🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.87

Radius: 1.28

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 0.51 AU - 0.67 AU

Year: 168 Days

Day: 13.9 Hours

Environment

Temp: 177 °C

Axial Tilt: 22.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.05 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.74

Radius: 1.69

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 0.96 AU - 1.14 AU

Year: 399 Days

Day: 26.4 Hours

Environment

Temp: 27 °C

Axial Tilt: 36.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.14 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.53

Radius: 1.45

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 0.91 AU - 1.37 AU

Year: 451 Days

Day: 24.9 Hours

Environment

Temp: 0 °C

Axial Tilt: 23.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.35

Radius: 0.66

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 1.28 AU - 1.72 AU

Year: 681 Days

Day: 17.9 Hours

Environment

Temp: -37 °C

Axial Tilt: 32.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.35

Radius: 0.66

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 1.77 AU - 1.99 AU

Year: 956 Days

Day: 21.4 Hours

Environment

Temp: -71 °C

Axial Tilt: 28.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 17,761,384 km

• M1: 15,708 km (0.052 R)

Planet 6 - Terrestrial

Semi-Major Axis: 4.07 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.11

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 3.82 AU - 4.32 AU

Year: 3045 Days

Day: 43.5 Hours

Environment

Temp: -133 °C

Axial Tilt: 45.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.83 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 7.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 365.2

Radius: 13.1

Gravity: 2.13 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 5.8 AU - 9.36 AU

Year: 7739 Days

Day: 14.3 Hours

Environment

Temp: -167 °C

Axial Tilt: 44.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 17,761,384 km

• M1: 165,306 km (0.065 R)
• M2: 596,896 km (0.082 R)
• M3: 1,292,376 km (0.107 R)
• M4: 2,360,804 km (0.104 R)
• M5: 3,315,388 km (0.104 R)
• M6: 3,745,781 km (0.101 R)
• M7: 4,934,336 km (0.075 R)
• M8: 7,239,789 km (0.068 R)
• M9: 7,746,028 km (0.095 R)
• M10: 9,240,361 km (0.104 R)
• M11: 9,663,723 km (0.072 R)
• M12: 13,054,509 km (0.055 R)
• M13: 13,751,784 km (0.106 R)
• M14: 15,574,036 km (0.104 R)
• M15: 17,232,628 km (0.067 R)
• M16: 19,074,177 km (0.115 R)
• M17: 24,166,938 km (0.114 R)
• M18: 29,095,739 km (0.06 R)
• M19: 30,008,435 km (0.035 R)
• M20: 32,373,578 km (0.096 R)

Planet 8 - Gas Giant

Semi-Major Axis: 8.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 217

Radius: 11.1

Gravity: 1.76 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 7.76 AU - 8.86 AU

Year: 8884 Days

Day: 13.1 Hours

Environment

Temp: -171 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 17,761,384 km

• M1: 139,276 km (0.114 R)
• M2: 553,512 km (0.111 R)
• M3: 949,647 km (0.112 R)
• M4: 1,361,640 km (0.099 R)
• M5: 2,286,454 km (0.088 R)
• M6: 2,969,518 km (0.119 R)
• M7: 3,524,975 km (0.066 R)
• M8: 3,917,968 km (0.027 R)
• M9: 4,512,470 km (0.075 R)
• M10: 6,406,080 km (0.028 R)
• M11: 7,618,421 km (0.094 R)
• M12: 9,057,702 km (0.097 R)
• M13: 11,592,788 km (0.116 R)
• M14: 11,976,207 km (0.089 R)
• M15: 15,241,330 km (0.062 R)
• M16: 16,530,266 km (0.107 R)
• M17: 17,449,844 km (0.066 R)
• M18: 20,274,999 km (0.055 R)
• M19: 21,257,109 km (0.095 R)
• M20: 26,154,495 km (0.066 R)
• M21: 29,481,103 km (0.034 R)

Planet 9 - Gas Giant

Semi-Major Axis: 10.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 23.6

Radius: 14.5

Gravity: 0.11 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 9.81 AU - 10.67 AU

Year: 12152 Days

Day: 6.9 Hours

Environment

Temp: -189 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 17,761,384 km

• M1: 181,761 km (0.103 R)
• M2: 947,104 km (0.106 R)
• M3: 2,553,935 km (0.071 R)
• M4: 3,089,495 km (0.073 R)
• M5: 3,610,545 km (0.101 R)
• M6: 5,880,842 km (0.11 R)
• M7: 6,660,696 km (0.091 R)
• M8: 9,215,678 km (0.094 R)
• M9: 15,111,479 km (0.06 R)
• M10: 16,982,051 km (0.092 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: 363 - 13,720 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit