🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.17

Radius: 1.06

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 0.54 AU - 0.72 AU

Year: 193 Days

Day: 12.6 Hours

Environment

Temp: 129 °C

Axial Tilt: 35.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 45,063,404 km

• M1: 293,810 km (0.092 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.03 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.47

Radius: 1.64

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 0.78 AU - 1.28 AU

Year: 402 Days

Day: 32.8 Hours

Environment

Temp: 7 °C

Axial Tilt: 36.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.28

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 0.99 AU - 1.45 AU

Year: 519 Days

Day: 26 Hours

Environment

Temp: -25 °C

Axial Tilt: 9.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 45,063,404 km

• M1: 806,931 km (0.053 R)
• M2: 947,553 km (0.063 R)

Asteroid Belt

Center: 2.16 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Terrestrial

Semi-Major Axis: 3.1 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.34

Radius: 1.12

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 2.43 AU - 3.77 AU

Year: 2101 Days

Day: 40.2 Hours

Environment

Temp: -115 °C

Axial Tilt: 36.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 45,063,404 km

• M1: 564,433 km (0.094 R)

Asteroid Belt

Center: 4.35 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 5.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 164.5

Radius: 14.9

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 4.73 AU - 6.47 AU

Year: 5102 Days

Day: 5.1 Hours

Environment

Temp: -160 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 45,063,404 km

• M1: 185,352 km (0.077 R)
• M2: 1,064,239 km (0.058 R)
• M3: 1,641,687 km (0.097 R)
• M4: 2,334,475 km (0.105 R)
• M5: 2,911,324 km (0.074 R)
• M6: 4,718,616 km (0.118 R)
• M7: 6,619,107 km (0.111 R)
• M8: 7,604,509 km (0.093 R)
• M9: 8,487,585 km (0.082 R)
• M10: 10,345,740 km (0.053 R)
• M11: 10,840,460 km (0.063 R)
• M12: 11,310,945 km (0.064 R)
• M13: 12,167,543 km (0.087 R)
• M14: 14,056,216 km (0.114 R)
• M15: 14,663,882 km (0.075 R)
• M16: 17,861,537 km (0.115 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 518.1

Radius: 10.8

Gravity: 4.44 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 6.56 AU - 7.68 AU

Year: 7315 Days

Day: 14.5 Hours

Environment

Temp: -171 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 45,063,404 km

• M1: 134,488 km (0.068 R)
• M2: 490,232 km (0.114 R)
• M3: 1,176,438 km (0.097 R)
• M4: 1,782,159 km (0.082 R)
• M5: 2,480,632 km (0.097 R)
• M6: 3,061,670 km (0.106 R)
• M7: 3,439,405 km (0.048 R)
• M8: 4,340,732 km (0.098 R)
• M9: 5,158,135 km (0.059 R)
• M10: 6,640,949 km (0.104 R)
• M11: 7,351,389 km (0.118 R)
• M12: 8,111,945 km (0.075 R)
• M13: 9,135,194 km (0.11 R)
• M14: 9,923,874 km (0.09 R)
• M15: 10,288,594 km (0.113 R)
• M16: 11,387,689 km (0.092 R)
• M17: 11,787,714 km (0.112 R)
• M18: 12,405,403 km (0.032 R)
• M19: 13,593,959 km (0.058 R)
• M20: 15,516,740 km (0.034 R)
• M21: 16,196,213 km (0.068 R)
• M22: 20,402,756 km (0.055 R)
• M23: 20,770,916 km (0.112 R)
• M24: 28,179,003 km (0.109 R)
• M25: 28,727,728 km (0.115 R)
• M26: 31,775,336 km (0.108 R)
• M27: 32,170,723 km (0.039 R)
• M28: 32,770,162 km (0.053 R)
• M29: 34,927,064 km (0.06 R)

Planet 7 - Gas Giant

Semi-Major Axis: 11.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 334.3

Radius: 10.9

Gravity: 2.81 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 10.14 AU - 12.12 AU

Year: 14296 Days

Day: 7.7 Hours

Environment

Temp: -193 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 45,063,404 km

• M1: 135,536 km (0.071 R)
• M2: 546,930 km (0.107 R)
• M3: 1,183,918 km (0.05 R)
• M4: 1,759,869 km (0.026 R)
• M5: 3,879,671 km (0.089 R)
• M6: 5,157,237 km (0.062 R)
• M7: 5,617,550 km (0.097 R)
• M8: 8,886,862 km (0.099 R)
• M9: 9,261,754 km (0.087 R)
• M10: 13,190,044 km (0.116 R)
• M11: 17,227,840 km (0.095 R)
• M12: 19,020,472 km (0.079 R)
• M13: 19,961,891 km (0.088 R)
• M14: 21,852,808 km (0.112 R)
• M15: 47,605,334 km (0.1 R)

Planet 8 - Ice Giant

Semi-Major Axis: 16.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 91.5

Radius: 5.7

Gravity: 2.82 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 14.31 AU - 17.95 AU

Year: 24941 Days

Day: 16.7 Hours

Environment

Temp: -201 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 45,063,404 km

• M1: 71,957 km (0.073 R)
• M2: 414,835 km (0.119 R)
• M3: 662,270 km (0.066 R)
• M4: 908,209 km (0.099 R)
• M5: 5,046,684 km (0.097 R)
• M6: 6,109,727 km (0.101 R)
• M7: 8,535,456 km (0.057 R)
• M8: 10,587,640 km (0.114 R)
• M9: 14,343,145 km (0.09 R)
• M10: 17,501,904 km (0.117 R)
• M11: 18,976,340 km (0.098 R)
• M12: 23,367,187 km (0.092 R)
• M13: 24,516,997 km (0.089 R)
• M14: 25,983,505 km (0.075 R)
• M15: 30,836,609 km (0.098 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 239 - 18,394 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit