🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.18

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 0.53 AU - 0.61 AU

Year: 282 Days

Day: 23.6 Hours

Environment

Temp: -117 °C

Axial Tilt: 24.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 0.94 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 990

Radius: 9.1

Gravity: 11.96 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 1.06 AU - 1.54 AU

Year: 972 Days

Day: 8.6 Hours

Environment

Temp: -175 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 24,547,360 km

• M1: 115,938 km (0.105 R)
• M2: 431,889 km (0.118 R)
• M3: 796,609 km (0.045 R)
• M4: 1,268,740 km (0.092 R)
• M5: 1,802,355 km (0.116 R)
• M6: 2,258,928 km (0.113 R)
• M7: 2,625,742 km (0.072 R)
• M8: 2,936,756 km (0.105 R)
• M9: 3,840,477 km (0.12 R)
• M10: 4,419,121 km (0.103 R)
• M11: 4,880,780 km (0.078 R)
• M12: 5,601,842 km (0.115 R)
• M13: 6,814,183 km (0.061 R)
• M14: 8,031,311 km (0.09 R)
• M15: 8,439,863 km (0.065 R)
• M16: 9,093,307 km (0.077 R)
• M17: 9,810,479 km (0.076 R)
• M18: 10,597,214 km (0.104 R)

Asteroid Belt

Center: 2.17 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 3.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 289.1

Radius: 11.2

Gravity: 2.3 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 2.78 AU - 3.3 AU

Year: 3477 Days

Day: 11.1 Hours

Environment

Temp: -213 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 24,547,360 km

• M1: 139,425 km (0.095 R)
• M2: 654,640 km (0.103 R)
• M3: 1,177,634 km (0.108 R)
• M4: 1,551,480 km (0.062 R)
• M5: 2,214,497 km (0.11 R)
• M6: 2,648,182 km (0.034 R)
• M7: 3,388,841 km (0.079 R)
• M8: 4,363,620 km (0.105 R)
• M9: 4,983,554 km (0.038 R)
• M10: 5,858,701 km (0.111 R)
• M11: 6,372,869 km (0.072 R)
• M12: 6,750,604 km (0.074 R)
• M13: 7,974,614 km (0.106 R)
• M14: 8,737,413 km (0.049 R)
• M15: 9,478,970 km (0.069 R)
• M16: 9,900,686 km (0.111 R)
• M17: 11,048,700 km (0.031 R)
• M18: 13,127,363 km (0.075 R)
• M19: 13,607,871 km (0.044 R)
• M20: 14,419,440 km (0.115 R)
• M21: 15,262,872 km (0.109 R)
• M22: 15,745,475 km (0.102 R)
• M23: 16,338,032 km (0.028 R)
• M24: 16,690,485 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 594.9

Radius: 11.5

Gravity: 4.5 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 3.13 AU - 3.47 AU

Year: 3933 Days

Day: 9.5 Hours

Environment

Temp: -197 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 24,547,360 km

• M1: 143,016 km (0.12 R)
• M2: 506,389 km (0.052 R)
• M3: 870,061 km (0.083 R)
• M4: 1,601,894 km (0.073 R)
• M5: 2,250,401 km (0.114 R)
• M6: 2,612,577 km (0.119 R)
• M7: 2,979,092 km (0.085 R)
• M8: 4,115,288 km (0.093 R)
• M9: 4,591,607 km (0.079 R)
• M10: 5,104,429 km (0.082 R)
• M11: 6,044,053 km (0.076 R)
• M12: 7,255,347 km (0.082 R)
• M13: 9,138,485 km (0.084 R)
• M14: 9,558,855 km (0.11 R)
• M15: 11,635,274 km (0.097 R)
• M16: 12,038,739 km (0.071 R)
• M17: 13,500,609 km (0.05 R)
• M18: 14,097,056 km (0.083 R)
• M19: 16,047,663 km (0.087 R)
• M20: 17,815,461 km (0.08 R)
• M21: 20,412,929 km (0.052 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 434 - 10,573 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit