🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.34

Radius: 1.62

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 0.56 AU - 0.74 AU

Year: 195 Days

Day: 20.8 Hours

Environment

Temp: 119 °C

Axial Tilt: 19 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 58,709,519 km

• M1: 254,167 km (0.092 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.8 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.66

Radius: 1.48

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 2.58 AU - 3.02 AU

Year: 1747 Days

Day: 28.1 Hours

Environment

Temp: -108 °C

Axial Tilt: 31.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.9 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.43

Radius: 1.64

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 2.29 AU - 3.51 AU

Year: 1841 Days

Day: 40.7 Hours

Environment

Temp: -99 °C

Axial Tilt: 21 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 5.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 531.7

Radius: 13.7

Gravity: 2.83 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 5.07 AU - 5.91 AU

Year: 4795 Days

Day: 7.4 Hours

Environment

Temp: -157 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 58,709,519 km

• M1: 170,392 km (0.103 R)
• M2: 765,343 km (0.094 R)
• M3: 1,215,184 km (0.093 R)
• M4: 1,712,746 km (0.07 R)
• M5: 3,325,411 km (0.094 R)
• M6: 3,812,053 km (0.102 R)
• M7: 4,607,764 km (0.055 R)
• M8: 5,650,162 km (0.096 R)
• M9: 8,200,058 km (0.088 R)
• M10: 9,173,042 km (0.046 R)
• M11: 10,862,152 km (0.114 R)
• M12: 11,484,030 km (0.046 R)
• M13: 13,093,404 km (0.077 R)
• M14: 13,543,544 km (0.104 R)
• M15: 15,559,675 km (0.106 R)
• M16: 16,008,468 km (0.103 R)
• M17: 16,523,683 km (0.102 R)
• M18: 17,951,744 km (0.1 R)
• M19: 19,203,579 km (0.09 R)
• M20: 21,950,645 km (0.086 R)
• M21: 23,454,702 km (0.098 R)

Planet 5 - Ice Giant

Semi-Major Axis: 13.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 357.7

Radius: 3.4

Gravity: 30.94 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 13.22 AU - 14.04 AU

Year: 18759 Days

Day: 22.7 Hours

Environment

Temp: -187 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 58,709,519 km

• M1: 42,935 km (0.089 R)
• M2: 464,053 km (0.084 R)
• M3: 593,455 km (0.045 R)
• M4: 719,416 km (0.119 R)
• M5: 958,922 km (0.076 R)
• M6: 1,097,450 km (0.076 R)
• M7: 2,756,790 km (0.074 R)
• M8: 3,603,364 km (0.11 R)
• M9: 4,609,858 km (0.074 R)
• M10: 6,693,906 km (0.118 R)
• M11: 7,553,047 km (0.063 R)
• M12: 12,462,699 km (0.102 R)
• M13: 14,365,285 km (0.032 R)
• M14: 16,377,825 km (0.087 R)
• M15: 16,528,470 km (0.112 R)
• M16: 19,231,255 km (0.097 R)
• M17: 19,993,157 km (0.036 R)
• M18: 20,251,513 km (0.116 R)
• M19: 22,958,785 km (0.089 R)
• M20: 25,593,054 km (0.101 R)
• M21: 26,410,606 km (0.085 R)
• M22: 28,097,622 km (0.112 R)
• M23: 28,205,482 km (0.072 R)
• M24: 36,198,646 km (0.026 R)
• M25: 37,227,879 km (0.099 R)
• M26: 37,749,826 km (0.107 R)
• M27: 44,106,688 km (0.095 R)
• M28: 46,927,954 km (0.12 R)
• M29: 48,459,986 km (0.112 R)
• M30: 55,090,613 km (0.114 R)
• M31: 56,108,925 km (0.092 R)
• M32: 58,358,279 km (0.049 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: 476 - 18,816 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit