🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.85 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.6

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.69 AU - 1.01 AU

Year: 281 Days

Day: 31.6 Hours

Environment

Temp: 92 °C

Axial Tilt: 39.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.23 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.68

Radius: 0.86

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.94 AU - 1.52 AU

Year: 489 Days

Day: 34.3 Hours

Environment

Temp: 25 °C

Axial Tilt: 1.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 82,344,769 km

• M1: 67,618 km (0.063 R)
• M2: 93,798 km (0.118 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.38 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.33

Radius: 1.62

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 2.37 AU - 2.39 AU

Year: 1315 Days

Day: 38.3 Hours

Environment

Temp: -69 °C

Axial Tilt: 35.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Ice Giant

Semi-Major Axis: 14.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 906.7

Radius: 6.8

Gravity: 19.61 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 13.49 AU - 15.31 AU

Year: 19571 Days

Day: 18.5 Hours

Environment

Temp: -194 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 82,344,769 km

• M1: 85,271 km (0.086 R)
• M2: 564,283 km (0.079 R)
• M3: 2,239,630 km (0.069 R)
• M4: 3,796,046 km (0.11 R)
• M5: 4,319,190 km (0.064 R)
• M6: 6,716,496 km (0.083 R)
• M7: 7,680,953 km (0.075 R)
• M8: 10,805,005 km (0.116 R)
• M9: 11,386,193 km (0.095 R)
• M10: 12,262,089 km (0.09 R)
• M11: 15,560,423 km (0.045 R)
• M12: 19,125,789 km (0.086 R)
• M13: 21,648,607 km (0.098 R)
• M14: 22,363,984 km (0.1 R)
• M15: 26,756,776 km (0.033 R)
• M16: 27,107,733 km (0.063 R)
• M17: 31,173,354 km (0.095 R)
• M18: 31,432,158 km (0.056 R)
• M19: 31,692,309 km (0.118 R)
• M20: 38,821,844 km (0.117 R)
• M21: 41,105,905 km (0.072 R)
• M22: 42,677,430 km (0.049 R)
• M23: 43,317,111 km (0.093 R)
• M24: 44,288,599 km (0.117 R)
• M25: 50,424,505 km (0.106 R)
• M26: 55,192,489 km (0.096 R)
• M27: 62,483,141 km (0.089 R)
• M28: 62,894,535 km (0.101 R)
• M29: 63,307,725 km (0.086 R)
• M30: 64,558,213 km (0.098 R)
• M31: 67,973,383 km (0.089 R)
• M32: 68,190,749 km (0.049 R)
• M33: 73,547,549 km (0.052 R)
• M34: 81,606,686 km (0.11 R)

Kuiper Belt

Range: 30.6 - 53.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 479 - 11,899 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit