🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.33

Radius: 1.12

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.51 AU - 0.67 AU

Year: 171 Days

Day: 37.6 Hours

Environment

Temp: 212 °C

Axial Tilt: 11.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.88 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.73

Radius: 1.25

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 0.71 AU - 1.05 AU

Year: 311 Days

Day: 45.3 Hours

Environment

Temp: 47 °C

Axial Tilt: 11.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 51,056,604 km

• M1: 33,809 km (0.102 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.91 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.37

Radius: 1.63

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 0.87 AU - 0.95 AU

Year: 327 Days

Day: 40 Hours

Environment

Temp: 13 °C

Axial Tilt: 9.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 51,056,604 km

• M1: 41,139 km (0.052 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.47

Radius: 1.64

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 1.32 AU - 1.52 AU

Year: 637 Days

Day: 32.8 Hours

Environment

Temp: -37 °C

Axial Tilt: 5.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 51,056,604 km

• M1: 125,513 km (0.079 R)
• M2: 983,606 km (0.118 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.32

Radius: 1.12

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 1.45 AU - 1.71 AU

Year: 748 Days

Day: 14.5 Hours

Environment

Temp: -45 °C

Axial Tilt: 47.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.05 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 4.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 716.6

Radius: 13.8

Gravity: 3.76 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 3.67 AU - 5.35 AU

Year: 3608 Days

Day: 9.1 Hours

Environment

Temp: -132 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 51,056,604 km

• M1: 171,589 km (0.089 R)
• M2: 658,979 km (0.118 R)
• M3: 1,515,426 km (0.087 R)
• M4: 2,064,899 km (0.089 R)
• M5: 2,555,431 km (0.073 R)
• M6: 3,555,792 km (0.104 R)
• M7: 4,224,045 km (0.052 R)
• M8: 5,099,791 km (0.092 R)
• M9: 5,541,255 km (0.106 R)
• M10: 6,651,869 km (0.095 R)
• M11: 7,504,428 km (0.079 R)
• M12: 7,974,464 km (0.108 R)
• M13: 12,200,454 km (0.106 R)
• M14: 13,186,604 km (0.115 R)
• M15: 14,378,151 km (0.05 R)
• M16: 15,640,308 km (0.095 R)
• M17: 16,634,386 km (0.087 R)
• M18: 19,934,066 km (0.091 R)
• M19: 20,838,983 km (0.114 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 223.3

Radius: 11

Gravity: 1.85 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 4.47 AU - 5.13 AU

Year: 3962 Days

Day: 5.2 Hours

Environment

Temp: -150 °C

Axial Tilt: 174.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 51,056,604 km

• M1: 136,882 km (0.086 R)
• M2: 492,177 km (0.105 R)
• M3: 1,301,202 km (0.102 R)
• M4: 1,822,102 km (0.12 R)
• M5: 2,176,350 km (0.068 R)
• M6: 2,840,714 km (0.106 R)
• M7: 3,389,738 km (0.042 R)
• M8: 4,284,333 km (0.093 R)
• M9: 4,853,105 km (0.11 R)
• M10: 5,519,264 km (0.103 R)
• M11: 5,912,407 km (0.106 R)
• M12: 7,119,512 km (0.107 R)
• M13: 7,645,947 km (0.116 R)
• M14: 8,613,397 km (0.107 R)
• M15: 10,052,079 km (0.117 R)
• M16: 12,459,707 km (0.082 R)
• M17: 13,619,540 km (0.104 R)
• M18: 14,524,158 km (0.105 R)
• M19: 17,426,506 km (0.051 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 154.4

Radius: 11.6

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 4.97 AU - 5.31 AU

Year: 4390 Days

Day: 14.1 Hours

Environment

Temp: -139 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 51,056,604 km

• M1: 223,499 km (0.107 R)
• M2: 990,488 km (0.075 R)
• M3: 1,606,532 km (0.115 R)
• M4: 2,452,807 km (0.065 R)
• M5: 3,254,352 km (0.094 R)
• M6: 3,734,711 km (0.092 R)
• M7: 4,503,046 km (0.114 R)
• M8: 4,990,884 km (0.105 R)
• M9: 5,420,230 km (0.049 R)
• M10: 6,225,067 km (0.109 R)
• M11: 7,564,865 km (0.106 R)
• M12: 8,633,592 km (0.095 R)
• M13: 9,870,019 km (0.098 R)
• M14: 10,881,600 km (0.071 R)
• M15: 11,763,180 km (0.054 R)
• M16: 12,650,445 km (0.118 R)
• M17: 15,109,983 km (0.056 R)
• M18: 15,485,624 km (0.118 R)
• M19: 16,060,827 km (0.098 R)

Planet 9 - Ice Giant

Semi-Major Axis: 16.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 123.9

Radius: 5.7

Gravity: 3.81 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 15.65 AU - 17.87 AU

Year: 25849 Days

Day: 15.1 Hours

Environment

Temp: -203 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 51,056,604 km

• M1: 70,909 km (0.102 R)
• M2: 299,944 km (0.077 R)
• M3: 563,535 km (0.044 R)
• M4: 741,108 km (0.094 R)
• M5: 1,202,168 km (0.055 R)
• M6: 1,461,272 km (0.111 R)
• M7: 1,725,911 km (0.065 R)
• M8: 2,591,185 km (0.113 R)
• M9: 3,407,989 km (0.097 R)
• M10: 4,267,728 km (0.11 R)
• M11: 4,533,563 km (0.094 R)
• M12: 6,032,684 km (0.111 R)
• M13: 8,143,958 km (0.046 R)
• M14: 11,305,560 km (0.114 R)
• M15: 17,186,851 km (0.114 R)
• M16: 20,564,471 km (0.099 R)
• M17: 20,899,421 km (0.096 R)
• M18: 24,452,819 km (0.07 R)
• M19: 26,470,296 km (0.075 R)
• M20: 27,773,443 km (0.042 R)
• M21: 29,329,411 km (0.059 R)
• M22: 32,727,377 km (0.117 R)
• M23: 41,746,632 km (0.069 R)
• M24: 45,604,013 km (0.105 R)
• M25: 46,316,997 km (0.045 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 244 - 13,351 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit