🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.78 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.67

Radius: 0.85

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 0.66 AU - 0.9 AU

Year: 248 Days

Day: 12.1 Hours

Environment

Temp: 127 °C

Axial Tilt: 0.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.37 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.62

Radius: 0.83

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 1.27 AU - 1.47 AU

Year: 577 Days

Day: 20.2 Hours

Environment

Temp: -17 °C

Axial Tilt: 38.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 79,165,412 km

• M1: 20,196 km (0.049 R)

Planet 3 - Terrestrial

Semi-Major Axis: 3.83 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.62

Radius: 0.83

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 3.26 AU - 4.4 AU

Year: 2698 Days

Day: 27 Hours

Environment

Temp: -127 °C

Axial Tilt: 4.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 79,165,412 km

• M1: 120,426 km (0.117 R)
• M2: 1,365,829 km (0.085 R)

Planet 4 - Terrestrial

Semi-Major Axis: 4.28 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.33

Radius: 1.62

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 3.4 AU - 5.16 AU

Year: 3187 Days

Day: 16.4 Hours

Environment

Temp: -132 °C

Axial Tilt: 58.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.91 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 5.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 88.2

Radius: 8.8

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 4.87 AU - 6.19 AU

Year: 4680 Days

Day: 6.5 Hours

Environment

Temp: -134 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 79,165,412 km

• M1: 112,498 km (0.03 R)
• M2: 437,723 km (0.085 R)
• M3: 1,107,473 km (0.11 R)
• M4: 1,385,575 km (0.105 R)
• M5: 1,887,177 km (0.086 R)
• M6: 2,531,794 km (0.097 R)
• M7: 3,543,974 km (0.104 R)
• M8: 4,123,067 km (0.119 R)
• M9: 4,804,784 km (0.039 R)
• M10: 5,906,423 km (0.091 R)
• M11: 6,516,483 km (0.104 R)
• M12: 6,981,433 km (0.046 R)
• M13: 8,631,199 km (0.074 R)
• M14: 10,490,999 km (0.108 R)
• M15: 11,870,292 km (0.105 R)
• M16: 12,368,902 km (0.06 R)
• M17: 12,961,309 km (0.119 R)
• M18: 13,489,988 km (0.092 R)

Planet 6 - Ice Giant

Semi-Major Axis: 18.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 436.4

Radius: 4

Gravity: 27.28 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 17.19 AU - 20.23 AU

Year: 29126 Days

Day: 16.5 Hours

Environment

Temp: -196 °C

Axial Tilt: 44.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 79,165,412 km

• M1: 70,760 km (0.089 R)
• M2: 213,925 km (0.086 R)
• M3: 753,076 km (0.082 R)
• M4: 896,989 km (0.083 R)
• M5: 1,059,303 km (0.093 R)
• M6: 1,798,017 km (0.109 R)
• M7: 2,252,196 km (0.106 R)
• M8: 2,753,199 km (0.069 R)
• M9: 2,989,265 km (0.091 R)
• M10: 4,772,770 km (0.082 R)
• M11: 5,593,165 km (0.084 R)
• M12: 8,777,954 km (0.053 R)
• M13: 9,002,650 km (0.093 R)
• M14: 9,759,615 km (0.118 R)
• M15: 10,370,124 km (0.066 R)
• M16: 12,076,139 km (0.113 R)
• M17: 15,783,024 km (0.073 R)
• M18: 22,191,049 km (0.095 R)
• M19: 22,503,409 km (0.102 R)
• M20: 32,352,036 km (0.056 R)
• M21: 34,811,275 km (0.119 R)
• M22: 35,800,266 km (0.114 R)
• M23: 39,030,683 km (0.115 R)
• M24: 40,097,914 km (0.116 R)
• M25: 41,027,964 km (0.058 R)
• M26: 41,655,976 km (0.043 R)
• M27: 48,292,586 km (0.11 R)
• M28: 49,345,157 km (0.079 R)
• M29: 49,521,982 km (0.117 R)
• M30: 50,412,837 km (0.081 R)
• M31: 53,149,431 km (0.098 R)
• M32: 57,731,015 km (0.11 R)
• M33: 57,927,437 km (0.052 R)
• M34: 62,155,971 km (0.097 R)
• M35: 65,299,022 km (0.048 R)
• M36: 69,430,317 km (0.088 R)
• M37: 70,321,770 km (0.055 R)
• M38: 70,995,260 km (0.099 R)
• M39: 76,066,478 km (0.056 R)
• M40: 82,364,399 km (0.117 R)

Planet 7 - Ice Giant

Semi-Major Axis: 19.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 344.1

Radius: 3.1

Gravity: 35.81 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 15.31 AU - 22.81 AU

Year: 29947 Days

Day: 16.8 Hours

Environment

Temp: -200 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 79,165,412 km

• M1: 38,746 km (0.106 R)
• M2: 135,536 km (0.115 R)
• M3: 237,561 km (0.061 R)
• M4: 455,376 km (0.095 R)
• M5: 681,119 km (0.106 R)
• M6: 1,274,873 km (0.118 R)
• M7: 1,429,258 km (0.105 R)
• M8: 5,179,078 km (0.106 R)
• M9: 5,572,221 km (0.078 R)
• M10: 9,065,631 km (0.086 R)
• M11: 10,048,639 km (0.038 R)
• M12: 11,164,489 km (0.031 R)
• M13: 11,358,069 km (0.1 R)
• M14: 12,918,075 km (0.099 R)
• M15: 13,565,535 km (0.045 R)
• M16: 14,083,892 km (0.042 R)
• M17: 17,130,003 km (0.06 R)
• M18: 18,087,280 km (0.062 R)
• M19: 20,298,785 km (0.115 R)
• M20: 24,809,012 km (0.076 R)
• M21: 25,138,725 km (0.034 R)
• M22: 27,295,478 km (0.12 R)
• M23: 30,693,893 km (0.092 R)
• M24: 32,625,500 km (0.098 R)
• M25: 34,499,812 km (0.117 R)
• M26: 47,105,078 km (0.071 R)
• M27: 47,273,077 km (0.117 R)
• M28: 57,338,321 km (0.103 R)
• M29: 58,688,741 km (0.09 R)
• M30: 61,453,010 km (0.046 R)
• M31: 61,653,621 km (0.081 R)
• M32: 62,460,851 km (0.081 R)
• M33: 71,144,559 km (0.084 R)
• M34: 71,809,671 km (0.105 R)

Kuiper Belt

Range: 30.5 - 51.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 414 - 12,337 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit