🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 877.2

Radius: 11.8

Gravity: 6.3 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 0.44 AU - 0.72 AU

Year: 305 Days

Day: 13.7 Hours

Environment

Temp: -150 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 14,607,756 km

• M1: 146,756 km (0.106 R)
• M2: 522,845 km (0.083 R)
• M3: 910,752 km (0.092 R)
• M4: 1,415,944 km (0.066 R)
• M5: 1,795,773 km (0.106 R)
• M6: 2,295,280 km (0.097 R)
• M7: 3,039,530 km (0.089 R)
• M8: 3,508,668 km (0.102 R)
• M9: 4,076,692 km (0.062 R)
• M10: 4,747,488 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 256.1

Radius: 9.6

Gravity: 2.78 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 0.67 AU - 0.75 AU

Year: 413 Days

Day: 11.2 Hours

Environment

Temp: -156 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 14,607,756 km

• M1: 119,379 km (0.097 R)
• M2: 602,281 km (0.084 R)
• M3: 1,060,350 km (0.12 R)
• M4: 1,481,767 km (0.057 R)
• M5: 2,527,905 km (0.092 R)
• M6: 2,991,359 km (0.075 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 806.4

Radius: 11.9

Gravity: 5.69 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 1.43 AU - 2.33 AU

Year: 1779 Days

Day: 12.9 Hours

Environment

Temp: -194 °C

Axial Tilt: 42.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 14,607,756 km

• M1: 147,952 km (0.102 R)
• M2: 589,266 km (0.063 R)
• M3: 1,025,344 km (0.064 R)
• M4: 1,400,386 km (0.057 R)
• M5: 1,902,287 km (0.108 R)
• M6: 2,378,457 km (0.105 R)
• M7: 2,801,669 km (0.114 R)
• M8: 3,356,527 km (0.097 R)
• M9: 3,784,078 km (0.117 R)
• M10: 4,365,116 km (0.096 R)
• M11: 5,179,976 km (0.063 R)
• M12: 6,218,035 km (0.053 R)
• M13: 6,840,213 km (0.083 R)
• M14: 7,646,845 km (0.104 R)
• M15: 9,718,925 km (0.032 R)
• M16: 11,520,532 km (0.06 R)
• M17: 13,072,909 km (0.103 R)
• M18: 15,032,492 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 241.9

Radius: 13.8

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 1.76 AU - 2.78 AU

Year: 2361 Days

Day: 7.9 Hours

Environment

Temp: -212 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 14,607,756 km

• M1: 411,993 km (0.109 R)
• M2: 1,692,401 km (0.107 R)
• M3: 2,474,798 km (0.085 R)
• M4: 3,070,048 km (0.058 R)
• M5: 4,029,568 km (0.046 R)
• M6: 5,537,365 km (0.089 R)
• M7: 6,783,515 km (0.12 R)
• M8: 8,697,022 km (0.096 R)
• M9: 9,265,344 km (0.077 R)
• M10: 10,082,896 km (0.067 R)
• M11: 10,744,269 km (0.055 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 733.3

Radius: 12.7

Gravity: 4.55 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 2.01 AU - 2.69 AU

Year: 2487 Days

Day: 5.6 Hours

Environment

Temp: -197 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 14,607,756 km

• M1: 157,975 km (0.112 R)
• M2: 753,375 km (0.04 R)
• M3: 1,196,633 km (0.054 R)
• M4: 1,676,394 km (0.084 R)
• M5: 2,590,886 km (0.099 R)
• M6: 4,291,215 km (0.041 R)
• M7: 5,223,060 km (0.076 R)
• M8: 5,686,963 km (0.053 R)
• M9: 6,178,392 km (0.037 R)
• M10: 6,983,229 km (0.072 R)
• M11: 7,763,082 km (0.119 R)
• M12: 9,284,493 km (0.093 R)
• M13: 10,800,667 km (0.086 R)
• M14: 13,041,793 km (0.096 R)
• M15: 13,533,820 km (0.03 R)
• M16: 14,890,673 km (0.098 R)
• M17: 15,527,661 km (0.117 R)
• M18: 16,908,599 km (0.094 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 501.5

Radius: 14.2

Gravity: 2.49 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 2.26 AU - 2.56 AU

Year: 2582 Days

Day: 13.4 Hours

Environment

Temp: -208 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 14,607,756 km

• M1: 187,596 km (0.119 R)
• M2: 811,269 km (0.101 R)
• M3: 1,594,265 km (0.1 R)
• M4: 2,229,457 km (0.103 R)
• M5: 2,802,567 km (0.086 R)
• M6: 3,630,890 km (0.115 R)
• M7: 4,513,069 km (0.056 R)
• M8: 5,185,212 km (0.101 R)
• M9: 6,840,363 km (0.112 R)
• M10: 8,759,703 km (0.116 R)
• M11: 12,197,762 km (0.092 R)
• M12: 15,045,806 km (0.054 R)
• M13: 15,520,330 km (0.037 R)
• M14: 16,649,794 km (0.059 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 183.4

Radius: 8.6

Gravity: 2.48 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 2.61 AU - 3.01 AU

Year: 3251 Days

Day: 14.1 Hours

Environment

Temp: -218 °C

Axial Tilt: 44.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 14,607,756 km

• M1: 106,962 km (0.061 R)
• M2: 386,112 km (0.118 R)
• M3: 2,087,638 km (0.107 R)
• M4: 2,980,289 km (0.103 R)
• M5: 3,270,509 km (0.099 R)
• M6: 3,732,766 km (0.116 R)
• M7: 4,034,355 km (0.098 R)
• M8: 5,209,746 km (0.117 R)
• M9: 9,266,092 km (0.108 R)
• M10: 9,590,121 km (0.099 R)
• M11: 12,036,196 km (0.102 R)
• M12: 12,697,269 km (0.058 R)
• M13: 13,630,012 km (0.102 R)
• M14: 14,262,511 km (0.091 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 274 - 12,484 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit