🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.89 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.43

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 0.68 AU - 1.1 AU

Year: 296 Days

Day: 47.6 Hours

Environment

Temp: 126 °C

Axial Tilt: 32.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.11 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.59

Radius: 1.67

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 1.05 AU - 1.17 AU

Year: 413 Days

Day: 12.2 Hours

Environment

Temp: 33 °C

Axial Tilt: 34.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.33 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.89

Radius: 1.29

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 1.22 AU - 1.44 AU

Year: 542 Days

Day: 37.6 Hours

Environment

Temp: 14 °C

Axial Tilt: 60.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 25,556,507 km

• M1: 377,585 km (0.065 R)

Planet 4 - Gas Giant

Semi-Major Axis: 6.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 349.4

Radius: 13.8

Gravity: 1.83 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 5.83 AU - 6.57 AU

Year: 5451 Days

Day: 10.5 Hours

Environment

Temp: -140 °C

Axial Tilt: 159.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (70)

Outer Limit: 25,556,507 km

• M1: 173,833 km (0.078 R)
• M2: 271,969 km (0.11 R)
• M3: 472,580 km (0.07 R)
• M4: 582,684 km (0.106 R)
• M5: 789,578 km (0.113 R)
• M6: 891,603 km (0.068 R)
• M7: 1,010,683 km (0.109 R)
• M8: 1,375,253 km (0.104 R)
• M9: 1,705,715 km (0.066 R)
• M10: 1,935,198 km (0.059 R)
• M11: 2,324,003 km (0.118 R)
• M12: 2,667,031 km (0.098 R)
• M13: 2,880,806 km (0.065 R)
• M14: 3,026,664 km (0.082 R)
• M15: 3,287,712 km (0.076 R)
• M16: 3,556,390 km (0.097 R)
• M17: 3,693,571 km (0.106 R)
• M18: 3,852,444 km (0.038 R)
• M19: 3,973,020 km (0.081 R)
• M20: 4,095,092 km (0.12 R)
• M21: 4,197,716 km (0.095 R)
• M22: 4,489,582 km (0.03 R)
• M23: 4,659,525 km (0.09 R)
• M24: 5,226,501 km (0.048 R)
• M25: 5,473,038 km (0.083 R)
• M26: 5,746,353 km (0.034 R)
• M27: 6,188,565 km (0.055 R)
• M28: 6,449,613 km (0.107 R)
• M29: 6,593,526 km (0.069 R)
• M30: 7,130,583 km (0.089 R)
• M31: 7,254,599 km (0.113 R)
• M32: 7,580,573 km (0.118 R)
• M33: 8,091,450 km (0.097 R)
• M34: 8,534,409 km (0.058 R)
• M35: 8,798,748 km (0.093 R)
• M36: 9,281,501 km (0.053 R)
• M37: 9,389,959 km (0.045 R)
• M38: 9,772,930 km (0.115 R)
• M39: 9,994,035 km (0.047 R)
• M40: 10,105,187 km (0.111 R)
• M41: 10,328,835 km (0.06 R)
• M42: 10,866,640 km (0.075 R)
• M43: 11,095,824 km (0.118 R)
• M44: 11,384,548 km (0.093 R)
• M45: 11,675,665 km (0.104 R)
• M46: 12,444,448 km (0.109 R)
• M47: 13,107,765 km (0.12 R)
• M48: 14,218,081 km (0.085 R)
• M49: 15,390,330 km (0.097 R)
• M50: 15,518,984 km (0.053 R)
• M51: 16,102,116 km (0.063 R)
• M52: 16,593,695 km (0.058 R)
• M53: 16,824,674 km (0.11 R)
• M54: 17,090,061 km (0.062 R)
• M55: 17,557,853 km (0.086 R)
• M56: 18,986,513 km (0.096 R)
• M57: 19,575,330 km (0.066 R)
• M58: 19,749,612 km (0.093 R)
• M59: 21,701,266 km (0.106 R)
• M60: 21,954,086 km (0.096 R)
• M61: 22,135,249 km (0.082 R)
• M62: 22,681,730 km (0.115 R)
• M63: 23,158,947 km (0.118 R)
• M64: 23,380,352 km (0.118 R)
• M65: 23,491,354 km (0.116 R)
• M66: 23,750,906 km (0.074 R)
• M67: 23,974,106 km (0.104 R)
• M68: 24,273,003 km (0.098 R)
• M69: 25,025,330 km (0.112 R)
• M70: 25,138,875 km (0.109 R)

Kuiper Belt

Range: 31.1 - 51.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 224 - 13,348 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit