🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.68 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.96

Radius: 1.73

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 0.6 AU - 0.76 AU

Year: 202 Days

Day: 14.4 Hours

Environment

Temp: 207 °C

Axial Tilt: 9.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.91 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.45

Radius: 0.73

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 0.87 AU - 0.95 AU

Year: 312 Days

Day: 47.3 Hours

Environment

Temp: 168 °C

Axial Tilt: 32.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.93 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.92

Radius: 1.3

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 0.77 AU - 1.09 AU

Year: 323 Days

Day: 34.2 Hours

Environment

Temp: 133 °C

Axial Tilt: 6.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.32 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.64

Radius: 0.84

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 1 AU - 1.64 AU

Year: 546 Days

Day: 31.6 Hours

Environment

Temp: -9 °C

Axial Tilt: 6.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 39,376,141 km

• M1: 36,502 km (0.087 R)
• M2: 549,623 km (0.037 R)

Asteroid Belt

Center: 2.41 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Terrestrial

Semi-Major Axis: 3.49 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.7

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 3.23 AU - 3.75 AU

Year: 2346 Days

Day: 31.7 Hours

Environment

Temp: -104 °C

Axial Tilt: 22.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 6.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 631.3

Radius: 13.6

Gravity: 3.41 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 4.93 AU - 7.21 AU

Year: 5382 Days

Day: 9.8 Hours

Environment

Temp: -157 °C

Axial Tilt: 44.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 39,376,141 km

• M1: 174,282 km (0.1 R)
• M2: 654,491 km (0.086 R)
• M3: 1,128,566 km (0.113 R)
• M4: 1,893,610 km (0.119 R)
• M5: 2,331,483 km (0.086 R)
• M6: 2,766,065 km (0.054 R)
• M7: 3,458,703 km (0.054 R)
• M8: 4,052,158 km (0.119 R)
• M9: 4,636,188 km (0.119 R)
• M10: 5,331,967 km (0.117 R)
• M11: 7,239,639 km (0.054 R)
• M12: 7,699,054 km (0.084 R)
• M13: 9,114,699 km (0.079 R)
• M14: 11,436,009 km (0.12 R)
• M15: 12,356,934 km (0.053 R)
• M16: 14,019,116 km (0.108 R)
• M17: 15,884,900 km (0.106 R)
• M18: 17,031,418 km (0.091 R)
• M19: 17,656,737 km (0.079 R)
• M20: 20,312,100 km (0.119 R)
• M21: 22,322,695 km (0.111 R)
• M22: 22,996,185 km (0.042 R)
• M23: 24,858,678 km (0.103 R)
• M24: 26,903,831 km (0.067 R)
• M25: 27,838,369 km (0.107 R)
• M26: 28,706,485 km (0.045 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 854.8

Radius: 13

Gravity: 5.06 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 6.94 AU - 8.68 AU

Year: 7855 Days

Day: 13 Hours

Environment

Temp: -162 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 39,376,141 km

• M1: 174,282 km (0.096 R)
• M2: 870,510 km (0.102 R)
• M3: 1,285,345 km (0.049 R)
• M4: 1,763,460 km (0.117 R)
• M5: 2,601,657 km (0.079 R)
• M6: 3,112,683 km (0.114 R)
• M7: 4,366,911 km (0.113 R)
• M8: 4,942,115 km (0.059 R)
• M9: 6,210,406 km (0.071 R)
• M10: 6,789,499 km (0.079 R)
• M11: 10,194,945 km (0.078 R)
• M12: 11,528,760 km (0.064 R)
• M13: 25,461,857 km (0.061 R)
• M14: 34,134,793 km (0.03 R)
• M15: 40,981,589 km (0.115 R)
• M16: 42,890,757 km (0.098 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 258.4

Radius: 6.8

Gravity: 5.59 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 11.66 AU - 18.98 AU

Year: 21580 Days

Day: 19.5 Hours

Environment

Temp: -196 °C

Axial Tilt: 41.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 39,376,141 km

• M1: 84,672 km (0.08 R)
• M2: 312,360 km (0.058 R)
• M3: 574,905 km (0.102 R)
• M4: 873,053 km (0.047 R)
• M5: 1,099,694 km (0.095 R)
• M6: 1,582,297 km (0.101 R)
• M7: 2,668,377 km (0.049 R)
• M8: 3,380,313 km (0.086 R)
• M9: 3,836,437 km (0.101 R)
• M10: 4,272,366 km (0.115 R)
• M11: 5,488,895 km (0.052 R)
• M12: 8,158,320 km (0.119 R)
• M13: 10,612,024 km (0.093 R)
• M14: 11,121,255 km (0.097 R)
• M15: 12,006,127 km (0.105 R)
• M16: 12,621,572 km (0.091 R)
• M17: 17,610,512 km (0.054 R)
• M18: 19,056,824 km (0.096 R)
• M19: 19,893,674 km (0.105 R)
• M20: 27,491,152 km (0.115 R)
• M21: 31,927,477 km (0.098 R)
• M22: 32,987,527 km (0.1 R)
• M23: 36,946,785 km (0.105 R)
• M24: 39,575,668 km (0.057 R)
• M25: 41,073,442 km (0.075 R)
• M26: 43,461,921 km (0.109 R)
• M27: 45,349,847 km (0.096 R)
• M28: 46,538,252 km (0.117 R)

Planet 9 - Ice Giant

Semi-Major Axis: 16.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 62.5

Radius: 6.2

Gravity: 1.63 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 13.36 AU - 20.12 AU

Year: 24649 Days

Day: 24.1 Hours

Environment

Temp: -195 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 39,376,141 km

• M1: 77,043 km (0.076 R)
• M2: 676,482 km (0.097 R)
• M3: 1,096,253 km (0.087 R)
• M4: 2,035,578 km (0.08 R)
• M5: 2,845,501 km (0.077 R)
• M6: 3,803,376 km (0.072 R)
• M7: 6,265,308 km (0.103 R)
• M8: 11,686,436 km (0.045 R)
• M9: 13,269,930 km (0.076 R)
• M10: 13,556,709 km (0.042 R)
• M11: 16,458,159 km (0.086 R)
• M12: 20,198,256 km (0.106 R)
• M13: 22,792,283 km (0.053 R)
• M14: 31,180,385 km (0.051 R)
• M15: 37,748,629 km (0.067 R)
• M16: 38,208,942 km (0.076 R)

Kuiper Belt

Range: 30.5 - 46.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 347 - 18,548 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit