🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.58

Radius: 1.84

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 0.5 AU - 0.54 AU

Year: 137 Days

Day: 25.2 Hours

Environment

Temp: 227 °C

Axial Tilt: 39 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 66,155,711 km

• M1: 44,730 km (0.085 R)
• M2: 128,355 km (0.077 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.8 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.73

Radius: 1.49

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 0.61 AU - 0.99 AU

Year: 261 Days

Day: 31.5 Hours

Environment

Temp: 145 °C

Axial Tilt: 49 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.96 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.19

Radius: 1.77

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 0.74 AU - 1.18 AU

Year: 344 Days

Day: 43.2 Hours

Environment

Temp: 32 °C

Axial Tilt: 79.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.23 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.86

Radius: 0.94

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 1.05 AU - 1.41 AU

Year: 498 Days

Day: 41.9 Hours

Environment

Temp: 9 °C

Axial Tilt: 45.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 66,155,711 km

• M1: 118,930 km (0.069 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.72

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 1.24 AU - 1.72 AU

Year: 658 Days

Day: 22.7 Hours

Environment

Temp: -39 °C

Axial Tilt: 15.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.4 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 9.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 847.4

Radius: 11.1

Gravity: 6.88 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 7.83 AU - 10.81 AU

Year: 10392 Days

Day: 10.2 Hours

Environment

Temp: -173 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 66,155,711 km

• M1: 144,661 km (0.113 R)
• M2: 1,085,033 km (0.102 R)
• M3: 2,135,360 km (0.044 R)
• M4: 3,050,151 km (0.109 R)
• M5: 6,182,431 km (0.061 R)
• M6: 8,201,105 km (0.101 R)
• M7: 10,733,797 km (0.098 R)
• M8: 13,117,040 km (0.058 R)
• M9: 13,556,559 km (0.056 R)
• M10: 15,207,372 km (0.065 R)
• M11: 19,791,349 km (0.041 R)
• M12: 20,286,818 km (0.068 R)
• M13: 26,996,282 km (0.11 R)
• M14: 31,458,338 km (0.051 R)
• M15: 35,533,833 km (0.077 R)
• M16: 37,008,419 km (0.116 R)
• M17: 48,791,645 km (0.097 R)
• M18: 49,544,870 km (0.09 R)
• M19: 52,635,113 km (0.058 R)

Planet 7 - Gas Giant

Semi-Major Axis: 10.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 443.8

Radius: 14

Gravity: 2.26 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 10.05 AU - 10.61 AU

Year: 12127 Days

Day: 9.4 Hours

Environment

Temp: -186 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 66,155,711 km

• M1: 174,282 km (0.076 R)
• M2: 917,185 km (0.086 R)
• M3: 1,468,453 km (0.087 R)
• M4: 2,403,290 km (0.036 R)
• M5: 2,876,767 km (0.117 R)
• M6: 3,832,548 km (0.105 R)
• M7: 4,513,517 km (0.036 R)
• M8: 5,568,332 km (0.046 R)
• M9: 8,604,720 km (0.098 R)
• M10: 12,901,320 km (0.065 R)
• M11: 19,683,190 km (0.077 R)
• M12: 21,129,652 km (0.076 R)
• M13: 24,596,433 km (0.07 R)
• M14: 26,273,874 km (0.068 R)
• M15: 29,442,207 km (0.06 R)
• M16: 32,088,444 km (0.065 R)
• M17: 33,637,829 km (0.066 R)
• M18: 37,972,128 km (0.095 R)
• M19: 45,356,728 km (0.085 R)

Planet 8 - Gas Giant

Semi-Major Axis: 11.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 840.7

Radius: 12.2

Gravity: 5.65 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 11.15 AU - 12.27 AU

Year: 14636 Days

Day: 6.6 Hours

Environment

Temp: -174 °C

Axial Tilt: 48.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 66,155,711 km

• M1: 151,692 km (0.074 R)
• M2: 536,608 km (0.109 R)
• M3: 1,064,090 km (0.104 R)
• M4: 1,539,362 km (0.103 R)
• M5: 3,079,771 km (0.079 R)
• M6: 3,632,386 km (0.08 R)
• M7: 4,219,558 km (0.079 R)
• M8: 4,667,603 km (0.056 R)
• M9: 5,547,388 km (0.104 R)
• M10: 7,004,472 km (0.099 R)
• M11: 8,303,579 km (0.102 R)
• M12: 8,804,583 km (0.098 R)
• M13: 9,594,011 km (0.085 R)
• M14: 11,435,411 km (0.047 R)
• M15: 12,056,392 km (0.085 R)
• M16: 14,055,169 km (0.103 R)
• M17: 14,623,491 km (0.045 R)
• M18: 15,429,973 km (0.099 R)
• M19: 16,892,741 km (0.081 R)
• M20: 18,784,705 km (0.088 R)
• M21: 22,405,273 km (0.063 R)
• M22: 27,774,939 km (0.056 R)
• M23: 31,233,791 km (0.106 R)
• M24: 39,133,008 km (0.049 R)
• M25: 39,693,252 km (0.068 R)
• M26: 42,722,459 km (0.099 R)
• M27: 44,673,066 km (0.114 R)
• M28: 45,131,583 km (0.094 R)
• M29: 45,902,611 km (0.096 R)
• M30: 49,237,446 km (0.077 R)
• M31: 51,715,984 km (0.036 R)
• M32: 57,820,923 km (0.062 R)
• M33: 64,779,319 km (0.088 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 258 - 10,801 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit