🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.11

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 0.65 AU - 0.67 AU

Year: 200 Days

Day: 20.8 Hours

Environment

Temp: 176 °C

Axial Tilt: 8.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.71 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.59

Radius: 1.46

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 0.63 AU - 0.79 AU

Year: 223 Days

Day: 42.4 Hours

Environment

Temp: 160 °C

Axial Tilt: 39.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.24 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.99

Radius: 1.74

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 1.24 AU - 1.24 AU

Year: 515 Days

Day: 32.7 Hours

Environment

Temp: -3 °C

Axial Tilt: 23.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 81,061,893 km

• M1: 441,164 km (0.111 R)
• M2: 1,176,138 km (0.113 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.7

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 1.18 AU - 1.84 AU

Year: 692 Days

Day: 23.4 Hours

Environment

Temp: -35 °C

Axial Tilt: 37.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.62 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 9.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 153.4

Radius: 13.3

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 7.32 AU - 12.14 AU

Year: 11314 Days

Day: 8.1 Hours

Environment

Temp: -175 °C

Axial Tilt: 51.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 81,061,893 km

• M1: 168,597 km (0.063 R)
• M2: 699,071 km (0.1 R)
• M3: 1,295,218 km (0.104 R)
• M4: 1,796,970 km (0.094 R)
• M5: 2,285,107 km (0.048 R)
• M6: 2,861,957 km (0.11 R)
• M7: 4,001,893 km (0.034 R)
• M8: 4,872,702 km (0.051 R)
• M9: 5,311,024 km (0.063 R)
• M10: 6,205,020 km (0.099 R)
• M11: 6,655,460 km (0.096 R)
• M12: 9,000,406 km (0.089 R)
• M13: 10,315,072 km (0.083 R)
• M14: 10,765,512 km (0.038 R)
• M15: 11,998,348 km (0.12 R)
• M16: 12,547,521 km (0.111 R)
• M17: 13,803,994 km (0.093 R)
• M18: 14,687,220 km (0.095 R)
• M19: 15,903,151 km (0.091 R)
• M20: 17,373,848 km (0.06 R)
• M21: 19,202,233 km (0.108 R)
• M22: 19,678,702 km (0.105 R)
• M23: 27,981,534 km (0.111 R)
• M24: 31,323,251 km (0.113 R)

Planet 6 - Ice Giant

Semi-Major Axis: 12.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 812.2

Radius: 7.2

Gravity: 15.67 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 10.56 AU - 15.06 AU

Year: 17091 Days

Day: 19 Hours

Environment

Temp: -179 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 81,061,893 km

• M1: 89,908 km (0.106 R)
• M2: 359,334 km (0.079 R)
• M3: 789,578 km (0.115 R)
• M4: 1,103,434 km (0.077 R)
• M5: 1,713,943 km (0.055 R)
• M6: 1,949,111 km (0.054 R)
• M7: 2,310,689 km (0.067 R)
• M8: 2,668,976 km (0.067 R)
• M9: 3,611,741 km (0.087 R)
• M10: 4,320,536 km (0.08 R)
• M11: 5,266,593 km (0.048 R)
• M12: 5,768,494 km (0.094 R)
• M13: 6,690,017 km (0.105 R)
• M14: 7,048,304 km (0.075 R)
• M15: 8,821,637 km (0.054 R)
• M16: 9,811,376 km (0.1 R)
• M17: 11,495,250 km (0.081 R)
• M18: 11,879,717 km (0.045 R)
• M19: 16,289,263 km (0.107 R)
• M20: 17,688,751 km (0.095 R)
• M21: 20,444,195 km (0.062 R)
• M22: 21,874,949 km (0.065 R)
• M23: 23,066,496 km (0.115 R)
• M24: 27,012,738 km (0.111 R)
• M25: 28,733,113 km (0.101 R)
• M26: 37,594,244 km (0.087 R)
• M27: 37,875,189 km (0.047 R)
• M28: 43,174,693 km (0.077 R)
• M29: 43,947,815 km (0.111 R)
• M30: 44,416,057 km (0.082 R)
• M31: 46,161,415 km (0.045 R)
• M32: 53,069,845 km (0.087 R)
• M33: 57,789,957 km (0.091 R)
• M34: 63,774,470 km (0.053 R)
• M35: 64,776,776 km (0.054 R)
• M36: 66,812,952 km (0.119 R)
• M37: 67,846,973 km (0.087 R)

Planet 7 - Ice Giant

Semi-Major Axis: 16.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 858.9

Radius: 5.8

Gravity: 25.53 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 13.5 AU - 19.5 AU

Year: 24985 Days

Day: 24.1 Hours

Environment

Temp: -206 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 81,061,893 km

• M1: 72,106 km (0.089 R)
• M2: 350,209 km (0.088 R)
• M3: 636,090 km (0.035 R)
• M4: 1,322,146 km (0.041 R)
• M5: 1,686,417 km (0.105 R)
• M6: 1,985,912 km (0.096 R)
• M7: 2,743,924 km (0.057 R)
• M8: 3,336,631 km (0.091 R)
• M9: 6,022,511 km (0.112 R)
• M10: 8,565,824 km (0.057 R)
• M11: 9,945,566 km (0.068 R)
• M12: 12,465,841 km (0.098 R)
• M13: 13,061,689 km (0.105 R)
• M14: 15,722,287 km (0.103 R)
• M15: 17,224,400 km (0.078 R)
• M16: 17,407,208 km (0.114 R)
• M17: 19,306,952 km (0.092 R)
• M18: 25,472,029 km (0.073 R)
• M19: 26,918,641 km (0.092 R)
• M20: 31,042,157 km (0.061 R)
• M21: 32,134,969 km (0.092 R)
• M22: 32,551,449 km (0.095 R)
• M23: 34,542,298 km (0.027 R)
• M24: 35,125,730 km (0.096 R)
• M25: 35,567,642 km (0.07 R)
• M26: 41,162,602 km (0.113 R)
• M27: 50,986,844 km (0.047 R)
• M28: 51,933,200 km (0.076 R)
• M29: 52,314,974 km (0.04 R)
• M30: 53,860,918 km (0.05 R)
• M31: 54,056,293 km (0.113 R)
• M32: 55,636,196 km (0.098 R)
• M33: 57,654,122 km (0.032 R)
• M34: 63,780,903 km (0.088 R)
• M35: 64,218,776 km (0.06 R)
• M36: 64,438,535 km (0.076 R)
• M37: 66,888,200 km (0.061 R)
• M38: 80,072,410 km (0.056 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 403.4

Radius: 4.9

Gravity: 16.8 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 16.02 AU - 20.14 AU

Year: 28658 Days

Day: 20.2 Hours

Environment

Temp: -191 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 81,061,893 km

• M1: 61,335 km (0.032 R)
• M2: 230,830 km (0.049 R)
• M3: 590,612 km (0.107 R)
• M4: 789,877 km (0.101 R)
• M5: 1,858,155 km (0.104 R)
• M6: 2,119,353 km (0.118 R)
• M7: 3,684,895 km (0.118 R)
• M8: 4,683,461 km (0.095 R)
• M9: 12,188,487 km (0.085 R)
• M10: 12,534,357 km (0.09 R)
• M11: 14,438,887 km (0.081 R)
• M12: 16,612,395 km (0.088 R)
• M13: 19,179,494 km (0.084 R)
• M14: 19,836,528 km (0.049 R)
• M15: 41,223,189 km (0.08 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: 460 - 18,268 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit