🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.5 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.6

Radius: 1.67

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 0.47 AU - 0.53 AU

Year: 107 Days

Day: 15.8 Hours

Environment

Temp: 394 °C

Axial Tilt: 37.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 2.26 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.71

Radius: 0.87

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 1.99 AU - 2.53 AU

Year: 1031 Days

Day: 17 Hours

Environment

Temp: 14 °C

Axial Tilt: 47.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 4.15 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.56

Radius: 1.83

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 3.75 AU - 4.55 AU

Year: 2564 Days

Day: 20.6 Hours

Environment

Temp: -77 °C

Axial Tilt: 24.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 9.08 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.1

Radius: 1.35

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 7.06 AU - 11.1 AU

Year: 8299 Days

Day: 40 Hours

Environment

Temp: -145 °C

Axial Tilt: 8.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 10.92 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 12.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 492.7

Radius: 9.7

Gravity: 5.24 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 12.02 AU - 13.5 AU

Year: 13826 Days

Day: 7.8 Hours

Environment

Temp: -162 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 71,545,475 km

• M1: 123,568 km (0.028 R)
• M2: 750,981 km (0.109 R)
• M3: 1,417,589 km (0.093 R)
• M4: 1,980,077 km (0.118 R)
• M5: 3,758,946 km (0.09 R)
• M6: 4,260,847 km (0.084 R)
• M7: 6,075,618 km (0.103 R)
• M8: 6,570,488 km (0.076 R)
• M9: 7,216,302 km (0.115 R)
• M10: 11,435,710 km (0.118 R)
• M11: 12,672,286 km (0.045 R)
• M12: 14,192,051 km (0.103 R)
• M13: 16,402,958 km (0.037 R)
• M14: 17,742,607 km (0.106 R)
• M15: 20,385,702 km (0.084 R)
• M16: 22,376,251 km (0.061 R)
• M17: 24,683,200 km (0.078 R)
• M18: 30,637,345 km (0.054 R)
• M19: 37,863,071 km (0.1 R)
• M20: 50,632,746 km (0.046 R)

Planet 6 - Ice Giant

Semi-Major Axis: 18.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 376.8

Radius: 4.8

Gravity: 16.35 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 17.64 AU - 19.82 AU

Year: 24587 Days

Day: 22.1 Hours

Environment

Temp: -172 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 71,545,475 km

• M1: 59,690 km (0.075 R)
• M2: 320,738 km (0.096 R)
• M3: 512,373 km (0.117 R)
• M4: 712,385 km (0.094 R)
• M5: 1,390,063 km (0.093 R)
• M6: 2,189,365 km (0.085 R)
• M7: 2,513,693 km (0.101 R)
• M8: 4,044,528 km (0.057 R)
• M9: 4,300,191 km (0.082 R)
• M10: 6,444,377 km (0.096 R)
• M11: 9,995,681 km (0.09 R)
• M12: 10,642,093 km (0.044 R)
• M13: 11,067,849 km (0.047 R)
• M14: 15,733,358 km (0.116 R)
• M15: 17,428,601 km (0.083 R)
• M16: 17,764,747 km (0.119 R)
• M17: 19,152,866 km (0.106 R)
• M18: 22,339,300 km (0.058 R)
• M19: 25,862,031 km (0.052 R)
• M20: 28,793,252 km (0.08 R)
• M21: 36,386,540 km (0.104 R)
• M22: 36,935,565 km (0.035 R)
• M23: 38,900,682 km (0.092 R)
• M24: 57,005,166 km (0.026 R)
• M25: 60,770,993 km (0.087 R)

Kuiper Belt

Range: 36.2 - 64.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 315 - 14,126 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit