🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.35

Radius: 1.41

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 0.47 AU - 0.71 AU

Year: 160 Days

Day: 41.9 Hours

Environment

Temp: 202 °C

Axial Tilt: 25.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.33

Radius: 0.64

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 0.68 AU - 0.78 AU

Year: 220 Days

Day: 21.2 Hours

Environment

Temp: 193 °C

Axial Tilt: 27.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.28 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.74

Radius: 0.89

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 1.08 AU - 1.48 AU

Year: 511 Days

Day: 22.2 Hours

Environment

Temp: 14 °C

Axial Tilt: 31.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.43 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.9

Radius: 0.96

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 1.23 AU - 1.63 AU

Year: 604 Days

Day: 21.3 Hours

Environment

Temp: -15 °C

Axial Tilt: 32.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 27,547,597 km

• M1: 22,440 km (0.076 R)
• M2: 755,020 km (0.081 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.6

Radius: 1.67

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 1.68 AU - 2.36 AU

Year: 1014 Days

Day: 42.9 Hours

Environment

Temp: -53 °C

Axial Tilt: 45.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.88 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.37

Radius: 0.67

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 3.67 AU - 4.09 AU

Year: 2699 Days

Day: 43.3 Hours

Environment

Temp: -118 °C

Axial Tilt: 22.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.01 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 6.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 314.4

Radius: 12.1

Gravity: 2.15 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 4.74 AU - 7.52 AU

Year: 5359 Days

Day: 14.1 Hours

Environment

Temp: -153 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 27,547,597 km

• M1: 150,495 km (0.091 R)
• M2: 552,465 km (0.065 R)
• M3: 1,021,753 km (0.104 R)
• M4: 1,480,720 km (0.118 R)
• M5: 1,921,136 km (0.05 R)
• M6: 2,525,661 km (0.038 R)
• M7: 3,678,761 km (0.054 R)
• M8: 4,430,939 km (0.104 R)
• M9: 5,054,164 km (0.078 R)
• M10: 6,126,482 km (0.028 R)
• M11: 7,507,719 km (0.103 R)
• M12: 9,737,625 km (0.09 R)
• M13: 10,835,075 km (0.073 R)
• M14: 11,655,469 km (0.099 R)
• M15: 12,656,728 km (0.118 R)
• M16: 13,863,085 km (0.106 R)
• M17: 14,934,355 km (0.067 R)
• M18: 16,559,587 km (0.104 R)
• M19: 18,120,491 km (0.098 R)
• M20: 24,394,326 km (0.093 R)

Planet 8 - Gas Giant

Semi-Major Axis: 10.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 81.2

Radius: 14.9

Gravity: 0.37 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 10.85 AU - 10.89 AU

Year: 12654 Days

Day: 13.3 Hours

Environment

Temp: -167 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 27,547,597 km

• M1: 187,895 km (0.039 R)
• M2: 735,872 km (0.085 R)
• M3: 1,358,498 km (0.043 R)
• M4: 2,990,013 km (0.072 R)
• M5: 4,566,026 km (0.088 R)
• M6: 5,199,424 km (0.103 R)
• M7: 5,663,327 km (0.087 R)
• M8: 10,786,006 km (0.076 R)
• M9: 11,408,633 km (0.082 R)
• M10: 13,472,036 km (0.113 R)
• M11: 16,461,002 km (0.119 R)
• M12: 17,287,530 km (0.113 R)
• M13: 20,466,784 km (0.063 R)
• M14: 21,215,222 km (0.11 R)
• M15: 22,551,281 km (0.096 R)
• M16: 24,167,536 km (0.074 R)
• M17: 25,390,499 km (0.083 R)
• M18: 26,494,232 km (0.07 R)

Kuiper Belt

Range: 31.1 - 46.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 331 - 19,554 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit