🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.84

Radius: 1.28

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 0.54 AU - 0.66 AU

Year: 171 Days

Day: 34.4 Hours

Environment

Temp: 190 °C

Axial Tilt: 29.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.13

Radius: 1.58

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 1.58 AU - 2.62 AU

Year: 1123 Days

Day: 13.3 Hours

Environment

Temp: -75 °C

Axial Tilt: 49.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.78

Radius: 1.26

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 2.37 AU - 2.87 AU

Year: 1565 Days

Day: 29 Hours

Environment

Temp: -88 °C

Axial Tilt: 16.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.52

Radius: 1.45

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 2.1 AU - 3.26 AU

Year: 1619 Days

Day: 32.9 Hours

Environment

Temp: -104 °C

Axial Tilt: 23.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 86,949,458 km

• M1: 462,557 km (0.088 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.97 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.87

Radius: 0.95

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 2.65 AU - 3.29 AU

Year: 1888 Days

Day: 22.7 Hours

Environment

Temp: -101 °C

Axial Tilt: 31.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.69 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 6.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 128.5

Radius: 13

Gravity: 0.76 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 5.09 AU - 7.71 AU

Year: 5974 Days

Day: 13.1 Hours

Environment

Temp: -162 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 86,949,458 km

• M1: 163,959 km (0.088 R)
• M2: 961,166 km (0.075 R)
• M3: 1,482,216 km (0.115 R)
• M4: 1,908,719 km (0.078 R)
• M5: 3,217,850 km (0.088 R)
• M6: 4,435,726 km (0.114 R)
• M7: 5,127,018 km (0.072 R)
• M8: 6,613,123 km (0.073 R)
• M9: 9,320,995 km (0.115 R)
• M10: 11,931,477 km (0.11 R)
• M11: 12,352,745 km (0.074 R)
• M12: 13,676,686 km (0.084 R)
• M13: 14,232,143 km (0.085 R)
• M14: 15,586,602 km (0.074 R)
• M15: 16,141,610 km (0.092 R)
• M16: 18,050,928 km (0.045 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 742.6

Radius: 13.5

Gravity: 4.07 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 5.39 AU - 8.69 AU

Year: 6892 Days

Day: 13.5 Hours

Environment

Temp: -165 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 86,949,458 km

• M1: 167,849 km (0.116 R)
• M2: 677,080 km (0.068 R)
• M3: 1,200,673 km (0.105 R)
• M4: 2,266,857 km (0.092 R)
• M5: 3,145,894 km (0.059 R)
• M6: 3,607,253 km (0.074 R)
• M7: 4,293,309 km (0.079 R)
• M8: 11,164,938 km (0.052 R)
• M9: 12,142,261 km (0.067 R)
• M10: 17,973,137 km (0.077 R)
• M11: 18,671,310 km (0.106 R)
• M12: 19,098,861 km (0.047 R)
• M13: 20,722,746 km (0.114 R)
• M14: 25,096,688 km (0.083 R)
• M15: 25,530,522 km (0.099 R)
• M16: 28,520,236 km (0.111 R)
• M17: 31,837,269 km (0.088 R)
• M18: 32,448,377 km (0.03 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 15.5

Radius: 7.6

Gravity: 0.27 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 11.05 AU - 17.29 AU

Year: 19680 Days

Day: 20.9 Hours

Environment

Temp: -182 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 86,949,458 km

• M1: 182,958 km (0.081 R)
• M2: 544,985 km (0.085 R)
• M3: 1,212,341 km (0.066 R)
• M4: 4,470,134 km (0.112 R)
• M5: 8,105,512 km (0.113 R)
• M6: 11,611,488 km (0.109 R)

Planet 9 - Ice Giant

Semi-Major Axis: 16.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 687.2

Radius: 5.2

Gravity: 25.41 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 15.78 AU - 16.92 AU

Year: 24392 Days

Day: 18.1 Hours

Environment

Temp: -198 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 86,949,458 km

• M1: 65,524 km (0.06 R)
• M2: 1,054,366 km (0.093 R)
• M3: 1,793,828 km (0.042 R)
• M4: 2,227,811 km (0.104 R)
• M5: 2,858,666 km (0.059 R)
• M6: 3,074,835 km (0.083 R)
• M7: 3,919,015 km (0.104 R)
• M8: 4,537,453 km (0.118 R)
• M9: 4,984,302 km (0.109 R)
• M10: 7,069,397 km (0.108 R)
• M11: 8,688,196 km (0.108 R)
• M12: 10,161,884 km (0.115 R)
• M13: 12,926,752 km (0.083 R)
• M14: 14,129,519 km (0.111 R)
• M15: 18,274,427 km (0.047 R)
• M16: 31,030,488 km (0.061 R)
• M17: 36,281,074 km (0.086 R)
• M18: 38,506,941 km (0.074 R)
• M19: 40,979,644 km (0.104 R)
• M20: 46,238,757 km (0.059 R)
• M21: 49,029,505 km (0.11 R)
• M22: 52,859,809 km (0.075 R)
• M23: 57,476,100 km (0.111 R)
• M24: 57,872,535 km (0.11 R)
• M25: 58,470,477 km (0.098 R)
• M26: 70,629,493 km (0.097 R)
• M27: 72,691,401 km (0.094 R)
• M28: 74,322,466 km (0.08 R)
• M29: 81,340,252 km (0.112 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 207 - 10,547 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit