🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.32

Radius: 1.12

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 0.56 AU - 0.58 AU

Year: 278 Days

Day: 29.3 Hours

Environment

Temp: -128 °C

Axial Tilt: 10.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 19,878,754 km

• M1: 27,526 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 948.6

Radius: 11.8

Gravity: 6.81 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 0.79 AU - 0.93 AU

Year: 515 Days

Day: 9.8 Hours

Environment

Temp: -141 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 19,878,754 km

• M1: 146,756 km (0.099 R)
• M2: 525,986 km (0.107 R)
• M3: 1,074,711 km (0.074 R)
• M4: 1,482,066 km (0.09 R)
• M5: 2,221,080 km (0.082 R)
• M6: 2,686,628 km (0.089 R)
• M7: 3,143,799 km (0.073 R)
• M8: 3,520,636 km (0.118 R)
• M9: 4,519,950 km (0.076 R)
• M10: 5,378,043 km (0.057 R)
• M11: 6,499,579 km (0.105 R)
• M12: 7,052,642 km (0.079 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 822.3

Radius: 8.9

Gravity: 10.38 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 1.08 AU - 1.36 AU

Year: 870 Days

Day: 5.4 Hours

Environment

Temp: -162 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 19,878,754 km

• M1: 111,151 km (0.106 R)
• M2: 425,756 km (0.118 R)
• M3: 859,440 km (0.109 R)
• M4: 1,253,181 km (0.085 R)
• M5: 1,558,511 km (0.092 R)
• M6: 2,030,791 km (0.08 R)
• M7: 2,378,157 km (0.079 R)
• M8: 3,059,276 km (0.058 R)
• M9: 3,651,086 km (0.083 R)
• M10: 5,766,848 km (0.105 R)
• M11: 6,602,203 km (0.096 R)
• M12: 7,013,896 km (0.028 R)
• M13: 8,016,202 km (0.099 R)
• M14: 8,458,563 km (0.116 R)
• M15: 8,835,101 km (0.092 R)
• M16: 9,767,245 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 847.8

Radius: 13

Gravity: 5.02 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 1.99 AU - 2.81 AU

Year: 2401 Days

Day: 7.1 Hours

Environment

Temp: -190 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 19,878,754 km

• M1: 161,715 km (0.103 R)
• M2: 580,739 km (0.092 R)
• M3: 1,066,334 km (0.089 R)
• M4: 1,841,251 km (0.068 R)
• M5: 2,524,165 km (0.109 R)
• M6: 3,388,691 km (0.118 R)
• M7: 4,211,180 km (0.096 R)
• M8: 5,378,941 km (0.059 R)
• M9: 6,252,593 km (0.067 R)
• M10: 7,070,594 km (0.107 R)
• M11: 7,737,800 km (0.087 R)
• M12: 8,314,500 km (0.118 R)
• M13: 9,163,169 km (0.112 R)
• M14: 9,956,935 km (0.106 R)
• M15: 10,601,403 km (0.102 R)
• M16: 11,233,155 km (0.076 R)
• M17: 11,681,948 km (0.077 R)
• M18: 13,736,226 km (0.087 R)
• M19: 14,727,910 km (0.116 R)
• M20: 15,216,647 km (0.091 R)
• M21: 18,268,443 km (0.031 R)
• M22: 18,890,172 km (0.08 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 541 - 12,008 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit