🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.51 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.01 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.72

Radius: 0.88

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 0.85 AU - 1.17 AU

Year: 376 Days

Day: 24.2 Hours

Environment

Temp: 26 °C

Axial Tilt: 17.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.88

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 1.04 AU - 1.72 AU

Year: 601 Days

Day: 26.1 Hours

Environment

Temp: -29 °C

Axial Tilt: 46 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.09

Radius: 1.57

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 1.6 AU - 1.62 AU

Year: 758 Days

Day: 36.5 Hours

Environment

Temp: -44 °C

Axial Tilt: 31.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.82

Radius: 1.88

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 1.84 AU - 2.78 AU

Year: 1302 Days

Day: 17.8 Hours

Environment

Temp: -75 °C

Axial Tilt: 15 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 70,071,491 km

• M1: 579,841 km (0.105 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.65

Radius: 1.68

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 3.15 AU - 4.01 AU

Year: 2512 Days

Day: 29 Hours

Environment

Temp: -124 °C

Axial Tilt: 6.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 8.3 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 13.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 706.6

Radius: 3.5

Gravity: 57.68 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 12.53 AU - 13.49 AU

Year: 17403 Days

Day: 18 Hours

Environment

Temp: -184 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 70,071,491 km

• M1: 52,808 km (0.114 R)
• M2: 173,833 km (0.1 R)
• M3: 393,742 km (0.111 R)
• M4: 917,933 km (0.104 R)
• M5: 1,515,875 km (0.065 R)
• M6: 2,129,675 km (0.094 R)
• M7: 2,820,219 km (0.03 R)
• M8: 4,165,702 km (0.03 R)
• M9: 4,359,282 km (0.053 R)
• M10: 4,558,995 km (0.075 R)
• M11: 4,764,692 km (0.086 R)
• M12: 5,419,332 km (0.103 R)
• M13: 5,768,045 km (0.119 R)
• M14: 6,771,248 km (0.095 R)
• M15: 8,537,102 km (0.05 R)
• M16: 13,777,665 km (0.079 R)
• M17: 13,919,932 km (0.112 R)
• M18: 14,425,872 km (0.088 R)
• M19: 15,169,523 km (0.074 R)
• M20: 17,058,196 km (0.117 R)
• M21: 26,181,273 km (0.106 R)
• M22: 27,849,140 km (0.119 R)
• M23: 30,061,842 km (0.105 R)
• M24: 33,789,372 km (0.115 R)
• M25: 34,701,320 km (0.102 R)
• M26: 35,362,693 km (0.093 R)
• M27: 38,232,429 km (0.103 R)
• M28: 39,508,498 km (0.118 R)
• M29: 43,049,480 km (0.108 R)
• M30: 44,120,750 km (0.114 R)
• M31: 47,117,794 km (0.034 R)
• M32: 50,923,863 km (0.098 R)
• M33: 51,777,618 km (0.046 R)
• M34: 53,513,552 km (0.119 R)
• M35: 55,647,266 km (0.076 R)
• M36: 56,008,396 km (0.113 R)
• M37: 56,735,142 km (0.046 R)
• M38: 58,766,232 km (0.098 R)
• M39: 63,956,231 km (0.117 R)
• M40: 67,991,634 km (0.098 R)
• M41: 68,197,630 km (0.106 R)
• M42: 69,443,182 km (0.058 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 201 - 13,190 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit