🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.62

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 0.58 AU - 0.58 AU

Year: 202 Days

Day: 35.1 Hours

Environment

Temp: -1 °C

Axial Tilt: 39.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.15

Radius: 1.06

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 0.71 AU - 0.83 AU

Year: 308 Days

Day: 40.8 Hours

Environment

Temp: -40 °C

Axial Tilt: 49 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 16,150,421 km

• M1: 37,250 km (0.081 R)
• M2: 111,450 km (0.056 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.14

Radius: 1.05

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 0.89 AU - 1.05 AU

Year: 436 Days

Day: 41 Hours

Environment

Temp: -80 °C

Axial Tilt: 4.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 2.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 383.8

Radius: 13.3

Gravity: 2.17 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 2.02 AU - 2.5 AU

Year: 1551 Days

Day: 9.8 Hours

Environment

Temp: -131 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 16,150,421 km

• M1: 166,502 km (0.112 R)
• M2: 712,086 km (0.1 R)
• M3: 1,801,607 km (0.087 R)
• M4: 2,593,877 km (0.054 R)
• M5: 3,826,714 km (0.072 R)
• M6: 5,708,505 km (0.105 R)
• M7: 6,140,245 km (0.107 R)
• M8: 6,757,785 km (0.098 R)
• M9: 10,112,218 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 45.9

Radius: 9.4

Gravity: 0.52 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 3.29 AU - 4.09 AU

Year: 3236 Days

Day: 8.7 Hours

Environment

Temp: -155 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 16,150,421 km

• M1: 128,654 km (0.059 R)
• M2: 439,519 km (0.097 R)
• M3: 812,466 km (0.12 R)
• M4: 1,458,130 km (0.075 R)
• M5: 1,759,720 km (0.096 R)
• M6: 2,123,243 km (0.114 R)
• M7: 2,709,816 km (0.096 R)
• M8: 4,173,033 km (0.093 R)
• M9: 4,703,656 km (0.117 R)
• M10: 6,655,908 km (0.113 R)
• M11: 7,334,185 km (0.105 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 139.8

Radius: 15

Gravity: 0.62 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 3.83 AU - 5.13 AU

Year: 4329 Days

Day: 6.7 Hours

Environment

Temp: -174 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 16,150,421 km

• M1: 214,075 km (0.089 R)
• M2: 690,245 km (0.075 R)
• M3: 1,302,997 km (0.12 R)
• M4: 1,875,957 km (0.079 R)
• M5: 3,600,372 km (0.111 R)
• M6: 4,838,893 km (0.055 R)
• M7: 7,588,801 km (0.062 R)
• M8: 8,057,341 km (0.107 R)
• M9: 14,532,236 km (0.053 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 479 - 18,197 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit