🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.18

Radius: 0.5

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 0.45 AU - 0.69 AU

Year: 187 Days

Day: 47.9 Hours

Environment

Temp: 35 °C

Axial Tilt: 35.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 35,665,778 km

• M1: 14,661 km (0.083 R)
• M2: 33,360 km (0.08 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.23

Radius: 1.78

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 0.78 AU - 1.22 AU

Year: 433 Days

Day: 30.7 Hours

Environment

Temp: -64 °C

Axial Tilt: 6.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.8

Radius: 1.71

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.9 AU - 1.46 AU

Year: 556 Days

Day: 46.1 Hours

Environment

Temp: -80 °C

Axial Tilt: 44.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.23

Radius: 0.56

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 1.8 AU - 1.84 AU

Year: 1064 Days

Day: 37.1 Hours

Environment

Temp: -119 °C

Axial Tilt: 31.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 5

Radius: 1.9

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 1.75 AU - 2.39 AU

Year: 1291 Days

Day: 23.6 Hours

Environment

Temp: -123 °C

Axial Tilt: 34.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 35,665,778 km

• M1: 1,059,452 km (0.078 R)

Asteroid Belt

Center: 2.38 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 203.1

Radius: 9.3

Gravity: 2.35 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 2.36 AU - 3 AU

Year: 1902 Days

Day: 6.2 Hours

Environment

Temp: -129 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 35,665,778 km

• M1: 115,938 km (0.076 R)
• M2: 424,110 km (0.053 R)
• M3: 941,120 km (0.043 R)
• M4: 1,734,587 km (0.092 R)
• M5: 2,103,196 km (0.117 R)
• M6: 2,442,185 km (0.088 R)
• M7: 3,162,499 km (0.114 R)
• M8: 3,490,717 km (0.076 R)
• M9: 3,810,258 km (0.107 R)
• M10: 4,266,830 km (0.113 R)
• M11: 5,134,349 km (0.078 R)
• M12: 5,630,565 km (0.083 R)
• M13: 6,334,273 km (0.107 R)
• M14: 6,999,984 km (0.074 R)
• M15: 8,098,182 km (0.115 R)
• M16: 8,910,348 km (0.053 R)
• M17: 9,249,936 km (0.025 R)
• M18: 9,985,508 km (0.092 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 738.1

Radius: 11.2

Gravity: 5.88 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 3.07 AU - 3.65 AU

Year: 2670 Days

Day: 8.1 Hours

Environment

Temp: -148 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 35,665,778 km

• M1: 139,276 km (0.085 R)
• M2: 503,247 km (0.113 R)
• M3: 934,687 km (0.096 R)
• M4: 1,285,046 km (0.093 R)
• M5: 1,934,450 km (0.034 R)
• M6: 2,714,453 km (0.079 R)
• M7: 3,084,110 km (0.111 R)
• M8: 4,423,310 km (0.119 R)
• M9: 5,079,596 km (0.048 R)
• M10: 5,825,640 km (0.095 R)
• M11: 6,198,139 km (0.081 R)
• M12: 10,656,006 km (0.114 R)
• M13: 11,667,736 km (0.071 R)
• M14: 12,875,889 km (0.06 R)
• M15: 13,556,409 km (0.107 R)
• M16: 15,488,765 km (0.078 R)
• M17: 15,947,731 km (0.06 R)
• M18: 16,363,165 km (0.113 R)
• M19: 17,053,858 km (0.102 R)
• M20: 19,360,059 km (0.095 R)

Planet 8 - Ice Giant

Semi-Major Axis: 11.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 176.1

Radius: 6.2

Gravity: 4.58 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 11.28 AU - 12.32 AU

Year: 17570 Days

Day: 15.2 Hours

Environment

Temp: -193 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 35,665,778 km

• M1: 188,493 km (0.11 R)
• M2: 400,623 km (0.098 R)
• M3: 712,834 km (0.104 R)
• M4: 1,960,330 km (0.115 R)
• M5: 8,499,403 km (0.057 R)
• M6: 8,810,716 km (0.11 R)
• M7: 10,945,029 km (0.108 R)
• M8: 11,964,987 km (0.065 R)
• M9: 16,202,796 km (0.11 R)
• M10: 21,262,944 km (0.115 R)
• M11: 25,044,030 km (0.106 R)
• M12: 33,242,143 km (0.067 R)
• M13: 41,012,705 km (0.119 R)

Planet 9 - Ice Giant

Semi-Major Axis: 13.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 66.5

Radius: 4.8

Gravity: 2.89 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 10.71 AU - 15.53 AU

Year: 20600 Days

Day: 18.7 Hours

Environment

Temp: -196 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 35,665,778 km

• M1: 211,083 km (0.057 R)
• M2: 596,297 km (0.058 R)
• M3: 768,335 km (0.081 R)
• M4: 1,547,440 km (0.093 R)
• M5: 1,805,347 km (0.026 R)
• M6: 3,502,834 km (0.12 R)
• M7: 5,300,851 km (0.038 R)
• M8: 6,016,078 km (0.055 R)
• M9: 6,245,861 km (0.085 R)
• M10: 7,522,230 km (0.083 R)
• M11: 8,301,635 km (0.093 R)
• M12: 9,792,976 km (0.073 R)
• M13: 12,965,797 km (0.072 R)
• M14: 19,193,257 km (0.1 R)
• M15: 24,907,896 km (0.103 R)
• M16: 33,367,057 km (0.067 R)
• M17: 35,559,115 km (0.117 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 199 - 19,280 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit