🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.88 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.88

Radius: 1.29

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 0.75 AU - 1.01 AU

Year: 300 Days

Day: 45.4 Hours

Environment

Temp: 96 °C

Axial Tilt: 20.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.25 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.78

Radius: 1.51

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 1.19 AU - 1.31 AU

Year: 508 Days

Day: 32.5 Hours

Environment

Temp: -1 °C

Axial Tilt: 32.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.35 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.02

Radius: 1.01

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 1.12 AU - 1.58 AU

Year: 570 Days

Day: 45.5 Hours

Environment

Temp: 7 °C

Axial Tilt: 92.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 92,637,036 km

• M1: 272,119 km (0.099 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.92

Radius: 0.97

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 1.31 AU - 1.75 AU

Year: 688 Days

Day: 19.7 Hours

Environment

Temp: -40 °C

Axial Tilt: 118.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.69 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.21

Radius: 1.08

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 2.26 AU - 3.12 AU

Year: 1603 Days

Day: 25 Hours

Environment

Temp: -102 °C

Axial Tilt: 33.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.82 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.99

Radius: 1.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 2.68 AU - 2.96 AU

Year: 1721 Days

Day: 15.6 Hours

Environment

Temp: -97 °C

Axial Tilt: 132.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 92,637,036 km

• M1: 246,687 km (0.098 R)

Asteroid Belt

Center: 8.49 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 14.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 503.8

Radius: 5.7

Gravity: 15.51 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 12.79 AU - 15.51 AU

Year: 19345 Days

Day: 17.9 Hours

Environment

Temp: -191 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 92,637,036 km

• M1: 70,909 km (0.075 R)
• M2: 271,221 km (0.1 R)
• M3: 468,840 km (0.086 R)
• M4: 666,010 km (0.085 R)
• M5: 975,528 km (0.09 R)
• M6: 1,481,767 km (0.12 R)
• M7: 1,811,181 km (0.096 R)
• M8: 3,581,223 km (0.081 R)
• M9: 5,222,013 km (0.098 R)
• M10: 5,518,516 km (0.118 R)
• M11: 6,144,882 km (0.118 R)
• M12: 7,262,378 km (0.055 R)
• M13: 10,060,906 km (0.099 R)
• M14: 13,852,314 km (0.114 R)
• M15: 15,152,619 km (0.115 R)
• M16: 15,909,135 km (0.067 R)
• M17: 16,218,653 km (0.105 R)
• M18: 19,014,039 km (0.099 R)
• M19: 23,484,023 km (0.052 R)
• M20: 27,929,324 km (0.119 R)
• M21: 36,530,454 km (0.102 R)
• M22: 39,559,511 km (0.074 R)
• M23: 42,901,079 km (0.098 R)
• M24: 44,106,090 km (0.055 R)
• M25: 44,870,535 km (0.1 R)
• M26: 45,643,806 km (0.034 R)
• M27: 48,825,903 km (0.114 R)
• M28: 49,152,026 km (0.039 R)
• M29: 51,813,522 km (0.116 R)
• M30: 52,835,874 km (0.051 R)
• M31: 54,045,372 km (0.105 R)
• M32: 55,627,669 km (0.072 R)
• M33: 57,967,230 km (0.097 R)
• M34: 64,394,553 km (0.086 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 595.1

Radius: 4.8

Gravity: 25.83 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 13.97 AU - 22.95 AU

Year: 28826 Days

Day: 20.9 Hours

Environment

Temp: -203 °C

Axial Tilt: 49.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 92,637,036 km

• M1: 59,839 km (0.065 R)
• M2: 240,553 km (0.104 R)
• M3: 522,545 km (0.088 R)
• M4: 822,788 km (0.081 R)
• M5: 979,716 km (0.094 R)
• M6: 1,371,812 km (0.11 R)
• M7: 1,523,654 km (0.091 R)
• M8: 2,070,285 km (0.045 R)
• M9: 2,844,454 km (0.102 R)
• M10: 3,093,235 km (0.113 R)
• M11: 3,698,359 km (0.037 R)
• M12: 4,980,861 km (0.095 R)
• M13: 9,129,659 km (0.109 R)
• M14: 12,485,289 km (0.111 R)
• M15: 13,379,585 km (0.115 R)
• M16: 13,998,920 km (0.096 R)
• M17: 14,315,768 km (0.072 R)
• M18: 19,757,989 km (0.086 R)
• M19: 21,280,297 km (0.091 R)
• M20: 22,123,431 km (0.079 R)
• M21: 25,017,252 km (0.102 R)
• M22: 26,918,042 km (0.109 R)
• M23: 27,407,826 km (0.088 R)
• M24: 29,426,649 km (0.118 R)
• M25: 30,208,448 km (0.082 R)
• M26: 32,223,681 km (0.062 R)
• M27: 32,637,319 km (0.116 R)
• M28: 34,758,168 km (0.105 R)
• M29: 35,047,789 km (0.082 R)
• M30: 36,222,132 km (0.075 R)
• M31: 36,519,683 km (0.106 R)
• M32: 40,378,859 km (0.089 R)
• M33: 53,377,867 km (0.084 R)
• M34: 54,734,869 km (0.034 R)
• M35: 58,534,206 km (0.075 R)
• M36: 60,812,133 km (0.099 R)
• M37: 79,182,751 km (0.025 R)
• M38: 83,511,515 km (0.048 R)

Kuiper Belt

Range: 30.2 - 58.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 419 - 14,556 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit