🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.01 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.05

Radius: 1.56

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 0.96 AU - 1.06 AU

Year: 378 Days

Day: 27.6 Hours

Environment

Temp: 29 °C

Axial Tilt: 47.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.93

Radius: 0.97

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 1.96 AU - 2.68 AU

Year: 1317 Days

Day: 12.2 Hours

Environment

Temp: -96 °C

Axial Tilt: 4.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.64 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 4.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 329.8

Radius: 10.7

Gravity: 2.88 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 4.22 AU - 5.68 AU

Year: 4105 Days

Day: 13.3 Hours

Environment

Temp: -148 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 102,190,092 km

• M1: 142,417 km (0.025 R)
• M2: 483,052 km (0.103 R)
• M3: 1,901,539 km (0.091 R)
• M4: 2,456,397 km (0.075 R)
• M5: 2,884,247 km (0.074 R)
• M6: 5,070,919 km (0.093 R)
• M7: 5,437,434 km (0.114 R)
• M8: 6,007,252 km (0.037 R)
• M9: 8,831,660 km (0.093 R)
• M10: 10,183,725 km (0.081 R)
• M11: 14,280,314 km (0.069 R)
• M12: 15,416,210 km (0.057 R)

Planet 4 - Gas Giant

Semi-Major Axis: 6.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 833.9

Radius: 12.7

Gravity: 5.17 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 5.65 AU - 6.93 AU

Year: 5881 Days

Day: 13.1 Hours

Environment

Temp: -151 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 102,190,092 km

• M1: 158,275 km (0.043 R)
• M2: 570,865 km (0.035 R)
• M3: 1,012,329 km (0.104 R)
• M4: 1,613,862 km (0.073 R)
• M5: 3,549,359 km (0.077 R)
• M6: 4,138,176 km (0.102 R)
• M7: 8,477,562 km (0.077 R)
• M8: 10,867,238 km (0.081 R)
• M9: 12,584,472 km (0.066 R)
• M10: 19,591,487 km (0.096 R)
• M11: 20,314,792 km (0.037 R)
• M12: 21,357,190 km (0.083 R)
• M13: 22,278,713 km (0.097 R)
• M14: 23,548,500 km (0.088 R)
• M15: 24,949,933 km (0.117 R)
• M16: 26,756,926 km (0.097 R)
• M17: 27,199,735 km (0.108 R)
• M18: 28,009,209 km (0.113 R)
• M19: 34,862,587 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 11.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 209.9

Radius: 9.9

Gravity: 2.14 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 10.55 AU - 12.47 AU

Year: 14557 Days

Day: 10.9 Hours

Environment

Temp: -176 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 102,190,092 km

• M1: 126,410 km (0.088 R)
• M2: 479,611 km (0.111 R)
• M3: 801,246 km (0.08 R)
• M4: 1,229,395 km (0.077 R)
• M5: 1,735,335 km (0.109 R)
• M6: 3,211,118 km (0.12 R)
• M7: 3,529,463 km (0.093 R)
• M8: 5,051,770 km (0.111 R)
• M9: 5,389,712 km (0.03 R)
• M10: 6,145,780 km (0.097 R)
• M11: 7,508,168 km (0.041 R)
• M12: 8,239,402 km (0.111 R)
• M13: 8,796,504 km (0.113 R)
• M14: 9,516,369 km (0.078 R)
• M15: 11,488,069 km (0.079 R)
• M16: 14,135,952 km (0.078 R)
• M17: 14,500,970 km (0.104 R)
• M18: 15,505,221 km (0.082 R)
• M19: 17,303,986 km (0.094 R)
• M20: 19,686,332 km (0.056 R)
• M21: 21,470,885 km (0.089 R)
• M22: 24,216,006 km (0.074 R)
• M23: 25,269,773 km (0.05 R)
• M24: 26,262,205 km (0.119 R)
• M25: 27,280,518 km (0.112 R)
• M26: 27,657,206 km (0.094 R)
• M27: 32,348,146 km (0.093 R)
• M28: 34,936,339 km (0.112 R)
• M29: 37,196,314 km (0.087 R)
• M30: 37,659,768 km (0.066 R)

Planet 6 - Ice Giant

Semi-Major Axis: 13.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 64.8

Radius: 8

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 10.36 AU - 17.2 AU

Year: 19069 Days

Day: 24.5 Hours

Environment

Temp: -197 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 102,190,092 km

• M1: 99,483 km (0.119 R)
• M2: 432,338 km (0.039 R)
• M3: 2,291,091 km (0.065 R)
• M4: 2,913,269 km (0.086 R)
• M5: 6,872,377 km (0.111 R)
• M6: 7,188,626 km (0.072 R)
• M7: 14,740,925 km (0.061 R)
• M8: 15,929,181 km (0.096 R)
• M9: 19,177,101 km (0.07 R)
• M10: 25,835,702 km (0.118 R)
• M11: 27,470,657 km (0.101 R)

Planet 7 - Ice Giant

Semi-Major Axis: 19.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 655.2

Radius: 3

Gravity: 72.8 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 18.28 AU - 20.5 AU

Year: 31829 Days

Day: 23 Hours

Environment

Temp: -203 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 102,190,092 km

• M1: 37,399 km (0.096 R)
• M2: 716,125 km (0.082 R)
• M3: 1,362,986 km (0.097 R)
• M4: 2,795,386 km (0.101 R)
• M5: 4,017,002 km (0.06 R)
• M6: 5,253,728 km (0.067 R)
• M7: 6,624,194 km (0.117 R)
• M8: 7,768,917 km (0.081 R)
• M9: 10,643,141 km (0.116 R)
• M10: 10,779,125 km (0.108 R)
• M11: 12,806,475 km (0.03 R)
• M12: 17,032,914 km (0.106 R)
• M13: 22,323,742 km (0.046 R)
• M14: 24,619,471 km (0.064 R)
• M15: 38,324,731 km (0.033 R)
• M16: 41,768,623 km (0.099 R)
• M17: 44,175,653 km (0.057 R)
• M18: 45,950,332 km (0.053 R)
• M19: 58,658,372 km (0.062 R)
• M20: 65,922,994 km (0.043 R)
• M21: 72,538,512 km (0.083 R)
• M22: 85,426,518 km (0.118 R)
• M23: 102,190,156 km (0.089 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: 289 - 12,942 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit