🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.51 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 68.7

Radius: 9.8

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 0.92 AU - 1.1 AU

Year: 645 Days

Day: 13 Hours

Environment

Temp: -166 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 14,057,673 km

• M1: 122,072 km (0.068 R)
• M2: 443,707 km (0.058 R)
• M3: 793,766 km (0.073 R)
• M4: 2,180,688 km (0.092 R)
• M5: 3,460,049 km (0.087 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 878.1

Radius: 14.2

Gravity: 4.35 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 0.92 AU - 1.18 AU

Year: 684 Days

Day: 8.2 Hours

Environment

Temp: -151 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 14,057,673 km

• M1: 176,675 km (0.116 R)
• M2: 769,083 km (0.093 R)
• M3: 1,404,275 km (0.1 R)
• M4: 2,010,446 km (0.111 R)
• M5: 2,697,250 km (0.103 R)
• M6: 3,634,331 km (0.048 R)
• M7: 5,073,313 km (0.075 R)
• M8: 5,756,975 km (0.066 R)
• M9: 6,253,041 km (0.066 R)
• M10: 6,842,756 km (0.118 R)
• M11: 7,608,697 km (0.085 R)
• M12: 8,061,081 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 439

Radius: 12.7

Gravity: 2.72 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 1.16 AU - 1.26 AU

Year: 846 Days

Day: 9.6 Hours

Environment

Temp: -177 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 14,057,673 km

• M1: 159,322 km (0.118 R)
• M2: 576,251 km (0.08 R)
• M3: 1,307,186 km (0.075 R)
• M4: 2,064,151 km (0.076 R)
• M5: 3,145,744 km (0.027 R)
• M6: 3,653,479 km (0.072 R)
• M7: 4,185,599 km (0.106 R)
• M8: 5,072,415 km (0.056 R)
• M9: 5,478,872 km (0.11 R)
• M10: 6,119,750 km (0.113 R)
• M11: 7,196,256 km (0.061 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 206.1

Radius: 13.7

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 2.18 AU - 2.48 AU

Year: 2261 Days

Day: 11.1 Hours

Environment

Temp: -196 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 14,057,673 km

• M1: 170,392 km (0.075 R)
• M2: 657,183 km (0.039 R)
• M3: 1,151,006 km (0.042 R)
• M4: 1,710,951 km (0.091 R)
• M5: 2,404,487 km (0.113 R)
• M6: 3,294,444 km (0.103 R)
• M7: 3,947,439 km (0.112 R)
• M8: 4,411,940 km (0.096 R)
• M9: 5,167,709 km (0.037 R)
• M10: 6,769,004 km (0.105 R)
• M11: 7,210,318 km (0.1 R)
• M12: 8,794,410 km (0.116 R)
• M13: 10,245,659 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 74.9

Radius: 13.5

Gravity: 0.41 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 2.91 AU - 4.79 AU

Year: 4803 Days

Day: 8.9 Hours

Environment

Temp: -201 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 14,057,673 km

• M1: 169,494 km (0.102 R)
• M2: 589,715 km (0.119 R)
• M3: 1,139,337 km (0.073 R)
• M4: 1,656,497 km (0.096 R)
• M5: 2,491,403 km (0.065 R)
• M6: 3,258,990 km (0.072 R)
• M7: 4,088,959 km (0.117 R)
• M8: 5,139,136 km (0.101 R)
• M9: 6,051,084 km (0.093 R)
• M10: 7,252,804 km (0.092 R)
• M11: 8,548,322 km (0.106 R)
• M12: 9,251,432 km (0.108 R)
• M13: 10,025,900 km (0.111 R)
• M14: 11,557,931 km (0.116 R)
• M15: 13,240,908 km (0.072 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: 372 - 18,238 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit