🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 482.7

Radius: 10.6

Gravity: 4.3 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 0.62 AU - 0.94 AU

Year: 452 Days

Day: 9.9 Hours

Environment

Temp: -140 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 36,331,667 km

• M1: 131,945 km (0.116 R)
• M2: 597,045 km (0.114 R)
• M3: 1,109,567 km (0.085 R)
• M4: 1,649,765 km (0.119 R)
• M5: 1,989,801 km (0.078 R)
• M6: 2,774,741 km (0.05 R)
• M7: 3,205,583 km (0.042 R)
• M8: 3,681,005 km (0.081 R)
• M9: 4,110,501 km (0.079 R)
• M10: 4,630,054 km (0.051 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 219.9

Radius: 9.5

Gravity: 2.44 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 1.2 AU - 1.32 AU

Year: 928 Days

Day: 9.5 Hours

Environment

Temp: -178 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 36,331,667 km

• M1: 118,482 km (0.103 R)
• M2: 477,965 km (0.099 R)
• M3: 1,152,951 km (0.069 R)
• M4: 2,026,602 km (0.049 R)
• M5: 2,346,143 km (0.11 R)
• M6: 2,939,598 km (0.115 R)
• M7: 3,591,246 km (0.087 R)
• M8: 4,219,558 km (0.085 R)
• M9: 4,560,341 km (0.104 R)
• M10: 5,097,996 km (0.1 R)
• M11: 6,356,862 km (0.08 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 877.4

Radius: 10.9

Gravity: 7.38 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 1.56 AU - 1.82 AU

Year: 1441 Days

Day: 11.3 Hours

Environment

Temp: -193 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 36,331,667 km

• M1: 135,536 km (0.089 R)
• M2: 780,452 km (0.061 R)
• M3: 1,286,242 km (0.056 R)
• M4: 1,664,276 km (0.104 R)
• M5: 2,664,936 km (0.095 R)
• M6: 3,730,672 km (0.08 R)
• M7: 4,417,775 km (0.077 R)
• M8: 5,338,250 km (0.075 R)
• M9: 5,925,871 km (0.112 R)
• M10: 6,965,875 km (0.105 R)
• M11: 8,269,471 km (0.118 R)
• M12: 8,901,821 km (0.045 R)
• M13: 9,729,098 km (0.051 R)
• M14: 10,229,203 km (0.075 R)
• M15: 11,029,402 km (0.093 R)
• M16: 11,908,290 km (0.08 R)
• M17: 12,365,012 km (0.025 R)
• M18: 12,872,897 km (0.106 R)

Asteroid Belt

Center: 2.04 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 2.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 122.1

Radius: 8.5

Gravity: 1.69 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 2.03 AU - 2.73 AU

Year: 2409 Days

Day: 9.5 Hours

Environment

Temp: -193 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 36,331,667 km

• M1: 105,766 km (0.12 R)
• M2: 545,135 km (0.064 R)
• M3: 1,066,633 km (0.119 R)
• M4: 1,779,167 km (0.104 R)
• M5: 2,557,525 km (0.078 R)
• M6: 2,997,343 km (0.058 R)
• M7: 3,884,309 km (0.071 R)
• M8: 4,160,167 km (0.104 R)
• M9: 5,398,389 km (0.083 R)
• M10: 7,246,820 km (0.039 R)
• M11: 9,194,435 km (0.071 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 418.9

Radius: 9.2

Gravity: 4.95 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 4.7 AU - 6.28 AU

Year: 8439 Days

Day: 8.1 Hours

Environment

Temp: -213 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 36,331,667 km

• M1: 114,442 km (0.074 R)
• M2: 417,378 km (0.031 R)
• M3: 943,963 km (0.12 R)
• M4: 1,334,862 km (0.102 R)
• M5: 1,694,046 km (0.105 R)
• M6: 2,165,130 km (0.117 R)
• M7: 2,740,633 km (0.075 R)
• M8: 3,095,629 km (0.104 R)
• M9: 3,548,461 km (0.112 R)
• M10: 6,928,027 km (0.083 R)
• M11: 8,174,327 km (0.032 R)
• M12: 9,653,102 km (0.076 R)
• M13: 13,520,057 km (0.048 R)
• M14: 14,969,661 km (0.062 R)
• M15: 15,825,360 km (0.076 R)
• M16: 16,907,851 km (0.113 R)
• M17: 18,588,134 km (0.075 R)
• M18: 22,277,965 km (0.071 R)
• M19: 24,627,549 km (0.099 R)
• M20: 26,604,934 km (0.104 R)
• M21: 27,768,207 km (0.085 R)
• M22: 35,362,543 km (0.087 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 330 - 18,220 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit