🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.25

Radius: 1.09

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 0.49 AU - 0.57 AU

Year: 146 Days

Day: 31.7 Hours

Environment

Temp: 193 °C

Axial Tilt: 18.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.73

Radius: 1.86

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 0.51 AU - 0.59 AU

Year: 154 Days

Day: 23.3 Hours

Environment

Temp: 132 °C

Axial Tilt: 31.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.29

Radius: 1.39

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 1.33 AU - 1.77 AU

Year: 731 Days

Day: 15.4 Hours

Environment

Temp: -49 °C

Axial Tilt: 7.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 41,559,211 km

• M1: 528,978 km (0.059 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.91

Radius: 1.73

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 3.56 AU - 3.74 AU

Year: 2641 Days

Day: 47 Hours

Environment

Temp: -134 °C

Axial Tilt: 39.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 41,559,211 km

• M1: 40,990 km (0.043 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.87 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.8

Radius: 0.91

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 3.77 AU - 3.97 AU

Year: 2883 Days

Day: 29 Hours

Environment

Temp: -133 °C

Axial Tilt: 39.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 41,559,211 km

• M1: 1,105,229 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 897.2

Radius: 11.2

Gravity: 7.15 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 3.74 AU - 5.68 AU

Year: 3872 Days

Day: 8.6 Hours

Environment

Temp: -136 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 41,559,211 km

• M1: 139,425 km (0.096 R)
• M2: 865,424 km (0.079 R)
• M3: 1,454,241 km (0.067 R)
• M4: 2,699,045 km (0.115 R)
• M5: 3,688,036 km (0.077 R)
• M6: 4,407,752 km (0.031 R)
• M7: 7,004,472 km (0.111 R)
• M8: 10,790,046 km (0.105 R)
• M9: 12,403,608 km (0.114 R)
• M10: 13,192,438 km (0.098 R)
• M11: 13,962,119 km (0.118 R)
• M12: 14,384,733 km (0.114 R)
• M13: 21,794,166 km (0.107 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 335.8

Radius: 14.8

Gravity: 1.53 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 7.71 AU - 11.79 AU

Year: 11531 Days

Day: 9.4 Hours

Environment

Temp: -183 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 41,559,211 km

• M1: 184,155 km (0.091 R)
• M2: 741,856 km (0.116 R)
• M3: 1,392,906 km (0.088 R)
• M4: 1,853,667 km (0.095 R)
• M5: 3,315,687 km (0.096 R)
• M6: 3,879,522 km (0.118 R)
• M7: 5,737,378 km (0.112 R)
• M8: 6,918,752 km (0.112 R)
• M9: 8,855,596 km (0.042 R)
• M10: 16,612,694 km (0.075 R)
• M11: 17,154,986 km (0.105 R)
• M12: 18,132,459 km (0.098 R)
• M13: 21,209,687 km (0.078 R)
• M14: 24,532,555 km (0.077 R)
• M15: 25,863,527 km (0.097 R)
• M16: 28,572,745 km (0.094 R)
• M17: 30,145,916 km (0.083 R)
• M18: 32,402,450 km (0.078 R)
• M19: 34,004,194 km (0.095 R)
• M20: 34,659,433 km (0.08 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 437 - 18,904 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit