🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.52 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.04 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.4

Radius: 1.63

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.81 AU - 1.27 AU

Year: 385 Days

Day: 35 Hours

Environment

Temp: 24 °C

Axial Tilt: 37.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 4.02 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.35

Radius: 0.66

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 4 AU - 4.04 AU

Year: 2929 Days

Day: 15.9 Hours

Environment

Temp: -131 °C

Axial Tilt: 34.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.43 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 6.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 332.5

Radius: 12.4

Gravity: 2.16 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 5.18 AU - 8.5 AU

Year: 6502 Days

Day: 12.3 Hours

Environment

Temp: -166 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 116,405,594 km

• M1: 167,101 km (0.086 R)
• M2: 614,997 km (0.084 R)
• M3: 1,128,417 km (0.087 R)
• M4: 2,149,273 km (0.119 R)
• M5: 2,582,059 km (0.084 R)
• M6: 3,668,888 km (0.095 R)
• M7: 4,222,849 km (0.081 R)
• M8: 4,781,298 km (0.085 R)
• M9: 5,198,526 km (0.102 R)
• M10: 5,668,563 km (0.104 R)
• M11: 6,758,383 km (0.076 R)
• M12: 7,285,715 km (0.059 R)
• M13: 9,757,072 km (0.083 R)
• M14: 11,227,619 km (0.052 R)
• M15: 12,841,032 km (0.056 R)
• M16: 13,859,644 km (0.092 R)
• M17: 14,604,043 km (0.089 R)
• M18: 15,884,900 km (0.096 R)
• M19: 16,523,384 km (0.098 R)
• M20: 19,055,029 km (0.055 R)
• M21: 19,709,669 km (0.086 R)
• M22: 20,447,187 km (0.108 R)
• M23: 24,260,885 km (0.083 R)
• M24: 27,024,706 km (0.086 R)

Planet 4 - Ice Giant

Semi-Major Axis: 19.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 967.1

Radius: 7.8

Gravity: 15.9 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 16.2 AU - 23.26 AU

Year: 31851 Days

Day: 20.3 Hours

Environment

Temp: -206 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 116,405,594 km

• M1: 103,372 km (0.063 R)
• M2: 538,552 km (0.049 R)
• M3: 999,763 km (0.096 R)
• M4: 1,318,705 km (0.116 R)
• M5: 1,914,254 km (0.053 R)
• M6: 6,943,436 km (0.092 R)
• M7: 8,349,955 km (0.088 R)
• M8: 8,962,558 km (0.118 R)
• M9: 9,280,005 km (0.109 R)
• M10: 20,522,584 km (0.039 R)
• M11: 22,439,830 km (0.104 R)
• M12: 23,262,918 km (0.038 R)
• M13: 28,356,576 km (0.111 R)
• M14: 29,457,466 km (0.044 R)
• M15: 35,867,286 km (0.079 R)
• M16: 37,644,808 km (0.112 R)
• M17: 38,139,528 km (0.064 R)
• M18: 42,432,688 km (0.114 R)
• M19: 43,328,330 km (0.108 R)
• M20: 64,932,208 km (0.115 R)
• M21: 69,527,106 km (0.082 R)
• M22: 78,550,252 km (0.106 R)
• M23: 79,628,553 km (0.11 R)
• M24: 80,990,342 km (0.069 R)
• M25: 82,367,690 km (0.077 R)
• M26: 85,736,634 km (0.12 R)
• M27: 89,196,534 km (0.085 R)
• M28: 102,037,716 km (0.119 R)
• M29: 102,357,556 km (0.092 R)
• M30: 105,593,507 km (0.03 R)
• M31: 110,574,069 km (0.106 R)

Kuiper Belt

Range: 30.2 - 46.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 299 - 17,202 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit