🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.89

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 0.61 AU - 0.73 AU

Year: 360 Days

Day: 43.3 Hours

Environment

Temp: -125 °C

Axial Tilt: 44.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 800

Radius: 12.4

Gravity: 5.2 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.58 AU - 0.94 AU

Year: 435 Days

Day: 8 Hours

Environment

Temp: -136 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 20,134,735 km

• M1: 154,235 km (0.066 R)
• M2: 655,089 km (0.104 R)
• M3: 1,070,522 km (0.077 R)
• M4: 1,508,545 km (0.114 R)
• M5: 1,919,789 km (0.09 R)
• M6: 2,620,356 km (0.08 R)
• M7: 3,053,442 km (0.087 R)
• M8: 3,559,083 km (0.099 R)
• M9: 3,984,689 km (0.088 R)
• M10: 4,561,239 km (0.104 R)
• M11: 4,955,280 km (0.068 R)
• M12: 5,899,691 km (0.054 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 287.4

Radius: 14.8

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 1.69 AU - 2.71 AU

Year: 2141 Days

Day: 7.8 Hours

Environment

Temp: -192 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 20,134,735 km

• M1: 184,005 km (0.097 R)
• M2: 789,428 km (0.034 R)
• M3: 1,262,157 km (0.032 R)
• M4: 1,728,454 km (0.052 R)
• M5: 2,359,458 km (0.107 R)
• M6: 2,986,871 km (0.114 R)
• M7: 3,596,183 km (0.035 R)
• M8: 4,396,382 km (0.064 R)
• M9: 5,609,471 km (0.117 R)
• M10: 6,811,191 km (0.09 R)
• M11: 8,067,215 km (0.097 R)
• M12: 8,663,063 km (0.108 R)
• M13: 9,258,014 km (0.088 R)
• M14: 9,911,757 km (0.113 R)
• M15: 10,696,547 km (0.094 R)
• M16: 12,023,779 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 331.3

Radius: 9.6

Gravity: 3.59 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 2.52 AU - 4.06 AU

Year: 3915 Days

Day: 12.8 Hours

Environment

Temp: -211 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 20,134,735 km

• M1: 119,529 km (0.119 R)
• M2: 432,188 km (0.111 R)
• M3: 806,482 km (0.09 R)
• M4: 1,149,809 km (0.09 R)
• M5: 1,766,900 km (0.076 R)
• M6: 2,118,904 km (0.113 R)
• M7: 3,323,915 km (0.112 R)
• M8: 3,710,326 km (0.116 R)
• M9: 4,085,518 km (0.118 R)
• M10: 4,442,758 km (0.101 R)
• M11: 5,220,068 km (0.05 R)
• M12: 7,343,759 km (0.111 R)
• M13: 7,810,056 km (0.072 R)
• M14: 8,462,452 km (0.112 R)
• M15: 8,802,040 km (0.112 R)
• M16: 9,257,116 km (0.107 R)
• M17: 9,727,751 km (0.083 R)
• M18: 10,062,850 km (0.114 R)
• M19: 11,358,368 km (0.082 R)
• M20: 13,028,778 km (0.07 R)
• M21: 16,063,520 km (0.116 R)
• M22: 17,010,475 km (0.11 R)
• M23: 19,305,755 km (0.109 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 284 - 17,156 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit