🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.09 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.71

Radius: 1.24

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 0.98 AU - 1.2 AU

Year: 398 Days

Day: 29.4 Hours

Environment

Temp: 87 °C

Axial Tilt: 37.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.12 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.32

Radius: 0.63

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 1 AU - 1.24 AU

Year: 415 Days

Day: 39 Hours

Environment

Temp: 28 °C

Axial Tilt: 27.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.31 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.4

Radius: 1.42

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 1.06 AU - 1.56 AU

Year: 525 Days

Day: 17.3 Hours

Environment

Temp: 13 °C

Axial Tilt: 33.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.53 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.92

Radius: 1.3

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 1.32 AU - 1.74 AU

Year: 662 Days

Day: 44.7 Hours

Environment

Temp: 1 °C

Axial Tilt: 39.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 2.9 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.18

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 2.37 AU - 3.43 AU

Year: 1728 Days

Day: 45.3 Hours

Environment

Temp: -86 °C

Axial Tilt: 37.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 44,885,095 km

• M1: 144,661 km (0.118 R)

Planet 6 - Terrestrial

Semi-Major Axis: 3.18 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.11

Radius: 1.57

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 2.95 AU - 3.41 AU

Year: 1984 Days

Day: 13.6 Hours

Environment

Temp: -88 °C

Axial Tilt: 18 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.49 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 5.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 179.6

Radius: 8.4

Gravity: 2.55 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 5.74 AU - 5.84 AU

Year: 4874 Days

Day: 9.6 Hours

Environment

Temp: -146 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 44,885,095 km

• M1: 104,419 km (0.1 R)
• M2: 421,417 km (0.109 R)
• M3: 689,497 km (0.068 R)
• M4: 964,158 km (0.084 R)
• M5: 1,269,039 km (0.093 R)
• M6: 1,534,725 km (0.047 R)
• M7: 1,955,693 km (0.075 R)
• M8: 2,424,233 km (0.114 R)
• M9: 2,761,427 km (0.101 R)
• M10: 3,659,463 km (0.084 R)
• M11: 6,366,137 km (0.073 R)
• M12: 7,245,922 km (0.088 R)
• M13: 7,515,947 km (0.101 R)
• M14: 8,531,118 km (0.091 R)
• M15: 9,315,310 km (0.045 R)
• M16: 10,221,275 km (0.114 R)
• M17: 13,380,782 km (0.109 R)
• M18: 14,203,719 km (0.087 R)
• M19: 15,303,713 km (0.054 R)
• M20: 16,666,400 km (0.095 R)
• M21: 17,457,473 km (0.103 R)
• M22: 18,053,172 km (0.04 R)

Planet 8 - Gas Giant

Semi-Major Axis: 6.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 463.3

Radius: 14.9

Gravity: 2.09 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 6.19 AU - 6.61 AU

Year: 5664 Days

Day: 7.1 Hours

Environment

Temp: -151 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 44,885,095 km

• M1: 185,501 km (0.095 R)
• M2: 787,034 km (0.119 R)
• M3: 1,290,431 km (0.11 R)
• M4: 2,557,226 km (0.08 R)
• M5: 3,572,996 km (0.09 R)
• M6: 12,018,992 km (0.06 R)
• M7: 12,698,765 km (0.099 R)
• M8: 14,135,353 km (0.106 R)
• M9: 19,226,468 km (0.091 R)
• M10: 19,955,458 km (0.089 R)
• M11: 22,181,026 km (0.072 R)

Planet 9 - Gas Giant

Semi-Major Axis: 9.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 511.4

Radius: 12

Gravity: 3.55 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 9.5 AU - 9.8 AU

Year: 10487 Days

Day: 6.9 Hours

Environment

Temp: -171 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 44,885,095 km

• M1: 149,299 km (0.099 R)
• M2: 569,519 km (0.079 R)
• M3: 1,173,894 km (0.096 R)
• M4: 1,954,496 km (0.071 R)
• M5: 2,623,348 km (0.103 R)
• M6: 3,012,303 km (0.087 R)
• M7: 6,083,547 km (0.084 R)
• M8: 7,797,041 km (0.058 R)
• M9: 8,922,915 km (0.092 R)
• M10: 9,383,826 km (0.119 R)
• M11: 10,454,049 km (0.11 R)
• M12: 12,663,011 km (0.081 R)
• M13: 14,781,616 km (0.053 R)
• M14: 18,203,817 km (0.043 R)
• M15: 20,098,923 km (0.055 R)
• M16: 20,572,699 km (0.113 R)
• M17: 37,902,266 km (0.102 R)
• M18: 43,424,971 km (0.083 R)

Kuiper Belt

Range: 31.4 - 48.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 364 - 13,209 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit