🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.91 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.15

Radius: 1.36

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 1.67 AU - 1.97 AU

Year: 915 Days

Day: 43.7 Hours

Environment

Temp: -70 °C

Axial Tilt: 0.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 40,370,652 km

• M1: 1,134,700 km (0.104 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.99

Radius: 1.74

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 2.51 AU - 2.83 AU

Year: 1626 Days

Day: 47.8 Hours

Environment

Temp: -102 °C

Axial Tilt: 10.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 40,370,652 km

• M1: 1,164,021 km (0.036 R)

Asteroid Belt

Center: 4.5 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 6.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 445.2

Radius: 12.2

Gravity: 2.99 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 6.3 AU - 6.36 AU

Year: 5937 Days

Day: 7.6 Hours

Environment

Temp: -158 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 40,370,652 km

• M1: 151,842 km (0.073 R)
• M2: 613,052 km (0.087 R)
• M3: 1,457,083 km (0.113 R)
• M4: 2,075,670 km (0.115 R)
• M5: 2,487,663 km (0.114 R)
• M6: 3,298,483 km (0.098 R)
• M7: 4,090,754 km (0.091 R)
• M8: 4,848,916 km (0.05 R)
• M9: 5,815,168 km (0.12 R)
• M10: 6,548,946 km (0.027 R)
• M11: 10,116,706 km (0.085 R)
• M12: 11,087,446 km (0.119 R)
• M13: 15,372,228 km (0.102 R)
• M14: 15,888,491 km (0.094 R)
• M15: 17,077,195 km (0.109 R)
• M16: 18,516,476 km (0.117 R)
• M17: 20,582,273 km (0.036 R)
• M18: 22,797,668 km (0.043 R)

Planet 4 - Gas Giant

Semi-Major Axis: 10.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 280.8

Radius: 12.3

Gravity: 1.86 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 9.45 AU - 10.87 AU

Year: 12072 Days

Day: 8.1 Hours

Environment

Temp: -186 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 40,370,652 km

• M1: 155,582 km (0.113 R)
• M2: 773,870 km (0.061 R)
• M3: 1,533,528 km (0.096 R)
• M4: 1,967,511 km (0.049 R)
• M5: 2,844,454 km (0.095 R)
• M6: 3,418,012 km (0.066 R)
• M7: 4,328,465 km (0.046 R)
• M8: 5,456,582 km (0.062 R)
• M9: 7,178,005 km (0.099 R)
• M10: 12,033,653 km (0.077 R)
• M11: 12,966,844 km (0.113 R)
• M12: 16,649,196 km (0.071 R)
• M13: 21,368,410 km (0.106 R)
• M14: 22,408,863 km (0.078 R)
• M15: 33,026,872 km (0.073 R)
• M16: 33,557,196 km (0.04 R)
• M17: 35,402,486 km (0.091 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 368 - 18,590 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit