🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.42

Radius: 0.71

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 0.43 AU - 0.69 AU

Year: 152 Days

Day: 42.7 Hours

Environment

Temp: 177 °C

Axial Tilt: 24.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.88

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 0.55 AU - 0.85 AU

Year: 212 Days

Day: 27.6 Hours

Environment

Temp: 143 °C

Axial Tilt: 14.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 40,295,483 km

• M1: 192,233 km (0.1 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.02 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.8

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 0.97 AU - 1.07 AU

Year: 373 Days

Day: 16.2 Hours

Environment

Temp: 22 °C

Axial Tilt: 48.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.42

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 1.33 AU - 1.57 AU

Year: 631 Days

Day: 36.7 Hours

Environment

Temp: -18 °C

Axial Tilt: 45.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 40,295,483 km

• M1: 1,146,518 km (0.037 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.26

Radius: 1.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 2.16 AU - 2.24 AU

Year: 1180 Days

Day: 39.3 Hours

Environment

Temp: -63 °C

Axial Tilt: 34.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.93 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.35

Radius: 1.41

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 2.75 AU - 3.11 AU

Year: 1814 Days

Day: 29.4 Hours

Environment

Temp: -94 °C

Axial Tilt: 4.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 2.95 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.65

Radius: 1.22

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 2.58 AU - 3.32 AU

Year: 1832 Days

Day: 29.7 Hours

Environment

Temp: -102 °C

Axial Tilt: 37 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 5.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 145.8

Radius: 13.3

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 5.37 AU - 5.75 AU

Year: 4741 Days

Day: 8.3 Hours

Environment

Temp: -144 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 40,295,483 km

• M1: 166,652 km (0.038 R)
• M2: 590,164 km (0.071 R)
• M3: 1,187,807 km (0.068 R)
• M4: 1,704,817 km (0.113 R)
• M5: 3,563,272 km (0.059 R)
• M6: 5,053,416 km (0.086 R)
• M7: 6,001,717 km (0.114 R)
• M8: 9,773,678 km (0.065 R)
• M9: 10,236,085 km (0.043 R)
• M10: 14,299,612 km (0.101 R)
• M11: 16,091,944 km (0.073 R)
• M12: 17,093,202 km (0.111 R)

Planet 9 - Gas Giant

Semi-Major Axis: 7.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 645.7

Radius: 11.7

Gravity: 4.72 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 6.12 AU - 9.56 AU

Year: 7939 Days

Day: 8.7 Hours

Environment

Temp: -166 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 40,295,483 km

• M1: 145,559 km (0.077 R)
• M2: 602,879 km (0.108 R)
• M3: 1,284,597 km (0.114 R)
• M4: 2,582,508 km (0.105 R)
• M5: 3,755,655 km (0.11 R)
• M6: 6,644,988 km (0.065 R)
• M7: 8,731,429 km (0.115 R)
• M8: 9,125,021 km (0.119 R)
• M9: 13,857,999 km (0.081 R)
• M10: 15,382,551 km (0.04 R)
• M11: 20,702,251 km (0.112 R)
• M12: 21,325,176 km (0.113 R)
• M13: 23,102,698 km (0.116 R)
• M14: 35,225,511 km (0.031 R)
• M15: 39,102,939 km (0.104 R)

Kuiper Belt

Range: 30.3 - 49.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 492 - 11,986 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit