🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.58

Radius: 1.67

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 0.63 AU - 0.83 AU

Year: 181 Days

Day: 43.7 Hours

Environment

Temp: 319 °C

Axial Tilt: 15.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 74,649,938 km

• M1: 133,441 km (0.102 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.38 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.54

Radius: 1.66

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 2.32 AU - 2.44 AU

Year: 1067 Days

Day: 20.5 Hours

Environment

Temp: 32 °C

Axial Tilt: 4.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 74,649,938 km

• M1: 697,575 km (0.114 R)

Planet 3 - Terrestrial

Semi-Major Axis: 3.16 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1

Radius: 1

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 3.14 AU - 3.18 AU

Year: 1632 Days

Day: 20.6 Hours

Environment

Temp: -36 °C

Axial Tilt: 35.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.26 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.92

Radius: 1.73

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 2.83 AU - 3.69 AU

Year: 1710 Days

Day: 14.6 Hours

Environment

Temp: -43 °C

Axial Tilt: 47.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 74,649,938 km

• M1: 172,038 km (0.065 R)
• M2: 1,522,458 km (0.08 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.89 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.88

Radius: 1.29

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 3.32 AU - 4.46 AU

Year: 2229 Days

Day: 37.7 Hours

Environment

Temp: -54 °C

Axial Tilt: 32.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 8.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 12.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 895.4

Radius: 11.5

Gravity: 6.77 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 10.6 AU - 14.7 AU

Year: 13074 Days

Day: 8.9 Hours

Environment

Temp: -147 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 74,649,938 km

• M1: 143,016 km (0.087 R)
• M2: 730,337 km (0.049 R)
• M3: 1,096,552 km (0.062 R)
• M4: 1,530,237 km (0.061 R)
• M5: 2,097,063 km (0.1 R)
• M6: 2,963,833 km (0.046 R)
• M7: 4,579,340 km (0.077 R)
• M8: 5,360,541 km (0.092 R)
• M9: 6,885,691 km (0.101 R)
• M10: 8,732,477 km (0.098 R)
• M11: 9,293,618 km (0.056 R)
• M12: 11,240,485 km (0.046 R)
• M13: 14,194,594 km (0.107 R)
• M14: 15,115,369 km (0.088 R)
• M15: 16,151,035 km (0.087 R)
• M16: 18,778,722 km (0.085 R)
• M17: 19,200,288 km (0.115 R)
• M18: 20,860,376 km (0.034 R)
• M19: 23,284,310 km (0.096 R)
• M20: 24,464,189 km (0.111 R)
• M21: 26,413,000 km (0.064 R)
• M22: 29,020,042 km (0.099 R)
• M23: 32,393,624 km (0.11 R)
• M24: 33,491,672 km (0.067 R)
• M25: 34,614,255 km (0.087 R)
• M26: 44,964,333 km (0.055 R)
• M27: 53,071,341 km (0.092 R)
• M28: 54,425,501 km (0.098 R)
• M29: 55,802,699 km (0.103 R)

Planet 7 - Gas Giant

Semi-Major Axis: 16.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 91.5

Radius: 9.9

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 13.94 AU - 18.7 AU

Year: 19158 Days

Day: 10.8 Hours

Environment

Temp: -168 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 74,649,938 km

• M1: 137,181 km (0.111 R)
• M2: 881,281 km (0.099 R)
• M3: 1,245,402 km (0.108 R)
• M4: 1,616,854 km (0.079 R)
• M5: 2,272,990 km (0.111 R)
• M6: 2,954,259 km (0.072 R)
• M7: 4,211,778 km (0.101 R)
• M8: 5,420,080 km (0.12 R)
• M9: 6,088,185 km (0.115 R)
• M10: 7,247,718 km (0.05 R)
• M11: 7,899,665 km (0.096 R)
• M12: 9,723,562 km (0.072 R)
• M13: 13,323,635 km (0.111 R)
• M14: 15,889,239 km (0.119 R)
• M15: 16,465,190 km (0.059 R)
• M16: 20,143,652 km (0.088 R)
• M17: 20,818,488 km (0.105 R)
• M18: 23,751,953 km (0.07 R)
• M19: 32,935,018 km (0.106 R)
• M20: 36,676,461 km (0.117 R)

Planet 8 - Gas Giant

Semi-Major Axis: 17.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 599.1

Radius: 8.6

Gravity: 8.1 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 16.04 AU - 18.42 AU

Year: 20782 Days

Day: 12.4 Hours

Environment

Temp: -153 °C

Axial Tilt: 47.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 74,649,938 km

• M1: 108,010 km (0.11 R)
• M2: 594,352 km (0.08 R)
• M3: 922,570 km (0.096 R)
• M4: 1,708,557 km (0.091 R)
• M5: 3,643,157 km (0.056 R)
• M6: 5,551,128 km (0.088 R)
• M7: 6,075,020 km (0.086 R)
• M8: 7,553,645 km (0.08 R)
• M9: 8,769,876 km (0.114 R)
• M10: 12,509,075 km (0.11 R)
• M11: 14,352,270 km (0.076 R)
• M12: 16,532,360 km (0.045 R)
• M13: 28,867,752 km (0.083 R)
• M14: 29,705,350 km (0.027 R)
• M15: 43,348,825 km (0.077 R)
• M16: 62,615,834 km (0.037 R)
• M17: 64,422,677 km (0.071 R)
• M18: 68,562,051 km (0.084 R)

Kuiper Belt

Range: 37.7 - 61.7 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 382 - 18,499 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit