🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.5 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.25

Radius: 0.57

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.4 AU - 0.6 AU

Year: 128 Days

Day: 42.4 Hours

Environment

Temp: 274 °C

Axial Tilt: 65.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.27 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.11

Radius: 1.57

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 1.09 AU - 1.45 AU

Year: 518 Days

Day: 29.1 Hours

Environment

Temp: -8 °C

Axial Tilt: 21.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Asteroid Belt

Center: 1.58 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Terrestrial

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.6

Radius: 1.67

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 1.75 AU - 2.03 AU

Year: 940 Days

Day: 33.3 Hours

Environment

Temp: -48 °C

Axial Tilt: 115.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 10.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 83.9

Radius: 14.1

Gravity: 0.42 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 10.24 AU - 10.82 AU

Year: 12358 Days

Day: 12.2 Hours

Environment

Temp: -183 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 77,716,172 km

• M1: 180,415 km (0.099 R)
• M2: 659,577 km (0.031 R)
• M3: 1,353,113 km (0.099 R)
• M4: 1,815,969 km (0.042 R)
• M5: 2,913,867 km (0.084 R)
• M6: 3,831,052 km (0.103 R)
• M7: 4,932,990 km (0.051 R)
• M8: 7,724,486 km (0.114 R)
• M9: 8,815,354 km (0.063 R)
• M10: 9,678,683 km (0.077 R)
• M11: 11,392,327 km (0.091 R)
• M12: 13,809,230 km (0.057 R)
• M13: 14,757,680 km (0.104 R)
• M14: 17,258,957 km (0.097 R)
• M15: 18,049,133 km (0.062 R)
• M16: 18,547,443 km (0.114 R)
• M17: 22,438,783 km (0.111 R)
• M18: 24,651,336 km (0.081 R)

Planet 5 - Ice Giant

Semi-Major Axis: 16.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 488

Radius: 4.2

Gravity: 27.66 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 13.31 AU - 19.89 AU

Year: 24460 Days

Day: 17.7 Hours

Environment

Temp: -204 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 77,716,172 km

• M1: 52,359 km (0.118 R)
• M2: 211,382 km (0.071 R)
• M3: 468,391 km (0.073 R)
• M4: 751,131 km (0.067 R)
• M5: 1,047,335 km (0.104 R)
• M6: 1,667,418 km (0.07 R)
• M7: 1,812,528 km (0.075 R)
• M8: 2,573,383 km (0.077 R)
• M9: 3,186,285 km (0.063 R)
• M10: 3,382,109 km (0.033 R)
• M11: 4,484,196 km (0.118 R)
• M12: 5,483,660 km (0.108 R)
• M13: 7,271,803 km (0.097 R)
• M14: 7,661,206 km (0.083 R)
• M15: 8,167,146 km (0.079 R)
• M16: 12,078,831 km (0.084 R)
• M17: 12,281,536 km (0.091 R)
• M18: 12,555,300 km (0.107 R)
• M19: 15,283,966 km (0.118 R)
• M20: 18,117,499 km (0.098 R)
• M21: 20,411,433 km (0.105 R)
• M22: 30,513,777 km (0.095 R)
• M23: 34,550,227 km (0.099 R)
• M24: 34,958,629 km (0.115 R)
• M25: 36,907,739 km (0.079 R)
• M26: 37,621,172 km (0.112 R)
• M27: 38,053,510 km (0.097 R)
• M28: 40,869,091 km (0.04 R)
• M29: 42,873,703 km (0.119 R)
• M30: 44,620,108 km (0.11 R)
• M31: 48,424,083 km (0.097 R)
• M32: 51,547,686 km (0.11 R)
• M33: 51,725,109 km (0.097 R)
• M34: 57,047,502 km (0.073 R)
• M35: 57,809,105 km (0.111 R)
• M36: 61,719,145 km (0.104 R)
• M37: 77,716,243 km (0.084 R)

Kuiper Belt

Range: 30.3 - 49.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 264 - 11,938 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit