🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.97 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.81

Radius: 1.87

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 0.87 AU - 1.07 AU

Year: 333 Days

Day: 27.6 Hours

Environment

Temp: 177 °C

Axial Tilt: 18.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.21 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.65

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 0.96 AU - 1.46 AU

Year: 464 Days

Day: 42.4 Hours

Environment

Temp: 38 °C

Axial Tilt: 20.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 3.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.71

Radius: 0.87

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 3.59 AU - 3.71 AU

Year: 2428 Days

Day: 29 Hours

Environment

Temp: -103 °C

Axial Tilt: 1.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 40,826,321 km

• M1: 711,637 km (0.107 R)

Asteroid Belt

Center: 4.99 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 6.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 99.5

Radius: 8.6

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 5.85 AU - 6.81 AU

Year: 5546 Days

Day: 10.4 Hours

Environment

Temp: -146 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 40,826,321 km

• M1: 107,262 km (0.086 R)
• M2: 435,928 km (0.086 R)
• M3: 2,783,268 km (0.062 R)
• M4: 3,387,644 km (0.058 R)
• M5: 4,174,229 km (0.045 R)
• M6: 4,455,174 km (0.103 R)
• M7: 5,099,941 km (0.112 R)
• M8: 7,793,301 km (0.066 R)
• M9: 9,290,477 km (0.053 R)
• M10: 10,820,115 km (0.064 R)
• M11: 16,907,701 km (0.08 R)

Planet 5 - Gas Giant

Semi-Major Axis: 10.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 428.5

Radius: 10.1

Gravity: 4.2 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 9.93 AU - 10.63 AU

Year: 11478 Days

Day: 8.9 Hours

Environment

Temp: -171 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 40,826,321 km

• M1: 127,009 km (0.118 R)
• M2: 506,090 km (0.105 R)
• M3: 969,095 km (0.116 R)
• M4: 1,949,859 km (0.068 R)
• M5: 2,929,725 km (0.035 R)
• M6: 3,789,164 km (0.04 R)
• M7: 5,365,926 km (0.098 R)
• M8: 6,282,662 km (0.1 R)
• M9: 6,684,930 km (0.038 R)
• M10: 17,775,369 km (0.11 R)
• M11: 18,285,946 km (0.071 R)
• M12: 20,585,265 km (0.054 R)
• M13: 24,030,654 km (0.055 R)
• M14: 30,251,532 km (0.118 R)
• M15: 36,173,214 km (0.109 R)

Planet 6 - Ice Giant

Semi-Major Axis: 15.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 91.4

Radius: 6.3

Gravity: 2.3 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 14.16 AU - 17.1 AU

Year: 21520 Days

Day: 20.7 Hours

Environment

Temp: -183 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 40,826,321 km

• M1: 78,389 km (0.093 R)
• M2: 336,296 km (0.033 R)
• M3: 778,208 km (0.114 R)
• M4: 2,421,840 km (0.103 R)
• M5: 2,745,271 km (0.046 R)
• M6: 4,584,726 km (0.06 R)
• M7: 5,579,552 km (0.06 R)
• M8: 8,404,708 km (0.051 R)
• M9: 13,348,319 km (0.094 R)
• M10: 15,670,826 km (0.073 R)
• M11: 17,476,023 km (0.088 R)
• M12: 21,255,763 km (0.1 R)
• M13: 21,733,429 km (0.116 R)
• M14: 27,096,513 km (0.045 R)
• M15: 27,846,896 km (0.107 R)
• M16: 30,784,848 km (0.105 R)
• M17: 31,191,605 km (0.103 R)

Kuiper Belt

Range: 31.5 - 58.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 541 - 13,228 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit