🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.04 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.98

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 0.97 AU - 1.11 AU

Year: 369 Days

Day: 37.8 Hours

Environment

Temp: 165 °C

Axial Tilt: 42.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.33 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.73

Radius: 0.88

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 1.08 AU - 1.58 AU

Year: 534 Days

Day: 46.4 Hours

Environment

Temp: 12 °C

Axial Tilt: 20.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 56,530,046 km

• M1: 99,333 km (0.101 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.09

Radius: 1.57

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 1.56 AU - 1.72 AU

Year: 731 Days

Day: 39.9 Hours

Environment

Temp: -33 °C

Axial Tilt: 24.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.24 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.08

Radius: 1.34

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 2.11 AU - 2.37 AU

Year: 1168 Days

Day: 18.6 Hours

Environment

Temp: -61 °C

Axial Tilt: 35.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.97 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 9.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 610.5

Radius: 10.8

Gravity: 5.23 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 7.42 AU - 11.96 AU

Year: 10505 Days

Day: 5.1 Hours

Environment

Temp: -174 °C

Axial Tilt: 48.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 56,530,046 km

• M1: 134,339 km (0.102 R)
• M2: 549,772 km (0.103 R)
• M3: 1,200,224 km (0.08 R)
• M4: 2,154,808 km (0.08 R)
• M5: 2,522,519 km (0.095 R)
• M6: 3,783,181 km (0.086 R)
• M7: 4,183,355 km (0.109 R)
• M8: 4,553,011 km (0.082 R)
• M9: 5,325,684 km (0.069 R)
• M10: 6,779,327 km (0.088 R)
• M11: 7,170,824 km (0.068 R)
• M12: 8,983,502 km (0.085 R)
• M13: 9,650,409 km (0.103 R)
• M14: 10,401,390 km (0.062 R)
• M15: 12,478,258 km (0.103 R)
• M16: 12,889,053 km (0.075 R)
• M17: 13,799,805 km (0.098 R)
• M18: 14,948,567 km (0.064 R)
• M19: 16,932,085 km (0.06 R)
• M20: 18,323,046 km (0.104 R)
• M21: 20,917,821 km (0.103 R)
• M22: 22,952,353 km (0.094 R)
• M23: 23,569,743 km (0.064 R)
• M24: 24,198,353 km (0.1 R)
• M25: 26,151,054 km (0.079 R)
• M26: 27,509,852 km (0.071 R)
• M27: 36,071,787 km (0.096 R)
• M28: 37,147,545 km (0.102 R)
• M29: 37,510,768 km (0.102 R)
• M30: 42,451,687 km (0.076 R)
• M31: 45,837,236 km (0.113 R)

Planet 6 - Gas Giant

Semi-Major Axis: 12.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 472.7

Radius: 9.8

Gravity: 4.92 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 9.95 AU - 15.31 AU

Year: 15631 Days

Day: 11.1 Hours

Environment

Temp: -183 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 56,530,046 km

• M1: 122,221 km (0.106 R)
• M2: 506,239 km (0.101 R)
• M3: 908,807 km (0.078 R)
• M4: 1,305,840 km (0.097 R)
• M5: 1,705,565 km (0.091 R)
• M6: 2,459,539 km (0.072 R)
• M7: 2,822,463 km (0.067 R)
• M8: 4,074,298 km (0.103 R)
• M9: 6,032,385 km (0.103 R)
• M10: 6,778,579 km (0.088 R)
• M11: 8,742,051 km (0.109 R)
• M12: 9,286,886 km (0.115 R)
• M13: 9,801,652 km (0.108 R)
• M14: 16,863,570 km (0.109 R)
• M15: 18,661,437 km (0.082 R)
• M16: 19,481,682 km (0.089 R)
• M17: 24,138,963 km (0.069 R)
• M18: 26,112,009 km (0.091 R)
• M19: 27,660,646 km (0.072 R)
• M20: 34,837,305 km (0.034 R)
• M21: 35,579,460 km (0.091 R)
• M22: 36,080,014 km (0.06 R)
• M23: 37,223,541 km (0.072 R)
• M24: 38,917,587 km (0.061 R)
• M25: 42,739,962 km (0.091 R)
• M26: 49,085,904 km (0.095 R)
• M27: 52,563,306 km (0.106 R)
• M28: 56,880,551 km (0.082 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 317.5

Radius: 7.2

Gravity: 6.12 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 13.06 AU - 15.52 AU

Year: 18812 Days

Day: 19.4 Hours

Environment

Temp: -192 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 56,530,046 km

• M1: 90,357 km (0.051 R)
• M2: 402,568 km (0.066 R)
• M3: 860,038 km (0.11 R)
• M4: 2,268,951 km (0.084 R)
• M5: 2,925,237 km (0.103 R)
• M6: 3,811,155 km (0.073 R)
• M7: 9,075,953 km (0.05 R)
• M8: 11,273,546 km (0.113 R)
• M9: 15,094,126 km (0.07 R)
• M10: 16,988,933 km (0.093 R)
• M11: 23,615,819 km (0.119 R)
• M12: 23,995,798 km (0.093 R)
• M13: 30,643,179 km (0.08 R)
• M14: 34,628,915 km (0.11 R)
• M15: 39,477,382 km (0.102 R)
• M16: 48,480,182 km (0.106 R)
• M17: 51,601,242 km (0.087 R)

Kuiper Belt

Range: 31.5 - 54.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 229 - 15,499 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit