🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.87 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.43

Radius: 1.15

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 0.84 AU - 0.9 AU

Year: 298 Days

Day: 26.9 Hours

Environment

Temp: 105 °C

Axial Tilt: 32.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.18 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.72

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 1.17 AU - 1.19 AU

Year: 471 Days

Day: 42.7 Hours

Environment

Temp: 15 °C

Axial Tilt: 14.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.4

Radius: 1.42

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 1.28 AU - 1.76 AU

Year: 688 Days

Day: 21.4 Hours

Environment

Temp: -44 °C

Axial Tilt: 13.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.38

Radius: 1.63

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 1.76 AU - 1.8 AU

Year: 872 Days

Day: 30.3 Hours

Environment

Temp: -55 °C

Axial Tilt: 39.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 28,502,877 km

• M1: 1,006,794 km (0.041 R)

Asteroid Belt

Center: 5.3 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 8.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 320.7

Radius: 10.6

Gravity: 2.85 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 6.68 AU - 10.96 AU

Year: 9616 Days

Day: 7.7 Hours

Environment

Temp: -178 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 28,502,877 km

• M1: 134,339 km (0.036 R)
• M2: 521,797 km (0.1 R)
• M3: 883,226 km (0.113 R)
• M4: 1,641,238 km (0.074 R)
• M5: 1,991,596 km (0.09 R)
• M6: 2,392,369 km (0.109 R)
• M7: 3,557,437 km (0.089 R)
• M8: 4,052,756 km (0.066 R)
• M9: 4,566,924 km (0.097 R)
• M10: 6,208,312 km (0.095 R)
• M11: 6,578,866 km (0.108 R)
• M12: 7,107,993 km (0.074 R)
• M13: 8,291,761 km (0.054 R)
• M14: 9,513,976 km (0.05 R)
• M15: 10,099,203 km (0.09 R)
• M16: 10,708,365 km (0.084 R)
• M17: 14,594,170 km (0.117 R)
• M18: 18,698,537 km (0.111 R)
• M19: 19,905,941 km (0.113 R)
• M20: 22,397,045 km (0.081 R)
• M21: 23,758,236 km (0.062 R)
• M22: 33,513,962 km (0.112 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 144.2

Radius: 11.3

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 7.19 AU - 10.91 AU

Year: 9994 Days

Day: 9.5 Hours

Environment

Temp: -175 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 28,502,877 km

• M1: 140,921 km (0.112 R)
• M2: 644,767 km (0.116 R)
• M3: 1,044,044 km (0.118 R)
• M4: 1,648,269 km (0.12 R)
• M5: 2,226,914 km (0.103 R)
• M6: 3,180,152 km (0.108 R)
• M7: 6,834,828 km (0.032 R)
• M8: 7,610,492 km (0.1 R)
• M9: 8,331,704 km (0.046 R)
• M10: 10,334,670 km (0.056 R)
• M11: 10,904,189 km (0.106 R)
• M12: 12,888,156 km (0.106 R)
• M13: 13,703,763 km (0.088 R)
• M14: 14,230,797 km (0.058 R)
• M15: 14,662,087 km (0.094 R)
• M16: 15,607,546 km (0.109 R)
• M17: 16,891,096 km (0.073 R)
• M18: 17,252,973 km (0.041 R)
• M19: 24,843,718 km (0.086 R)
• M20: 27,080,805 km (0.071 R)
• M21: 27,743,972 km (0.087 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: 322 - 15,429 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit