🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 171.6

Radius: 8.1

Gravity: 2.62 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 0.61 AU - 0.71 AU

Year: 364 Days

Day: 13.3 Hours

Environment

Temp: -147 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 6,911,683 km

• M1: 101,876 km (0.065 R)
• M2: 405,709 km (0.051 R)
• M3: 802,293 km (0.092 R)
• M4: 1,457,532 km (0.112 R)
• M5: 1,860,998 km (0.079 R)
• M6: 2,307,398 km (0.114 R)
• M7: 2,621,403 km (0.051 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 156.1

Radius: 13.8

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 0.62 AU - 0.78 AU

Year: 397 Days

Day: 14.4 Hours

Environment

Temp: -164 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 6,911,683 km

• M1: 174,132 km (0.047 R)
• M2: 661,671 km (0.092 R)
• M3: 1,193,941 km (0.09 R)
• M4: 1,779,616 km (0.114 R)
• M5: 2,392,519 km (0.117 R)
• M6: 2,842,958 km (0.084 R)
• M7: 3,340,969 km (0.075 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 773.9

Radius: 12.2

Gravity: 5.2 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 0.66 AU - 0.74 AU

Year: 397 Days

Day: 10.9 Hours

Environment

Temp: -168 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 6,911,683 km

• M1: 151,692 km (0.08 R)
• M2: 583,132 km (0.115 R)
• M3: 1,417,589 km (0.1 R)
• M4: 1,816,268 km (0.108 R)
• M5: 2,290,942 km (0.107 R)
• M6: 3,017,239 km (0.083 R)
• M7: 3,578,979 km (0.086 R)
• M8: 4,196,071 km (0.101 R)
• M9: 4,675,233 km (0.059 R)
• M10: 5,190,897 km (0.089 R)
• M11: 5,778,068 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 140.3

Radius: 8.4

Gravity: 1.99 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 0.61 AU - 0.83 AU

Year: 414 Days

Day: 10.1 Hours

Environment

Temp: -163 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 6,911,683 km

• M1: 104,419 km (0.116 R)
• M2: 405,261 km (0.053 R)
• M3: 695,780 km (0.108 R)
• M4: 1,047,185 km (0.093 R)
• M5: 1,318,107 km (0.077 R)
• M6: 1,714,990 km (0.097 R)
• M7: 2,040,964 km (0.085 R)
• M8: 2,784,615 km (0.115 R)
• M9: 3,181,049 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 83.3

Radius: 12

Gravity: 0.58 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 1.44 AU - 2.06 AU

Year: 1570 Days

Day: 8.4 Hours

Environment

Temp: -195 °C

Axial Tilt: 44.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 6,911,683 km

• M1: 150,495 km (0.119 R)
• M2: 675,734 km (0.058 R)
• M3: 1,105,528 km (0.103 R)
• M4: 1,897,200 km (0.109 R)
• M5: 2,705,029 km (0.054 R)
• M6: 4,741,953 km (0.1 R)
• M7: 5,676,790 km (0.037 R)
• M8: 6,572,582 km (0.119 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 413 - 12,531 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit