🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.84 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.8

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 0.82 AU - 0.86 AU

Year: 289 Days

Day: 15.6 Hours

Environment

Temp: 158 °C

Axial Tilt: 37.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 3.18 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.52

Radius: 0.77

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 2.55 AU - 3.81 AU

Year: 2125 Days

Day: 47.4 Hours

Environment

Temp: -106 °C

Axial Tilt: 11.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 60,395,805 km

• M1: 18,251 km (0.048 R)

Planet 3 - Terrestrial

Semi-Major Axis: 3.3 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.76

Radius: 0.9

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 2.48 AU - 4.12 AU

Year: 2246 Days

Day: 23 Hours

Environment

Temp: -111 °C

Axial Tilt: 24.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 10.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 683.7

Radius: 12.3

Gravity: 4.52 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 8.77 AU - 11.25 AU

Year: 11868 Days

Day: 8.9 Hours

Environment

Temp: -176 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 60,395,805 km

• M1: 179,368 km (0.114 R)
• M2: 730,935 km (0.116 R)
• M3: 1,405,472 km (0.108 R)
• M4: 2,999,138 km (0.075 R)
• M5: 3,503,283 km (0.099 R)
• M6: 3,924,850 km (0.062 R)
• M7: 7,681,551 km (0.051 R)
• M8: 8,124,361 km (0.097 R)
• M9: 10,982,728 km (0.099 R)
• M10: 14,254,882 km (0.072 R)
• M11: 16,474,166 km (0.075 R)
• M12: 17,590,017 km (0.068 R)
• M13: 20,221,294 km (0.092 R)
• M14: 23,936,706 km (0.099 R)
• M15: 28,713,666 km (0.101 R)
• M16: 35,900,048 km (0.12 R)
• M17: 46,059,688 km (0.081 R)
• M18: 48,268,800 km (0.095 R)

Planet 5 - Ice Giant

Semi-Major Axis: 12.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 446.2

Radius: 6.2

Gravity: 11.61 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 11.99 AU - 13.97 AU

Year: 17524 Days

Day: 24 Hours

Environment

Temp: -195 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 60,395,805 km

• M1: 77,641 km (0.11 R)
• M2: 353,051 km (0.102 R)
• M3: 668,254 km (0.078 R)
• M4: 869,912 km (0.11 R)
• M5: 1,101,040 km (0.09 R)
• M6: 3,132,430 km (0.105 R)
• M7: 3,413,075 km (0.089 R)
• M8: 3,908,693 km (0.064 R)
• M9: 6,831,536 km (0.111 R)
• M10: 7,173,517 km (0.092 R)
• M11: 7,662,253 km (0.055 R)
• M12: 8,125,558 km (0.092 R)
• M13: 8,460,956 km (0.031 R)
• M14: 11,906,943 km (0.094 R)
• M15: 13,500,759 km (0.11 R)
• M16: 17,105,170 km (0.115 R)
• M17: 18,381,689 km (0.056 R)
• M18: 19,806,309 km (0.108 R)
• M19: 21,123,070 km (0.059 R)
• M20: 21,665,811 km (0.073 R)
• M21: 22,403,777 km (0.087 R)
• M22: 22,684,872 km (0.11 R)
• M23: 25,219,957 km (0.103 R)
• M24: 26,036,462 km (0.102 R)
• M25: 28,922,205 km (0.09 R)
• M26: 31,778,028 km (0.087 R)
• M27: 38,711,441 km (0.076 R)
• M28: 39,934,254 km (0.097 R)
• M29: 41,463,443 km (0.069 R)
• M30: 47,199,923 km (0.055 R)
• M31: 52,284,306 km (0.107 R)
• M32: 55,812,273 km (0.052 R)
• M33: 56,156,198 km (0.059 R)
• M34: 57,546,561 km (0.04 R)
• M35: 58,781,791 km (0.118 R)
• M36: 59,495,522 km (0.053 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 327 - 19,975 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit