🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.98 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.58

Radius: 1.84

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 0.86 AU - 1.1 AU

Year: 343 Days

Day: 37.9 Hours

Environment

Temp: 88 °C

Axial Tilt: 2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.05 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.18

Radius: 1.07

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.84 AU - 1.26 AU

Year: 380 Days

Day: 22.8 Hours

Environment

Temp: 147 °C

Axial Tilt: 18.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.25 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.31

Radius: 0.63

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 1.19 AU - 1.31 AU

Year: 493 Days

Day: 21.7 Hours

Environment

Temp: 30 °C

Axial Tilt: 4.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.45 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.35

Radius: 1.13

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 1.37 AU - 1.53 AU

Year: 617 Days

Day: 17.9 Hours

Environment

Temp: -14 °C

Axial Tilt: 42.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 76,557,380 km

• M1: 37,250 km (0.092 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.07

Radius: 1.34

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 1.27 AU - 1.93 AU

Year: 715 Days

Day: 23.7 Hours

Environment

Temp: -30 °C

Axial Tilt: 39.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.9 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 6.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 297.8

Radius: 12.6

Gravity: 1.88 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 5.9 AU - 6.5 AU

Year: 5451 Days

Day: 12.7 Hours

Environment

Temp: -140 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 76,557,380 km

• M1: 157,377 km (0.094 R)
• M2: 657,333 km (0.082 R)
• M3: 1,111,213 km (0.091 R)
• M4: 1,584,690 km (0.095 R)
• M5: 2,030,941 km (0.098 R)
• M6: 2,608,538 km (0.117 R)
• M7: 3,522,282 km (0.076 R)
• M8: 3,947,439 km (0.11 R)
• M9: 4,733,426 km (0.106 R)
• M10: 5,435,040 km (0.074 R)
• M11: 6,646,783 km (0.092 R)
• M12: 7,332,689 km (0.12 R)
• M13: 8,414,132 km (0.106 R)
• M14: 8,956,425 km (0.084 R)
• M15: 10,808,297 km (0.115 R)
• M16: 12,026,173 km (0.105 R)
• M17: 13,625,673 km (0.063 R)
• M18: 14,630,373 km (0.104 R)
• M19: 16,506,629 km (0.117 R)

Planet 7 - Gas Giant

Semi-Major Axis: 11.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 815

Radius: 9.7

Gravity: 8.66 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 10.8 AU - 12.88 AU

Year: 14386 Days

Day: 9.1 Hours

Environment

Temp: -171 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 76,557,380 km

• M1: 120,725 km (0.1 R)
• M2: 443,707 km (0.061 R)
• M3: 927,357 km (0.077 R)
• M4: 1,538,764 km (0.053 R)
• M5: 2,257,432 km (0.072 R)
• M6: 6,086,539 km (0.101 R)
• M7: 9,204,607 km (0.064 R)
• M8: 9,903,080 km (0.04 R)
• M9: 10,406,925 km (0.034 R)
• M10: 11,105,398 km (0.073 R)
• M11: 11,649,485 km (0.116 R)
• M12: 18,192,148 km (0.067 R)
• M13: 19,813,490 km (0.108 R)
• M14: 25,046,872 km (0.12 R)
• M15: 29,271,367 km (0.07 R)
• M16: 37,194,369 km (0.119 R)
• M17: 44,598,566 km (0.072 R)
• M18: 46,126,858 km (0.037 R)
• M19: 51,751,139 km (0.074 R)
• M20: 58,538,096 km (0.112 R)
• M21: 62,996,411 km (0.093 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 616.5

Radius: 7.4

Gravity: 11.26 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 14.89 AU - 15.85 AU

Year: 21277 Days

Day: 18.1 Hours

Environment

Temp: -196 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 76,557,380 km

• M1: 92,152 km (0.102 R)
• M2: 325,076 km (0.083 R)
• M3: 731,683 km (0.042 R)
• M4: 1,084,435 km (0.089 R)
• M5: 2,814,983 km (0.1 R)
• M6: 3,204,686 km (0.08 R)
• M7: 3,689,383 km (0.089 R)
• M8: 4,697,972 km (0.095 R)
• M9: 5,400,782 km (0.065 R)
• M10: 5,961,924 km (0.103 R)
• M11: 6,342,800 km (0.092 R)
• M12: 6,967,371 km (0.08 R)
• M13: 8,978,415 km (0.112 R)
• M14: 11,347,597 km (0.108 R)
• M15: 13,377,191 km (0.056 R)
• M16: 16,117,974 km (0.075 R)
• M17: 21,383,370 km (0.103 R)
• M18: 21,678,227 km (0.042 R)
• M19: 25,872,653 km (0.111 R)
• M20: 28,632,584 km (0.12 R)
• M21: 30,702,270 km (0.058 R)
• M22: 39,095,608 km (0.03 R)
• M23: 41,791,512 km (0.078 R)
• M24: 45,090,444 km (0.066 R)
• M25: 49,410,082 km (0.07 R)
• M26: 60,610,774 km (0.085 R)
• M27: 64,212,941 km (0.075 R)
• M28: 66,483,089 km (0.114 R)
• M29: 76,099,539 km (0.105 R)

Kuiper Belt

Range: 31.1 - 46.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 542 - 12,694 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit