 520,152 km (0.118 R)
• M3: 907,461 km (0.059 R)
• M4: 2,354,222 km (0.095 R)
• M5: 4,560,042 km (0.105 R)
• M6: 5,270,333 km (0.095 R)
• M7: 6,160,440 km (0.114 R)
• M8: 8,962,857 km (0.073 R)
• M9: 9,729,098 km (0.071 R)
• M10: 13,176,730 km (0.119 R)
• M11: 13,604,281 km (0.088 R)
• M12: 14,487,207 km (0.115 R)
• M13: 15,008,556 km (0.09 R)
• M14: 23,330,386 km (0.118 R)
• M15: 25,243,743 km (0.084 R)
• M16: 33,494,215 km (0.118 R)
• M17: 37,001,687 km (0.117 R)
• M18: 38,470,888 km (0.112 R)

Planet 9 - Ice Giant

Semi-Major Axis: 15.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 364.5

Radius: 7.2

Gravity: 7.03 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 14.74 AU - 15.74 AU

Year: 21623 Days

Day: 21 Hours

Environment

Temp: -195 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 64,949,196 km

• M1: 317,297 km (0.067 R)
• M2: 616,194 km (0.099 R)
• M3: 1,152,352 km (0.093 R)
• M4: 1,771,688 km (0.073 R)
• M5: 2,729,862 km (0.117 R)
• M6: 3,217,701 km (0.094 R)
• M7: 10,473,796 km (0.103 R)
• M8: 12,101,121 km (0.114 R)
• M9: 14,452,351 km (0.11 R)
• M10: 18,821,357 km (0.088 R)
• M11: 19,336,123 km (0.111 R)
• M12: 25,633,446 km (0.088 R)
• M13: 26,372,160 km (0.095 R)
• M14: 37,175,520 km (0.09 R)
• M15: 42,359,535 km (0.053 R)
• M16: 43,689,609 km (0.106 R)
• M17: 48,804,959 km (0.091 R)
• M18: 56,936,950 km (0.064 R)
• M19: 62,263,083 km (0.076 R)

Kuiper Belt

Range: 30.2 - 55.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 430 - 11,979 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit