🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.92

Radius: 0.97

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 0.44 AU - 0.68 AU

Year: 156 Days

Day: 32.4 Hours

Environment

Temp: 225 °C

Axial Tilt: 28.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.88 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.85

Radius: 0.94

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 0.83 AU - 0.93 AU

Year: 308 Days

Day: 40.6 Hours

Environment

Temp: 63 °C

Axial Tilt: 49.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 23,645,652 km

• M1: 83,476 km (0.103 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.64

Radius: 0.84

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 1.05 AU - 1.71 AU

Year: 604 Days

Day: 44.9 Hours

Environment

Temp: -43 °C

Axial Tilt: 89.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.71 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.77

Radius: 1.87

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 2.43 AU - 2.99 AU

Year: 1663 Days

Day: 17.5 Hours

Environment

Temp: -93 °C

Axial Tilt: 35.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 6.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 424.3

Radius: 13.6

Gravity: 2.29 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 6.14 AU - 7 AU

Year: 6278 Days

Day: 7.2 Hours

Environment

Temp: -155 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 23,645,652 km

• M1: 181,761 km (0.119 R)
• M2: 844,330 km (0.073 R)
• M3: 1,269,039 km (0.107 R)
• M4: 1,790,836 km (0.032 R)
• M5: 2,741,381 km (0.087 R)
• M6: 3,242,085 km (0.093 R)
• M7: 3,673,675 km (0.052 R)
• M8: 4,528,926 km (0.108 R)
• M9: 8,578,241 km (0.058 R)
• M10: 11,757,046 km (0.074 R)
• M11: 29,072,102 km (0.11 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 183.3

Radius: 15

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 6.59 AU - 7.13 AU

Year: 6698 Days

Day: 5.5 Hours

Environment

Temp: -152 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 23,645,652 km

• M1: 191,186 km (0.041 R)
• M2: 707,000 km (0.101 R)
• M3: 1,175,241 km (0.053 R)
• M4: 1,987,408 km (0.112 R)
• M5: 2,653,417 km (0.118 R)
• M6: 3,353,685 km (0.113 R)
• M7: 4,859,088 km (0.083 R)
• M8: 6,193,202 km (0.072 R)
• M9: 6,718,590 km (0.086 R)
• M10: 7,726,730 km (0.1 R)
• M11: 8,232,969 km (0.06 R)
• M12: 8,869,807 km (0.089 R)
• M13: 9,425,563 km (0.096 R)
• M14: 10,525,257 km (0.117 R)
• M15: 12,839,237 km (0.066 R)
• M16: 14,797,773 km (0.081 R)
• M17: 16,118,871 km (0.097 R)
• M18: 16,613,292 km (0.07 R)
• M19: 17,117,736 km (0.104 R)
• M20: 19,795,987 km (0.118 R)
• M21: 20,299,833 km (0.112 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 168 - 14,633 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit