🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.64

Radius: 1.22

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 0.58 AU - 0.64 AU

Year: 179 Days

Day: 30.5 Hours

Environment

Temp: 205 °C

Axial Tilt: 7.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.26 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.32

Radius: 1.8

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 1.2 AU - 1.32 AU

Year: 530 Days

Day: 19.2 Hours

Environment

Temp: -17 °C

Axial Tilt: 25.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.55

Radius: 0.79

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 1.28 AU - 1.82 AU

Year: 723 Days

Day: 14.3 Hours

Environment

Temp: -54 °C

Axial Tilt: 37.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.57 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 186

Radius: 9.9

Gravity: 1.9 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 4.27 AU - 6.91 AU

Year: 4953 Days

Day: 8.6 Hours

Environment

Temp: -142 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 76,928,566 km

• M1: 128,654 km (0.083 R)
• M2: 507,436 km (0.101 R)
• M3: 1,054,216 km (0.03 R)
• M4: 1,513,033 km (0.102 R)
• M5: 1,953,748 km (0.093 R)
• M6: 2,312,185 km (0.107 R)
• M7: 3,096,227 km (0.077 R)
• M8: 4,272,515 km (0.115 R)
• M9: 5,955,940 km (0.087 R)
• M10: 6,383,192 km (0.075 R)
• M11: 6,745,368 km (0.094 R)
• M12: 7,664,647 km (0.102 R)
• M13: 8,631,797 km (0.106 R)
• M14: 10,383,588 km (0.038 R)
• M15: 12,317,889 km (0.089 R)
• M16: 13,057,201 km (0.104 R)
• M17: 15,502,827 km (0.11 R)
• M18: 18,686,719 km (0.073 R)
• M19: 19,199,241 km (0.081 R)

Planet 5 - Ice Giant

Semi-Major Axis: 13.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 901.1

Radius: 4.6

Gravity: 42.59 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 10.9 AU - 15.26 AU

Year: 17727 Days

Day: 24.9 Hours

Environment

Temp: -185 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 76,928,566 km

• M1: 57,296 km (0.092 R)
• M2: 222,153 km (0.114 R)
• M3: 384,018 km (0.031 R)
• M4: 769,083 km (0.115 R)
• M5: 1,781,112 km (0.081 R)
• M6: 2,505,914 km (0.05 R)
• M7: 2,671,818 km (0.116 R)
• M8: 5,711,796 km (0.099 R)
• M9: 7,987,330 km (0.082 R)
• M10: 11,308,402 km (0.081 R)
• M11: 14,069,680 km (0.088 R)
• M12: 14,901,145 km (0.088 R)
• M13: 17,764,298 km (0.028 R)
• M14: 18,466,660 km (0.119 R)
• M15: 22,157,389 km (0.115 R)
• M16: 24,227,974 km (0.091 R)
• M17: 24,982,246 km (0.054 R)
• M18: 28,392,180 km (0.118 R)
• M19: 29,594,348 km (0.027 R)
• M20: 32,228,617 km (0.101 R)
• M21: 34,607,373 km (0.115 R)
• M22: 38,536,411 km (0.112 R)
• M23: 39,859,754 km (0.099 R)
• M24: 46,273,165 km (0.064 R)
• M25: 47,099,394 km (0.102 R)
• M26: 52,621,649 km (0.113 R)
• M27: 54,066,615 km (0.099 R)
• M28: 54,615,340 km (0.064 R)
• M29: 58,176,368 km (0.108 R)
• M30: 61,094,873 km (0.115 R)
• M31: 61,889,238 km (0.07 R)
• M32: 65,756,941 km (0.046 R)
• M33: 69,351,329 km (0.086 R)
• M34: 75,098,430 km (0.078 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: 284 - 16,495 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit