🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.77

Radius: 1.26

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.48 AU - 0.78 AU

Year: 328 Days

Day: 12.3 Hours

Environment

Temp: -125 °C

Axial Tilt: 44.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 12,216,915 km

• M1: 103,372 km (0.108 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.55

Radius: 1.19

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 0.63 AU - 0.69 AU

Year: 352 Days

Day: 47.1 Hours

Environment

Temp: -136 °C

Axial Tilt: 19.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 12,216,915 km

• M1: 522,396 km (0.071 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 475.4

Radius: 9.1

Gravity: 5.74 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 0.96 AU - 0.96 AU

Year: 617 Days

Day: 14.5 Hours

Environment

Temp: -148 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 12,216,915 km

• M1: 113,246 km (0.07 R)
• M2: 429,944 km (0.064 R)
• M3: 739,013 km (0.086 R)
• M4: 1,167,611 km (0.106 R)
• M5: 1,492,089 km (0.09 R)
• M6: 2,063,403 km (0.086 R)
• M7: 2,678,400 km (0.035 R)
• M8: 3,574,791 km (0.119 R)
• M9: 4,155,829 km (0.087 R)
• M10: 5,318,653 km (0.11 R)
• M11: 5,697,734 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 662.4

Radius: 8.6

Gravity: 8.96 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 1.25 AU - 1.71 AU

Year: 1181 Days

Day: 7.7 Hours

Environment

Temp: -171 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 12,216,915 km

• M1: 106,962 km (0.091 R)
• M2: 427,700 km (0.089 R)
• M3: 814,261 km (0.078 R)
• M4: 1,143,825 km (0.08 R)
• M5: 1,742,666 km (0.073 R)
• M6: 2,156,603 km (0.095 R)
• M7: 2,464,027 km (0.12 R)
• M8: 3,446,137 km (0.062 R)
• M9: 3,772,110 km (0.112 R)
• M10: 4,238,706 km (0.084 R)
• M11: 4,894,842 km (0.114 R)
• M12: 5,267,491 km (0.054 R)
• M13: 5,829,530 km (0.071 R)
• M14: 6,999,984 km (0.098 R)
• M15: 7,296,786 km (0.12 R)
• M16: 7,836,385 km (0.069 R)
• M17: 9,024,342 km (0.082 R)
• M18: 9,346,576 km (0.077 R)
• M19: 9,767,843 km (0.102 R)
• M20: 10,201,827 km (0.067 R)
• M21: 10,843,901 km (0.119 R)
• M22: 11,342,959 km (0.057 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 509

Radius: 14.7

Gravity: 2.36 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 1.59 AU - 1.87 AU

Year: 1493 Days

Day: 7.5 Hours

Environment

Temp: -175 °C

Axial Tilt: 56 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 12,216,915 km

• M1: 182,809 km (0.078 R)
• M2: 668,403 km (0.119 R)
• M3: 1,132,905 km (0.071 R)
• M4: 1,642,435 km (0.092 R)
• M5: 2,206,868 km (0.088 R)
• M6: 2,692,313 km (0.118 R)
• M7: 3,564,468 km (0.063 R)
• M8: 4,119,028 km (0.101 R)
• M9: 4,806,729 km (0.045 R)
• M10: 5,915,549 km (0.061 R)
• M11: 6,390,671 km (0.093 R)
• M12: 7,547,213 km (0.069 R)
• M13: 8,609,357 km (0.076 R)
• M14: 9,102,731 km (0.114 R)
• M15: 9,676,439 km (0.104 R)
• M16: 10,370,723 km (0.107 R)
• M17: 11,788,911 km (0.093 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 270 - 19,590 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit