🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.85 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.41

Radius: 1.15

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 0.72 AU - 0.98 AU

Year: 300 Days

Day: 34.5 Hours

Environment

Temp: 42 °C

Axial Tilt: 8.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 22,576,678 km

• M1: 386,710 km (0.099 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.86 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.74

Radius: 0.89

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 0.86 AU - 0.86 AU

Year: 305 Days

Day: 12.4 Hours

Environment

Temp: 31 °C

Axial Tilt: 33.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 22,576,678 km

• M1: 105,915 km (0.048 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.8 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.2

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 2.76 AU - 2.84 AU

Year: 1794 Days

Day: 24.6 Hours

Environment

Temp: -101 °C

Axial Tilt: 18.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 22,576,678 km

• M1: 387,159 km (0.074 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.34 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.7

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 3.17 AU - 3.51 AU

Year: 2337 Days

Day: 15.2 Hours

Environment

Temp: -118 °C

Axial Tilt: 53.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 22,576,678 km

• M1: 202,556 km (0.118 R)
• M2: 1,398,441 km (0.072 R)

Asteroid Belt

Center: 3.61 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Terrestrial

Semi-Major Axis: 3.87 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.97

Radius: 0.99

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 3.05 AU - 4.69 AU

Year: 2915 Days

Day: 30.6 Hours

Environment

Temp: -135 °C

Axial Tilt: 15.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 22,576,678 km

• M1: 23,337 km (0.058 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 702

Radius: 9.9

Gravity: 7.16 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 3.71 AU - 5.03 AU

Year: 3498 Days

Day: 10.1 Hours

Environment

Temp: -131 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 22,576,678 km

• M1: 135,386 km (0.087 R)
• M2: 478,414 km (0.044 R)
• M3: 1,155,195 km (0.089 R)
• M4: 1,768,097 km (0.025 R)
• M5: 2,269,250 km (0.107 R)
• M6: 2,931,071 km (0.12 R)
• M7: 3,819,084 km (0.117 R)
• M8: 4,359,731 km (0.053 R)
• M9: 4,708,144 km (0.084 R)
• M10: 5,330,322 km (0.078 R)
• M11: 6,985,024 km (0.071 R)
• M12: 8,066,616 km (0.07 R)
• M13: 9,755,726 km (0.109 R)
• M14: 10,977,043 km (0.109 R)
• M15: 11,406,090 km (0.114 R)
• M16: 14,168,714 km (0.108 R)
• M17: 16,112,588 km (0.073 R)
• M18: 19,947,230 km (0.064 R)
• M19: 21,107,960 km (0.071 R)
• M20: 22,655,999 km (0.114 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 977.1

Radius: 12.3

Gravity: 6.46 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 3.99 AU - 6.57 AU

Year: 4645 Days

Day: 11.8 Hours

Environment

Temp: -159 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 22,576,678 km

• M1: 153,039 km (0.115 R)
• M2: 539,749 km (0.103 R)
• M3: 1,396,795 km (0.06 R)
• M4: 1,948,512 km (0.113 R)
• M5: 3,308,806 km (0.074 R)
• M6: 4,656,084 km (0.113 R)
• M7: 5,338,550 km (0.051 R)
• M8: 5,870,520 km (0.118 R)
• M9: 7,755,752 km (0.093 R)
• M10: 8,245,685 km (0.072 R)
• M11: 10,688,618 km (0.037 R)
• M12: 11,106,894 km (0.094 R)
• M13: 18,504,359 km (0.058 R)
• M14: 22,631,914 km (0.067 R)
• M15: 32,364,003 km (0.105 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 256

Radius: 8

Gravity: 4 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 5.23 AU - 6.21 AU

Year: 5238 Days

Day: 5.8 Hours

Environment

Temp: -151 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 22,576,678 km

• M1: 158,125 km (0.087 R)
• M2: 419,921 km (0.11 R)
• M3: 1,258,567 km (0.115 R)
• M4: 1,719,029 km (0.033 R)
• M5: 2,330,735 km (0.115 R)
• M6: 3,079,771 km (0.049 R)
• M7: 3,387,195 km (0.115 R)
• M8: 5,899,841 km (0.072 R)
• M9: 6,697,646 km (0.117 R)
• M10: 8,646,308 km (0.097 R)
• M11: 11,028,355 km (0.099 R)
• M12: 11,449,772 km (0.069 R)
• M13: 12,190,730 km (0.116 R)
• M14: 13,102,829 km (0.056 R)
• M15: 13,913,350 km (0.06 R)
• M16: 16,545,375 km (0.031 R)
• M17: 19,860,464 km (0.049 R)

Planet 9 - Ice Giant

Semi-Major Axis: 13.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 19.8

Radius: 5.7

Gravity: 0.61 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 11.69 AU - 15.33 AU

Year: 19013 Days

Day: 19.3 Hours

Environment

Temp: -201 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 22,576,678 km

• M1: 206,595 km (0.062 R)
• M2: 575,653 km (0.07 R)
• M3: 8,058,089 km (0.091 R)
• M4: 18,823,601 km (0.082 R)
• M5: 20,107,300 km (0.106 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 279 - 19,537 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit