🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.94 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.73

Radius: 1.25

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 0.91 AU - 0.97 AU

Year: 336 Days

Day: 34.8 Hours

Environment

Temp: 47 °C

Axial Tilt: 43.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 0.99 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.53

Radius: 1.45

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 0.82 AU - 1.16 AU

Year: 363 Days

Day: 23.6 Hours

Environment

Temp: 23 °C

Axial Tilt: 15.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 25,812,741 km

• M1: 509,830 km (0.092 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.21

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 1.45 AU - 1.81 AU

Year: 768 Days

Day: 34.6 Hours

Environment

Temp: -49 °C

Axial Tilt: 37.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 7.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 156.4

Radius: 13.8

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 7.45 AU - 8.45 AU

Year: 8270 Days

Day: 14.8 Hours

Environment

Temp: -156 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (60)

Outer Limit: 25,812,741 km

• M1: 214,075 km (0.115 R)
• M2: 339,587 km (0.037 R)
• M3: 762,650 km (0.116 R)
• M4: 982,409 km (0.098 R)
• M5: 1,264,252 km (0.114 R)
• M6: 1,828,086 km (0.052 R)
• M7: 2,178,893 km (0.119 R)
• M8: 2,278,525 km (0.115 R)
• M9: 2,379,504 km (0.039 R)
• M10: 2,604,050 km (0.066 R)
• M11: 2,963,085 km (0.115 R)
• M12: 3,224,133 km (0.06 R)
• M13: 3,571,051 km (0.083 R)
• M14: 4,490,629 km (0.062 R)
• M15: 5,435,489 km (0.107 R)
• M16: 5,549,333 km (0.111 R)
• M17: 5,733,189 km (0.102 R)
• M18: 6,036,274 km (0.082 R)
• M19: 6,488,808 km (0.104 R)
• M20: 6,829,442 km (0.088 R)
• M21: 7,401,654 km (0.062 R)
• M22: 7,528,064 km (0.115 R)
• M23: 7,655,372 km (0.069 R)
• M24: 7,989,424 km (0.116 R)
• M25: 8,093,245 km (0.054 R)
• M26: 8,752,074 km (0.055 R)
• M27: 9,842,044 km (0.097 R)
• M28: 10,289,940 km (0.112 R)
• M29: 10,744,717 km (0.095 R)
• M30: 11,732,811 km (0.101 R)
• M31: 12,780,296 km (0.112 R)
• M32: 13,361,483 km (0.111 R)
• M33: 13,546,835 km (0.044 R)
• M34: 13,670,852 km (0.06 R)
• M35: 13,826,434 km (0.066 R)
• M36: 13,920,082 km (0.108 R)
• M37: 14,139,392 km (0.054 R)
• M38: 14,233,639 km (0.095 R)
• M39: 14,454,595 km (0.034 R)
• M40: 14,581,454 km (0.108 R)
• M41: 14,836,070 km (0.066 R)
• M42: 15,349,789 km (0.083 R)
• M43: 15,479,191 km (0.083 R)
• M44: 16,131,438 km (0.106 R)
• M45: 16,792,660 km (0.084 R)
• M46: 17,294,561 km (0.068 R)
• M47: 17,835,208 km (0.087 R)
• M48: 18,312,874 km (0.082 R)
• M49: 19,982,536 km (0.045 R)
• M50: 20,194,665 km (0.071 R)
• M51: 20,478,752 km (0.112 R)
• M52: 21,809,425 km (0.102 R)
• M53: 22,137,343 km (0.097 R)
• M54: 22,908,969 km (0.083 R)
• M55: 23,652,022 km (0.119 R)
• M56: 23,913,968 km (0.11 R)
• M57: 24,252,059 km (0.084 R)
• M58: 24,440,702 km (0.069 R)
• M59: 24,857,182 km (0.096 R)
• M60: 25,161,614 km (0.054 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 532 - 12,186 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit