🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.14

Radius: 1.58

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 0.67 AU - 0.67 AU

Year: 198 Days

Day: 14.9 Hours

Environment

Temp: 202 °C

Axial Tilt: 12 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.85 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.13

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 0.79 AU - 0.91 AU

Year: 283 Days

Day: 33.6 Hours

Environment

Temp: 98 °C

Axial Tilt: 23.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 71,945,177 km

• M1: 696,976 km (0.096 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.06 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.91

Radius: 1.53

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 0.96 AU - 1.16 AU

Year: 395 Days

Day: 47.7 Hours

Environment

Temp: 14 °C

Axial Tilt: 21.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.14 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.52

Radius: 1.65

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 1 AU - 1.28 AU

Year: 440 Days

Day: 38.3 Hours

Environment

Temp: 27 °C

Axial Tilt: 9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 1.21 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.02

Radius: 1.74

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 1.14 AU - 1.28 AU

Year: 481 Days

Day: 29.2 Hours

Environment

Temp: 5 °C

Axial Tilt: 34.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Asteroid Belt

Center: 1.69 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Terrestrial

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.38

Radius: 0.68

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 2.08 AU - 2.24 AU

Year: 1148 Days

Day: 14.9 Hours

Environment

Temp: -64 °C

Axial Tilt: 21.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.61

Radius: 1.47

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 1.88 AU - 2.74 AU

Year: 1270 Days

Day: 34.3 Hours

Environment

Temp: -75 °C

Axial Tilt: 33.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 71,945,177 km

• M1: 80,484 km (0.087 R)
• M2: 224,696 km (0.077 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 296.2

Radius: 3.1

Gravity: 30.82 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 16.7 AU - 19.6 AU

Year: 27964 Days

Day: 21.2 Hours

Environment

Temp: -202 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 71,945,177 km

• M1: 39,494 km (0.034 R)
• M2: 165,904 km (0.085 R)
• M3: 385,663 km (0.053 R)
• M4: 596,746 km (0.059 R)
• M5: 1,738,477 km (0.046 R)
• M6: 2,506,961 km (0.111 R)
• M7: 2,815,133 km (0.119 R)
• M8: 3,860,971 km (0.092 R)
• M9: 5,636,848 km (0.116 R)
• M10: 8,241,945 km (0.037 R)
• M11: 8,602,326 km (0.091 R)
• M12: 12,666,452 km (0.11 R)
• M13: 13,355,200 km (0.115 R)
• M14: 15,726,177 km (0.065 R)
• M15: 24,177,709 km (0.093 R)
• M16: 24,914,478 km (0.066 R)
• M17: 29,058,938 km (0.065 R)
• M18: 48,541,517 km (0.046 R)
• M19: 48,874,073 km (0.103 R)
• M20: 49,712,120 km (0.079 R)
• M21: 59,382,576 km (0.086 R)
• M22: 60,914,009 km (0.117 R)

Kuiper Belt

Range: 30.3 - 45.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 150 - 10,265 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit