🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.17

Radius: 0.49

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 0.81 AU - 1.19 AU

Year: 375 Days

Day: 20.9 Hours

Environment

Temp: 20 °C

Axial Tilt: 8.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 2.75 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.93

Radius: 1.3

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 2.71 AU - 2.79 AU

Year: 1709 Days

Day: 28.5 Hours

Environment

Temp: -105 °C

Axial Tilt: 18.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 3.31 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.75

Radius: 1.5

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 2.62 AU - 4 AU

Year: 2257 Days

Day: 37.4 Hours

Environment

Temp: -116 °C

Axial Tilt: 13 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 44,766,379 km

• M1: 35,604 km (0.05 R)
• M2: 200,461 km (0.114 R)

Asteroid Belt

Center: 3.98 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 4.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 243.2

Radius: 13.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 3.72 AU - 5.56 AU

Year: 3745 Days

Day: 11.9 Hours

Environment

Temp: -144 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 44,766,379 km

• M1: 180,415 km (0.113 R)
• M2: 716,275 km (0.087 R)
• M3: 1,892,712 km (0.118 R)
• M4: 3,613,387 km (0.054 R)
• M5: 4,413,885 km (0.098 R)
• M6: 5,735,134 km (0.116 R)
• M7: 6,689,269 km (0.049 R)
• M8: 9,045,734 km (0.063 R)
• M9: 9,906,371 km (0.1 R)
• M10: 12,153,929 km (0.107 R)
• M11: 14,218,829 km (0.114 R)
• M12: 14,909,522 km (0.081 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 31.2

Radius: 12.2

Gravity: 0.21 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 5.41 AU - 6.75 AU

Year: 5618 Days

Day: 6.3 Hours

Environment

Temp: -148 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 44,766,379 km

• M1: 168,298 km (0.045 R)
• M2: 572,661 km (0.095 R)
• M3: 1,010,085 km (0.082 R)
• M4: 1,431,801 km (0.086 R)
• M5: 2,673,912 km (0.089 R)
• M6: 3,768,670 km (0.109 R)
• M7: 5,122,081 km (0.065 R)
• M8: 6,041,360 km (0.114 R)
• M9: 7,043,068 km (0.072 R)
• M10: 8,098,182 km (0.069 R)
• M11: 9,197,127 km (0.072 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 13

Radius: 11.1

Gravity: 0.11 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 6.39 AU - 6.99 AU

Year: 6484 Days

Day: 11.6 Hours

Environment

Temp: -163 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 44,766,379 km

• M1: 138,378 km (0.11 R)
• M2: 643,869 km (0.07 R)
• M3: 1,215,034 km (0.11 R)
• M4: 2,066,994 km (0.104 R)
• M5: 6,703,929 km (0.12 R)
• M6: 7,829,953 km (0.083 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 121.7

Radius: 14.4

Gravity: 0.59 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 6.89 AU - 8.05 AU

Year: 7651 Days

Day: 7.6 Hours

Environment

Temp: -159 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 44,766,379 km

• M1: 300,991 km (0.084 R)
• M2: 776,862 km (0.114 R)
• M3: 1,435,392 km (0.099 R)
• M4: 2,974,305 km (0.075 R)
• M5: 6,608,037 km (0.111 R)
• M6: 10,913,913 km (0.047 R)
• M7: 12,284,528 km (0.102 R)
• M8: 13,671,151 km (0.079 R)
• M9: 18,516,476 km (0.117 R)
• M10: 21,745,546 km (0.063 R)

Planet 8 - Gas Giant

Semi-Major Axis: 10.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 311.1

Radius: 10.8

Gravity: 2.67 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 8.88 AU - 12.82 AU

Year: 13393 Days

Day: 10.1 Hours

Environment

Temp: -177 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 44,766,379 km

• M1: 134,339 km (0.091 R)
• M2: 848,519 km (0.117 R)
• M3: 1,400,685 km (0.111 R)
• M4: 1,857,706 km (0.066 R)
• M5: 3,278,437 km (0.096 R)
• M6: 3,682,800 km (0.097 R)
• M7: 5,070,321 km (0.108 R)
• M8: 5,679,932 km (0.094 R)
• M9: 6,816,726 km (0.101 R)
• M10: 7,682,150 km (0.109 R)
• M11: 11,944,343 km (0.033 R)
• M12: 19,495,595 km (0.049 R)
• M13: 24,118,169 km (0.118 R)
• M14: 26,493,484 km (0.084 R)
• M15: 27,063,152 km (0.11 R)
• M16: 34,662,575 km (0.104 R)
• M17: 36,150,325 km (0.062 R)
• M18: 37,561,033 km (0.086 R)
• M19: 38,159,574 km (0.116 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 332 - 10,567 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit