🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.08 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.72

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 0.86 AU - 1.3 AU

Year: 412 Days

Day: 39.8 Hours

Environment

Temp: 29 °C

Axial Tilt: 37.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.1

Radius: 1.76

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 1.11 AU - 1.83 AU

Year: 654 Days

Day: 31.6 Hours

Environment

Temp: -32 °C

Axial Tilt: 28.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 51,309,873 km

• M1: 42,486 km (0.12 R)
• M2: 219,909 km (0.066 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.6

Radius: 1.47

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 2.12 AU - 2.56 AU

Year: 1314 Days

Day: 29.1 Hours

Environment

Temp: -91 °C

Axial Tilt: 36.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 51,309,873 km

• M1: 315,352 km (0.048 R)
• M2: 1,561,203 km (0.068 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.05 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.83

Radius: 0.93

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 3.02 AU - 3.08 AU

Year: 1955 Days

Day: 18.8 Hours

Environment

Temp: -114 °C

Axial Tilt: 31.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 51,309,873 km

• M1: 128,056 km (0.066 R)

Asteroid Belt

Center: 4.82 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 6.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 64.5

Radius: 10.5

Gravity: 0.59 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 5.27 AU - 7.91 AU

Year: 6210 Days

Day: 12.8 Hours

Environment

Temp: -164 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 51,309,873 km

• M1: 131,197 km (0.05 R)
• M2: 765,792 km (0.114 R)
• M3: 1,356,254 km (0.096 R)
• M4: 2,110,228 km (0.067 R)
• M5: 2,637,111 km (0.101 R)
• M6: 3,992,468 km (0.099 R)
• M7: 6,458,140 km (0.114 R)
• M8: 7,150,778 km (0.111 R)
• M9: 9,696,336 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 399

Radius: 8.6

Gravity: 5.39 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 6.59 AU - 7.59 AU

Year: 6930 Days

Day: 9.5 Hours

Environment

Temp: -166 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 51,309,873 km

• M1: 107,112 km (0.064 R)
• M2: 467,643 km (0.04 R)
• M3: 822,639 km (0.12 R)
• M4: 1,270,984 km (0.118 R)
• M5: 1,576,762 km (0.077 R)
• M6: 2,106,488 km (0.12 R)
• M7: 3,167,735 km (0.117 R)
• M8: 4,474,472 km (0.03 R)
• M9: 4,972,035 km (0.099 R)
• M10: 5,476,778 km (0.108 R)
• M11: 6,077,413 km (0.104 R)
• M12: 9,545,541 km (0.099 R)
• M13: 11,241,532 km (0.032 R)
• M14: 11,963,342 km (0.058 R)
• M15: 13,929,955 km (0.079 R)
• M16: 19,293,338 km (0.094 R)
• M17: 23,110,777 km (0.101 R)
• M18: 24,355,431 km (0.106 R)
• M19: 27,834,329 km (0.118 R)
• M20: 30,697,333 km (0.085 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 433.9

Radius: 5.1

Gravity: 16.68 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 12.12 AU - 19.2 AU

Year: 22749 Days

Day: 24.5 Hours

Environment

Temp: -195 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 51,309,873 km

• M1: 64,327 km (0.113 R)
• M2: 676,332 km (0.114 R)
• M3: 2,810,495 km (0.089 R)
• M4: 3,113,580 km (0.092 R)
• M5: 7,402,402 km (0.086 R)
• M6: 8,229,828 km (0.116 R)
• M7: 9,780,559 km (0.055 R)
• M8: 10,835,523 km (0.048 R)
• M9: 15,661,551 km (0.077 R)
• M10: 19,872,282 km (0.063 R)
• M11: 26,506,200 km (0.117 R)
• M12: 27,624,892 km (0.099 R)
• M13: 31,416,002 km (0.102 R)
• M14: 31,663,885 km (0.1 R)
• M15: 35,674,155 km (0.07 R)
• M16: 39,865,140 km (0.092 R)
• M17: 44,998,142 km (0.088 R)
• M18: 57,286,111 km (0.104 R)
• M19: 63,993,032 km (0.044 R)
• M20: 66,204,238 km (0.04 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 105.5

Radius: 3

Gravity: 11.72 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 17.3 AU - 18.86 AU

Year: 28221 Days

Day: 23.7 Hours

Environment

Temp: -201 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 51,309,873 km

• M1: 37,250 km (0.056 R)
• M2: 172,038 km (0.097 R)
• M3: 367,263 km (0.107 R)
• M4: 677,529 km (0.098 R)
• M5: 1,313,918 km (0.109 R)
• M6: 2,350,631 km (0.031 R)
• M7: 2,762,773 km (0.046 R)
• M8: 3,245,526 km (0.1 R)
• M9: 3,622,961 km (0.063 R)
• M10: 4,898,881 km (0.074 R)
• M11: 5,225,753 km (0.111 R)
• M12: 7,122,654 km (0.111 R)
• M13: 8,802,488 km (0.093 R)
• M14: 13,103,577 km (0.11 R)
• M15: 19,414,961 km (0.102 R)
• M16: 23,353,873 km (0.044 R)
• M17: 27,488,010 km (0.117 R)
• M18: 32,535,891 km (0.116 R)
• M19: 32,877,573 km (0.051 R)
• M20: 39,573,274 km (0.119 R)
• M21: 46,977,322 km (0.107 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 156 - 15,587 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit