🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.76 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.96

Radius: 1.31

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 0.59 AU - 0.93 AU

Year: 235 Days

Day: 24.8 Hours

Environment

Temp: 113 °C

Axial Tilt: 2.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 80,444,370 km

• M1: 524,341 km (0.073 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.03 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.21

Radius: 1.37

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 0.94 AU - 1.12 AU

Year: 371 Days

Day: 20.4 Hours

Environment

Temp: 82 °C

Axial Tilt: 7.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 80,444,370 km

• M1: 180,864 km (0.107 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.24 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.98

Radius: 1.74

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 1 AU - 1.48 AU

Year: 490 Days

Day: 28.4 Hours

Environment

Temp: 27 °C

Axial Tilt: 32.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.3 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.15

Radius: 1.36

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 1.18 AU - 1.42 AU

Year: 526 Days

Day: 46.2 Hours

Environment

Temp: 19 °C

Axial Tilt: 42.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 4.48 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.8

Radius: 0.91

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 4.15 AU - 4.81 AU

Year: 3364 Days

Day: 12.3 Hours

Environment

Temp: -131 °C

Axial Tilt: 4.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.01 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 105.2

Radius: 10.8

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 5.29 AU - 5.79 AU

Year: 4626 Days

Day: 10.2 Hours

Environment

Temp: -147 °C

Axial Tilt: 42.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 80,444,370 km

• M1: 134,339 km (0.068 R)
• M2: 501,602 km (0.07 R)
• M3: 892,800 km (0.063 R)
• M4: 1,369,868 km (0.116 R)
• M5: 2,374,567 km (0.116 R)
• M6: 2,778,481 km (0.078 R)
• M7: 3,356,378 km (0.106 R)
• M8: 4,691,240 km (0.11 R)
• M9: 6,632,272 km (0.118 R)
• M10: 7,955,764 km (0.098 R)
• M11: 9,680,179 km (0.062 R)
• M12: 13,726,053 km (0.093 R)
• M13: 14,991,203 km (0.116 R)

Planet 7 - Gas Giant

Semi-Major Axis: 10.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 918.7

Radius: 13.3

Gravity: 5.19 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 9.99 AU - 11.75 AU

Year: 12714 Days

Day: 9.6 Hours

Environment

Temp: -167 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 80,444,370 km

• M1: 175,628 km (0.11 R)
• M2: 617,091 km (0.118 R)
• M3: 1,031,477 km (0.09 R)
• M4: 1,786,348 km (0.1 R)
• M5: 3,428,185 km (0.12 R)
• M6: 3,892,237 km (0.032 R)
• M7: 4,367,510 km (0.081 R)
• M8: 4,782,195 km (0.117 R)
• M9: 5,293,371 km (0.054 R)
• M10: 6,671,467 km (0.066 R)
• M11: 7,992,565 km (0.112 R)
• M12: 8,915,285 km (0.092 R)
• M13: 9,639,788 km (0.086 R)
• M14: 10,685,477 km (0.073 R)
• M15: 11,383,949 km (0.102 R)
• M16: 15,198,246 km (0.118 R)
• M17: 16,157,617 km (0.1 R)
• M18: 22,497,425 km (0.081 R)
• M19: 23,645,739 km (0.07 R)
• M20: 24,135,672 km (0.068 R)
• M21: 25,645,862 km (0.059 R)
• M22: 28,411,777 km (0.071 R)
• M23: 29,189,088 km (0.093 R)
• M24: 32,081,712 km (0.082 R)
• M25: 38,701,119 km (0.052 R)
• M26: 40,627,491 km (0.049 R)
• M27: 57,159,252 km (0.098 R)
• M28: 59,474,279 km (0.102 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 727.4

Radius: 3.3

Gravity: 66.8 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 11.69 AU - 18.13 AU

Year: 20425 Days

Day: 17.8 Hours

Environment

Temp: -191 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 80,444,370 km

• M1: 40,990 km (0.089 R)
• M2: 163,810 km (0.113 R)
• M3: 375,491 km (0.092 R)
• M4: 563,834 km (0.056 R)
• M5: 1,786,797 km (0.075 R)
• M6: 2,061,010 km (0.115 R)
• M7: 3,052,395 km (0.085 R)
• M8: 3,711,972 km (0.081 R)
• M9: 4,190,236 km (0.114 R)
• M10: 4,566,176 km (0.091 R)
• M11: 5,190,747 km (0.094 R)
• M12: 7,210,917 km (0.086 R)
• M13: 7,355,279 km (0.027 R)
• M14: 9,354,654 km (0.116 R)
• M15: 13,346,972 km (0.067 R)
• M16: 14,007,297 km (0.052 R)
• M17: 14,998,982 km (0.117 R)
• M18: 16,866,711 km (0.117 R)
• M19: 18,432,402 km (0.076 R)
• M20: 24,024,670 km (0.028 R)
• M21: 29,043,080 km (0.04 R)
• M22: 29,531,068 km (0.116 R)
• M23: 68,355,905 km (0.035 R)
• M24: 77,547,796 km (0.09 R)

Planet 9 - Ice Giant

Semi-Major Axis: 15.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 672.5

Radius: 7.4

Gravity: 12.28 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 14.58 AU - 16.7 AU

Year: 21943 Days

Day: 24 Hours

Environment

Temp: -191 °C

Axial Tilt: 177.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 80,444,370 km

• M1: 92,451 km (0.08 R)
• M2: 634,445 km (0.039 R)
• M3: 971,189 km (0.118 R)
• M4: 2,651,622 km (0.091 R)
• M5: 3,717,357 km (0.116 R)
• M6: 4,096,438 km (0.037 R)
• M7: 4,969,342 km (0.114 R)
• M8: 5,549,333 km (0.073 R)
• M9: 7,414,070 km (0.102 R)
• M10: 8,922,915 km (0.05 R)
• M11: 10,317,915 km (0.106 R)
• M12: 10,813,682 km (0.1 R)
• M13: 11,195,755 km (0.068 R)
• M14: 13,680,576 km (0.032 R)
• M15: 14,816,622 km (0.063 R)
• M16: 17,622,330 km (0.102 R)
• M17: 21,553,313 km (0.088 R)
• M18: 23,193,055 km (0.108 R)
• M19: 26,373,955 km (0.071 R)
• M20: 29,339,882 km (0.099 R)
• M21: 30,459,772 km (0.097 R)
• M22: 31,737,487 km (0.077 R)
• M23: 43,430,356 km (0.108 R)
• M24: 44,072,281 km (0.107 R)
• M25: 45,375,428 km (0.101 R)
• M26: 45,870,597 km (0.062 R)
• M27: 48,229,306 km (0.071 R)
• M28: 49,962,697 km (0.105 R)
• M29: 50,844,875 km (0.094 R)
• M30: 53,553,495 km (0.04 R)
• M31: 61,244,022 km (0.113 R)

Kuiper Belt

Range: 30.9 - 46.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 368 - 13,154 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit