🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.74

Radius: 1.5

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 0.53 AU - 0.77 AU

Year: 192 Days

Day: 41.9 Hours

Environment

Temp: 213 °C

Axial Tilt: 26.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 48,437,794 km

• M1: 36,651 km (0.071 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.95 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.7

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.72 AU - 1.18 AU

Year: 340 Days

Day: 37.7 Hours

Environment

Temp: 29 °C

Axial Tilt: 41.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 0.98 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.74

Radius: 1.69

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 0.96 AU - 1 AU

Year: 356 Days

Day: 36 Hours

Environment

Temp: 27 °C

Axial Tilt: 7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 48,437,794 km

• M1: 175,478 km (0.075 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.65

Radius: 0.84

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 1.38 AU - 1.96 AU

Year: 792 Days

Day: 44.3 Hours

Environment

Temp: -44 °C

Axial Tilt: 48 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.6

Radius: 0.82

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 2.99 AU - 4.21 AU

Year: 2507 Days

Day: 32.5 Hours

Environment

Temp: -125 °C

Axial Tilt: 39.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.35 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 7.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 121

Radius: 15

Gravity: 0.54 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 6.47 AU - 7.71 AU

Year: 6930 Days

Day: 14.5 Hours

Environment

Temp: -156 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 48,437,794 km

• M1: 186,549 km (0.084 R)
• M2: 943,514 km (0.088 R)
• M3: 1,755,381 km (0.032 R)
• M4: 2,733,751 km (0.057 R)
• M5: 3,241,935 km (0.036 R)
• M6: 4,809,272 km (0.073 R)
• M7: 15,052,239 km (0.097 R)
• M8: 17,195,228 km (0.091 R)
• M9: 19,062,509 km (0.112 R)
• M10: 20,812,205 km (0.078 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 756

Radius: 11.8

Gravity: 5.43 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 8.99 AU - 10.77 AU

Year: 11400 Days

Day: 10.7 Hours

Environment

Temp: -175 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 48,437,794 km

• M1: 146,756 km (0.034 R)
• M2: 528,380 km (0.064 R)
• M3: 1,019,809 km (0.069 R)
• M4: 2,014,485 km (0.075 R)
• M5: 2,458,192 km (0.081 R)
• M6: 2,899,656 km (0.074 R)
• M7: 3,344,560 km (0.101 R)
• M8: 4,140,869 km (0.035 R)
• M9: 4,553,759 km (0.108 R)
• M10: 4,994,026 km (0.119 R)
• M11: 6,259,025 km (0.066 R)
• M12: 7,131,031 km (0.084 R)
• M13: 11,617,471 km (0.088 R)
• M14: 18,322,598 km (0.093 R)
• M15: 19,441,739 km (0.072 R)
• M16: 22,438,185 km (0.11 R)
• M17: 23,999,238 km (0.11 R)
• M18: 27,030,390 km (0.114 R)
• M19: 30,198,425 km (0.112 R)
• M20: 32,558,032 km (0.113 R)
• M21: 33,841,881 km (0.112 R)
• M22: 44,212,753 km (0.115 R)
• M23: 46,660,324 km (0.096 R)

Planet 8 - Gas Giant

Semi-Major Axis: 10.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 513.7

Radius: 10.1

Gravity: 5.04 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 8.75 AU - 11.39 AU

Year: 11731 Days

Day: 12.1 Hours

Environment

Temp: -181 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 48,437,794 km

• M1: 132,843 km (0.102 R)
• M2: 472,879 km (0.054 R)
• M3: 1,163,572 km (0.105 R)
• M4: 1,693,897 km (0.094 R)
• M5: 2,214,796 km (0.102 R)
• M6: 2,861,209 km (0.111 R)
• M7: 3,553,697 km (0.114 R)
• M8: 4,020,592 km (0.104 R)
• M9: 4,676,429 km (0.052 R)
• M10: 6,957,947 km (0.113 R)
• M11: 7,440,998 km (0.093 R)
• M12: 13,577,952 km (0.064 R)
• M13: 14,333,271 km (0.11 R)
• M14: 15,450,917 km (0.027 R)
• M15: 17,344,078 km (0.055 R)
• M16: 17,784,943 km (0.11 R)
• M17: 22,267,793 km (0.031 R)
• M18: 22,876,357 km (0.116 R)
• M19: 25,234,318 km (0.071 R)
• M20: 25,991,284 km (0.078 R)
• M21: 26,375,451 km (0.108 R)
• M22: 26,763,358 km (0.063 R)
• M23: 38,860,590 km (0.107 R)
• M24: 40,124,991 km (0.051 R)
• M25: 43,271,184 km (0.109 R)
• M26: 43,946,618 km (0.116 R)
• M27: 46,015,557 km (0.083 R)
• M28: 47,430,304 km (0.079 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 261 - 10,377 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit