🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.69 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.79

Radius: 0.91

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 0.61 AU - 0.77 AU

Year: 201 Days

Day: 15.3 Hours

Environment

Temp: 231 °C

Axial Tilt: 1.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.47 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.98

Radius: 0.99

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 1.37 AU - 1.57 AU

Year: 624 Days

Day: 42.3 Hours

Environment

Temp: 4 °C

Axial Tilt: 9.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 28,154,381 km

• M1: 31,715 km (0.072 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.22

Radius: 1.08

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 1.88 AU - 2.06 AU

Year: 967 Days

Day: 20.2 Hours

Environment

Temp: -49 °C

Axial Tilt: 8.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.08 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.8

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 2.54 AU - 3.62 AU

Year: 1891 Days

Day: 21.5 Hours

Environment

Temp: -82 °C

Axial Tilt: 8.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.98 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.28

Radius: 1.61

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 3.15 AU - 4.81 AU

Year: 2778 Days

Day: 14.1 Hours

Environment

Temp: -108 °C

Axial Tilt: 37.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.2 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.94

Radius: 1.3

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 3.99 AU - 4.41 AU

Year: 3011 Days

Day: 19.9 Hours

Environment

Temp: -114 °C

Axial Tilt: 7.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.53 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 6.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 585

Radius: 11

Gravity: 4.83 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 6.45 AU - 7.25 AU

Year: 6272 Days

Day: 13.3 Hours

Environment

Temp: -152 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 28,154,381 km

• M1: 296,952 km (0.108 R)
• M2: 1,154,447 km (0.105 R)
• M3: 2,260,573 km (0.1 R)
• M4: 2,720,437 km (0.087 R)
• M5: 4,884,071 km (0.077 R)
• M6: 5,508,792 km (0.11 R)
• M7: 6,412,812 km (0.115 R)
• M8: 7,743,485 km (0.097 R)
• M9: 11,277,136 km (0.076 R)
• M10: 12,114,735 km (0.106 R)
• M11: 20,805,773 km (0.106 R)
• M12: 22,751,592 km (0.08 R)
• M13: 25,392,294 km (0.067 R)
• M14: 27,175,351 km (0.101 R)
• M15: 28,231,063 km (0.112 R)

Planet 8 - Gas Giant

Semi-Major Axis: 7.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 312.9

Radius: 13

Gravity: 1.85 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 5.65 AU - 8.61 AU

Year: 6661 Days

Day: 12.2 Hours

Environment

Temp: -156 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 28,154,381 km

• M1: 161,715 km (0.113 R)
• M2: 865,723 km (0.058 R)
• M3: 1,435,392 km (0.094 R)
• M4: 5,680,082 km (0.118 R)
• M5: 7,431,274 km (0.093 R)
• M6: 8,618,633 km (0.118 R)
• M7: 13,191,839 km (0.111 R)
• M8: 18,786,351 km (0.102 R)
• M9: 21,048,271 km (0.074 R)
• M10: 26,027,187 km (0.114 R)

Kuiper Belt

Range: 31.4 - 46.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 522 - 19,515 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit