🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.82 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.79

Radius: 0.91

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 0.68 AU - 0.96 AU

Year: 271 Days

Day: 24.9 Hours

Environment

Temp: 101 °C

Axial Tilt: 36.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.21 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.38

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 1.02 AU - 1.4 AU

Year: 486 Days

Day: 15.7 Hours

Environment

Temp: -7 °C

Axial Tilt: 18 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.78

Radius: 0.91

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 1.64 AU - 1.82 AU

Year: 831 Days

Day: 25.5 Hours

Environment

Temp: -47 °C

Axial Tilt: 18.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.26

Radius: 0.58

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 1.36 AU - 2.24 AU

Year: 882 Days

Day: 17.2 Hours

Environment

Temp: -47 °C

Axial Tilt: 26.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.15 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.52

Radius: 0.77

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 2.43 AU - 3.87 AU

Year: 2042 Days

Day: 32.6 Hours

Environment

Temp: -103 °C

Axial Tilt: 25.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.26 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.01

Radius: 1.74

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 3.7 AU - 4.82 AU

Year: 3211 Days

Day: 37.6 Hours

Environment

Temp: -135 °C

Axial Tilt: 22.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 4.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.43

Radius: 1.64

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 3.96 AU - 5.06 AU

Year: 3498 Days

Day: 26.9 Hours

Environment

Temp: -129 °C

Axial Tilt: 17.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 107,480,279 km

• M1: 554,559 km (0.112 R)

Planet 8 - Terrestrial

Semi-Major Axis: 4.78 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.69

Radius: 0.86

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 3.8 AU - 5.76 AU

Year: 3817 Days

Day: 26.1 Hours

Environment

Temp: -137 °C

Axial Tilt: 37.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 9.23 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Ice Giant

Semi-Major Axis: 13.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 537.9

Radius: 5.8

Gravity: 15.99 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 11.26 AU - 16.1 AU

Year: 18481 Days

Day: 16.1 Hours

Environment

Temp: -196 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 107,480,279 km

• M1: 72,106 km (0.038 R)
• M2: 266,733 km (0.082 R)
• M3: 493,374 km (0.075 R)
• M4: 790,176 km (0.113 R)
• M5: 1,922,781 km (0.089 R)
• M6: 2,875,720 km (0.113 R)
• M7: 4,656,982 km (0.073 R)
• M8: 6,847,394 km (0.076 R)
• M9: 11,140,105 km (0.12 R)
• M10: 17,429,349 km (0.052 R)
• M11: 27,248,504 km (0.118 R)
• M12: 33,750,776 km (0.116 R)
• M13: 35,820,013 km (0.073 R)
• M14: 36,084,502 km (0.087 R)
• M15: 37,020,536 km (0.065 R)
• M16: 37,426,545 km (0.069 R)
• M17: 45,406,544 km (0.044 R)
• M18: 46,027,525 km (0.088 R)
• M19: 48,084,944 km (0.085 R)
• M20: 58,744,690 km (0.057 R)
• M21: 59,667,260 km (0.082 R)

Planet 10 - Ice Giant

Semi-Major Axis: 18.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 892.4

Radius: 3.1

Gravity: 92.86 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 17.55 AU - 19.75 AU

Year: 29418 Days

Day: 16.3 Hours

Environment

Temp: -191 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (44)

Outer Limit: 107,480,279 km

• M1: 39,793 km (0.111 R)
• M2: 173,833 km (0.113 R)
• M3: 314,754 km (0.101 R)
• M4: 512,522 km (0.088 R)
• M5: 624,272 km (0.075 R)
• M6: 1,033,572 km (0.091 R)
• M7: 1,182,571 km (0.047 R)
• M8: 1,542,504 km (0.094 R)
• M9: 1,697,337 km (0.038 R)
• M10: 3,493,559 km (0.066 R)
• M11: 4,005,932 km (0.114 R)
• M12: 4,298,844 km (0.113 R)
• M13: 4,566,625 km (0.106 R)
• M14: 4,724,600 km (0.057 R)
• M15: 5,263,152 km (0.09 R)
• M16: 5,841,498 km (0.089 R)
• M17: 7,998,699 km (0.073 R)
• M18: 8,462,303 km (0.076 R)
• M19: 10,771,645 km (0.087 R)
• M20: 11,846,655 km (0.115 R)
• M21: 18,605,487 km (0.028 R)
• M22: 20,571,054 km (0.113 R)
• M23: 21,219,261 km (0.089 R)
• M24: 21,548,526 km (0.118 R)
• M25: 23,246,013 km (0.07 R)
• M26: 24,425,742 km (0.103 R)
• M27: 28,335,931 km (0.107 R)
• M28: 29,544,682 km (0.097 R)
• M29: 32,497,893 km (0.068 R)
• M30: 36,262,973 km (0.036 R)
• M31: 37,526,476 km (0.086 R)
• M32: 38,655,791 km (0.088 R)
• M33: 40,982,187 km (0.113 R)
• M34: 41,322,073 km (0.086 R)
• M35: 47,016,965 km (0.088 R)
• M36: 48,898,458 km (0.118 R)
• M37: 59,061,987 km (0.08 R)
• M38: 59,713,037 km (0.107 R)
• M39: 71,769,578 km (0.107 R)
• M40: 73,507,008 km (0.081 R)
• M41: 77,842,504 km (0.056 R)
• M42: 78,102,804 km (0.048 R)
• M43: 85,626,380 km (0.036 R)
• M44: 88,143,514 km (0.088 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 315 - 16,585 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit