🌌 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: 0.66 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.78

Radius: 0.91

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 0.54 AU - 0.78 AU

Year: 201 Days

Day: 46.7 Hours

Environment

Temp: 173 °C

Axial Tilt: 0.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.71 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.67

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 0.6 AU - 0.82 AU

Year: 224 Days

Day: 43.7 Hours

Environment

Temp: 136 °C

Axial Tilt: 42.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 64,817,833 km

• M1: 71,807 km (0.05 R)
• M2: 131,197 km (0.103 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.9 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.65

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 0.76 AU - 1.04 AU

Year: 320 Days

Day: 33.4 Hours

Environment

Temp: 47 °C

Axial Tilt: 13.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.67

Radius: 0.85

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 1.27 AU - 1.31 AU

Year: 549 Days

Day: 20 Hours

Environment

Temp: -24 °C

Axial Tilt: 43.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.58

Radius: 1.2

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 1.77 AU - 2.11 AU

Year: 1013 Days

Day: 17 Hours

Environment

Temp: -67 °C

Axial Tilt: 20.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 7.76 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 13.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 482.7

Radius: 7.2

Gravity: 9.31 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 12.82 AU - 14.32 AU

Year: 18733 Days

Day: 23.6 Hours

Environment

Temp: -186 °C

Axial Tilt: 42.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 64,817,833 km

• M1: 89,609 km (0.103 R)
• M2: 391,049 km (0.115 R)
• M3: 631,004 km (0.087 R)
• M4: 1,137,841 km (0.087 R)
• M5: 1,363,585 km (0.088 R)
• M6: 1,635,703 km (0.116 R)
• M7: 2,074,324 km (0.114 R)
• M8: 2,352,875 km (0.051 R)
• M9: 2,841,013 km (0.115 R)
• M10: 3,958,808 km (0.095 R)
• M11: 4,550,618 km (0.082 R)
• M12: 5,832,073 km (0.048 R)
• M13: 6,681,938 km (0.092 R)
• M14: 8,425,801 km (0.056 R)
• M15: 8,879,382 km (0.101 R)
• M16: 9,190,844 km (0.071 R)
• M17: 9,563,343 km (0.096 R)
• M18: 13,315,856 km (0.088 R)
• M19: 14,926,576 km (0.094 R)
• M20: 22,964,021 km (0.12 R)
• M21: 26,106,923 km (0.053 R)
• M22: 27,396,756 km (0.092 R)
• M23: 28,168,531 km (0.098 R)
• M24: 28,954,668 km (0.104 R)
• M25: 29,755,465 km (0.074 R)
• M26: 30,806,540 km (0.091 R)
• M27: 33,106,308 km (0.12 R)
• M28: 43,155,844 km (0.104 R)
• M29: 45,414,024 km (0.116 R)
• M30: 48,226,464 km (0.081 R)
• M31: 52,828,842 km (0.077 R)
• M32: 55,236,171 km (0.1 R)
• M33: 58,075,838 km (0.082 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: 289 - 16,323 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit