🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.61 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.22 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.33

Radius: 1.62

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.99 AU - 1.45 AU

Year: 487 Days

Day: 38.1 Hours

Environment

Temp: 2 °C

Axial Tilt: 7.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 66,490,754 km

• M1: 56,548 km (0.105 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.1

Radius: 1.57

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 1.47 AU - 2.21 AU

Year: 903 Days

Day: 21.9 Hours

Environment

Temp: -45 °C

Axial Tilt: 6.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 5.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 479.4

Radius: 14.2

Gravity: 2.38 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 4.28 AU - 7.04 AU

Year: 4870 Days

Day: 13.8 Hours

Environment

Temp: -154 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 66,490,754 km

• M1: 177,423 km (0.105 R)
• M2: 691,591 km (0.07 R)
• M3: 1,260,362 km (0.041 R)
• M4: 1,966,763 km (0.116 R)
• M5: 3,070,197 km (0.066 R)
• M6: 5,047,731 km (0.114 R)
• M7: 6,115,561 km (0.103 R)
• M8: 8,295,352 km (0.115 R)
• M9: 10,313,576 km (0.059 R)
• M10: 12,029,015 km (0.11 R)
• M11: 14,975,944 km (0.117 R)
• M12: 18,872,071 km (0.057 R)
• M13: 23,616,417 km (0.11 R)
• M14: 25,951,341 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 11.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 819.2

Radius: 9.4

Gravity: 9.27 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 9.07 AU - 14.83 AU

Year: 14940 Days

Day: 13.8 Hours

Environment

Temp: -191 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 66,490,754 km

• M1: 137,780 km (0.043 R)
• M2: 1,310,627 km (0.07 R)
• M3: 1,685,968 km (0.08 R)
• M4: 2,018,674 km (0.059 R)
• M5: 2,679,896 km (0.034 R)
• M6: 3,451,821 km (0.072 R)
• M7: 3,993,814 km (0.085 R)
• M8: 6,005,307 km (0.038 R)
• M9: 6,964,080 km (0.095 R)
• M10: 7,830,551 km (0.107 R)
• M11: 8,265,133 km (0.09 R)
• M12: 9,776,370 km (0.112 R)
• M13: 11,773,203 km (0.083 R)
• M14: 12,867,362 km (0.074 R)
• M15: 17,435,033 km (0.112 R)
• M16: 21,826,629 km (0.088 R)
• M17: 22,398,691 km (0.098 R)
• M18: 23,573,034 km (0.054 R)
• M19: 26,471,642 km (0.118 R)
• M20: 29,138,524 km (0.108 R)
• M21: 31,012,835 km (0.087 R)
• M22: 32,101,758 km (0.095 R)
• M23: 32,717,653 km (0.075 R)
• M24: 33,593,099 km (0.056 R)
• M25: 39,176,690 km (0.072 R)
• M26: 45,503,184 km (0.069 R)
• M27: 48,503,370 km (0.117 R)
• M28: 49,151,428 km (0.093 R)
• M29: 53,161,548 km (0.1 R)
• M30: 54,370,897 km (0.092 R)
• M31: 55,598,647 km (0.087 R)
• M32: 56,130,318 km (0.053 R)
• M33: 62,396,374 km (0.089 R)
• M34: 62,778,896 km (0.105 R)
• M35: 63,935,736 km (0.095 R)

Kuiper Belt

Range: 30.3 - 48.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 268 - 17,461 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit