🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 794.8

Radius: 10.1

Gravity: 7.79 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 0.59 AU - 0.83 AU

Year: 386 Days

Day: 13.3 Hours

Environment

Temp: -136 °C

Axial Tilt: 44 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 53,947,985 km

• M1: 125,662 km (0.103 R)
• M2: 469,887 km (0.075 R)
• M3: 1,012,179 km (0.057 R)
• M4: 1,454,390 km (0.109 R)
• M5: 2,149,123 km (0.039 R)
• M6: 2,472,404 km (0.081 R)
• M7: 2,797,331 km (0.086 R)
• M8: 3,252,557 km (0.047 R)
• M9: 4,243,643 km (0.041 R)
• M10: 5,060,148 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 549

Radius: 13.7

Gravity: 2.93 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 1.01 AU - 1.07 AU

Year: 685 Days

Day: 7.7 Hours

Environment

Temp: -162 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 53,947,985 km

• M1: 170,542 km (0.077 R)
• M2: 647,011 km (0.11 R)
• M3: 1,428,809 km (0.082 R)
• M4: 2,188,766 km (0.061 R)
• M5: 2,933,913 km (0.07 R)
• M6: 3,533,950 km (0.103 R)
• M7: 5,183,865 km (0.102 R)
• M8: 5,639,989 km (0.078 R)
• M9: 6,161,039 km (0.115 R)
• M10: 7,172,171 km (0.077 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 296.7

Radius: 12.6

Gravity: 1.87 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 1.15 AU - 1.35 AU

Year: 902 Days

Day: 13.5 Hours

Environment

Temp: -180 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 53,947,985 km

• M1: 156,779 km (0.104 R)
• M2: 564,134 km (0.048 R)
• M3: 1,027,887 km (0.036 R)
• M4: 1,714,242 km (0.079 R)
• M5: 2,265,809 km (0.12 R)
• M6: 2,945,582 km (0.108 R)
• M7: 4,239,005 km (0.097 R)
• M8: 5,716,135 km (0.118 R)
• M9: 6,855,771 km (0.076 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 697.8

Radius: 6.9

Gravity: 14.66 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 5.78 AU - 8.12 AU

Year: 11830 Days

Day: 23.2 Hours

Environment

Temp: -214 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 53,947,985 km

• M1: 87,814 km (0.083 R)
• M2: 775,964 km (0.046 R)
• M3: 1,043,445 km (0.078 R)
• M4: 1,951,953 km (0.104 R)
• M5: 3,880,120 km (0.084 R)
• M6: 4,162,411 km (0.065 R)
• M7: 4,488,834 km (0.109 R)
• M8: 4,768,432 km (0.099 R)
• M9: 5,501,312 km (0.032 R)
• M10: 8,104,614 km (0.076 R)
• M11: 9,748,994 km (0.053 R)
• M12: 10,113,265 km (0.055 R)
• M13: 12,013,307 km (0.116 R)
• M14: 13,812,072 km (0.089 R)
• M15: 18,879,102 km (0.089 R)
• M16: 28,710,375 km (0.08 R)
• M17: 30,330,220 km (0.094 R)
• M18: 37,674,279 km (0.065 R)
• M19: 39,877,257 km (0.089 R)
• M20: 42,027,577 km (0.032 R)
• M21: 45,974,866 km (0.079 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 304 - 17,048 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit