🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.66

Radius: 1.22

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 0.45 AU - 0.57 AU

Year: 239 Days

Day: 27.6 Hours

Environment

Temp: -107 °C

Axial Tilt: 18.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 14,281,338 km

• M1: 50,863 km (0.111 R)
• M2: 263,891 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 366.3

Radius: 10.9

Gravity: 3.08 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 1.77 AU - 1.87 AU

Year: 1611 Days

Day: 8.4 Hours

Environment

Temp: -185 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 14,281,338 km

• M1: 135,536 km (0.046 R)
• M2: 487,988 km (0.05 R)
• M3: 863,928 km (0.115 R)
• M4: 1,386,473 km (0.079 R)
• M5: 2,299,319 km (0.114 R)
• M6: 2,835,029 km (0.038 R)
• M7: 3,246,872 km (0.112 R)
• M8: 3,682,950 km (0.094 R)
• M9: 4,209,235 km (0.09 R)
• M10: 4,563,333 km (0.084 R)
• M11: 5,454,189 km (0.117 R)
• M12: 6,162,086 km (0.087 R)
• M13: 6,643,641 km (0.071 R)
• M14: 7,027,360 km (0.068 R)
• M15: 7,786,719 km (0.06 R)
• M16: 8,186,594 km (0.06 R)
• M17: 8,769,427 km (0.119 R)
• M18: 10,395,556 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 165.4

Radius: 12.2

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 1.86 AU - 1.86 AU

Year: 1664 Days

Day: 10.9 Hours

Environment

Temp: -193 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 14,281,338 km

• M1: 151,692 km (0.109 R)
• M2: 572,960 km (0.097 R)
• M3: 1,164,619 km (0.032 R)
• M4: 1,787,395 km (0.112 R)
• M5: 2,798,228 km (0.095 R)
• M6: 3,852,594 km (0.105 R)
• M7: 5,283,647 km (0.068 R)
• M8: 5,898,046 km (0.109 R)
• M9: 7,573,243 km (0.029 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 28.1

Radius: 14.4

Gravity: 0.14 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 2.51 AU - 2.95 AU

Year: 2959 Days

Day: 14.9 Hours

Environment

Temp: -206 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 14,281,338 km

• M1: 341,382 km (0.076 R)
• M2: 1,021,604 km (0.113 R)
• M3: 2,012,839 km (0.098 R)
• M4: 2,785,961 km (0.055 R)
• M5: 3,929,038 km (0.082 R)
• M6: 5,365,178 km (0.106 R)
• M7: 6,816,876 km (0.057 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 145.5

Radius: 13.2

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 3.03 AU - 3.11 AU

Year: 3529 Days

Day: 13.9 Hours

Environment

Temp: -210 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 14,281,338 km

• M1: 164,857 km (0.081 R)
• M2: 588,817 km (0.106 R)
• M3: 1,629,869 km (0.112 R)
• M4: 2,126,384 km (0.104 R)
• M5: 2,656,709 km (0.069 R)
• M6: 3,795,896 km (0.117 R)
• M7: 6,096,113 km (0.058 R)
• M8: 6,684,781 km (0.111 R)
• M9: 7,638,916 km (0.04 R)
• M10: 9,751,836 km (0.101 R)
• M11: 10,697,594 km (0.107 R)
• M12: 11,301,072 km (0.056 R)
• M13: 12,615,140 km (0.072 R)
• M14: 13,573,464 km (0.073 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: 542 - 12,812 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit