🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.71 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.54

Radius: 0.78

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 0.59 AU - 0.83 AU

Year: 228 Days

Day: 19.8 Hours

Environment

Temp: 174 °C

Axial Tilt: 3.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 24,534,090 km

• M1: 18,999 km (0.098 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.03 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.34

Radius: 1.12

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 0.91 AU - 1.15 AU

Year: 398 Days

Day: 34.5 Hours

Environment

Temp: 19 °C

Axial Tilt: 10.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.83

Radius: 1.27

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 1.58 AU - 1.62 AU

Year: 771 Days

Day: 37 Hours

Environment

Temp: -50 °C

Axial Tilt: 7.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.45

Radius: 1.82

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 1.87 AU - 1.89 AU

Year: 982 Days

Day: 28.3 Hours

Environment

Temp: -75 °C

Axial Tilt: 43.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.14

Radius: 0.46

Gravity: 0.66 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 1.68 AU - 2.68 AU

Year: 1226 Days

Day: 40.3 Hours

Environment

Temp: -98 °C

Axial Tilt: 36.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.46 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 4.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 155.8

Radius: 12.5

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 4.29 AU - 5.17 AU

Year: 3917 Days

Day: 7.7 Hours

Environment

Temp: -138 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 24,534,090 km

• M1: 155,432 km (0.057 R)
• M2: 635,641 km (0.106 R)
• M3: 1,432,100 km (0.072 R)
• M4: 2,047,995 km (0.097 R)
• M5: 2,557,076 km (0.108 R)
• M6: 3,438,806 km (0.052 R)
• M7: 4,033,458 km (0.115 R)
• M8: 5,475,132 km (0.098 R)
• M9: 7,402,701 km (0.101 R)
• M10: 8,991,281 km (0.096 R)
• M11: 11,612,984 km (0.091 R)
• M12: 12,470,030 km (0.07 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 420.7

Radius: 14.3

Gravity: 2.06 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 4.35 AU - 6.29 AU

Year: 4673 Days

Day: 9.7 Hours

Environment

Temp: -148 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 24,534,090 km

• M1: 177,872 km (0.034 R)
• M2: 673,340 km (0.042 R)
• M3: 1,462,319 km (0.115 R)
• M4: 1,918,593 km (0.091 R)
• M5: 2,548,549 km (0.094 R)
• M6: 3,060,922 km (0.06 R)
• M7: 4,034,355 km (0.081 R)
• M8: 5,954,594 km (0.099 R)
• M9: 6,774,540 km (0.098 R)
• M10: 8,932,040 km (0.1 R)
• M11: 9,613,907 km (0.066 R)
• M12: 10,168,167 km (0.09 R)
• M13: 10,701,783 km (0.099 R)
• M14: 11,340,715 km (0.068 R)
• M15: 12,050,108 km (0.102 R)
• M16: 12,601,526 km (0.059 R)
• M17: 13,460,218 km (0.092 R)
• M18: 17,117,736 km (0.097 R)
• M19: 20,407,693 km (0.063 R)
• M20: 21,726,697 km (0.06 R)
• M21: 23,101,801 km (0.063 R)
• M22: 24,534,051 km (0.094 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 429 - 19,810 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit