🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.18

Radius: 0.5

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 0.62 AU - 0.82 AU

Year: 259 Days

Day: 20.4 Hours

Environment

Temp: 14 °C

Axial Tilt: 11.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.5

Radius: 1.65

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 1.35 AU - 1.79 AU

Year: 835 Days

Day: 43 Hours

Environment

Temp: -88 °C

Axial Tilt: 47.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.22

Radius: 1.38

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 1.41 AU - 1.75 AU

Year: 843 Days

Day: 23.3 Hours

Environment

Temp: -89 °C

Axial Tilt: 39.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.88

Radius: 1.53

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 2.08 AU - 2.16 AU

Year: 1311 Days

Day: 43.9 Hours

Environment

Temp: -120 °C

Axial Tilt: 32.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.7 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 3.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 969.5

Radius: 14.4

Gravity: 4.68 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 2.77 AU - 3.77 AU

Year: 2511 Days

Day: 7.7 Hours

Environment

Temp: -149 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 35,406,588 km

• M1: 179,069 km (0.098 R)
• M2: 781,649 km (0.054 R)
• M3: 1,558,810 km (0.11 R)
• M4: 2,127,431 km (0.103 R)
• M5: 2,647,434 km (0.105 R)
• M6: 3,655,274 km (0.095 R)
• M7: 4,301,687 km (0.056 R)
• M8: 4,929,250 km (0.081 R)
• M9: 5,642,981 km (0.117 R)
• M10: 7,748,721 km (0.08 R)
• M11: 8,578,092 km (0.063 R)
• M12: 9,392,502 km (0.111 R)
• M13: 10,219,479 km (0.039 R)
• M14: 10,931,565 km (0.105 R)
• M15: 12,767,580 km (0.086 R)
• M16: 13,500,759 km (0.067 R)
• M17: 14,020,911 km (0.052 R)
• M18: 17,373,399 km (0.101 R)
• M19: 19,443,834 km (0.12 R)
• M20: 20,600,674 km (0.071 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 851.9

Radius: 13.9

Gravity: 4.41 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 8.61 AU - 10.11 AU

Year: 12159 Days

Day: 11.5 Hours

Environment

Temp: -191 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 35,406,588 km

• M1: 172,935 km (0.086 R)
• M2: 669,899 km (0.091 R)
• M3: 1,513,930 km (0.086 R)
• M4: 2,276,880 km (0.105 R)
• M5: 2,973,407 km (0.05 R)
• M6: 3,540,084 km (0.104 R)
• M7: 7,317,131 km (0.115 R)
• M8: 11,774,400 km (0.075 R)
• M9: 12,443,551 km (0.103 R)
• M10: 17,546,484 km (0.063 R)
• M11: 34,136,140 km (0.082 R)
• M12: 41,866,161 km (0.08 R)
• M13: 53,278,085 km (0.085 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 828.9

Radius: 12

Gravity: 5.76 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 9.37 AU - 9.69 AU

Year: 12491 Days

Day: 10.2 Hours

Environment

Temp: -189 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 35,406,588 km

• M1: 149,299 km (0.057 R)
• M2: 614,997 km (0.119 R)
• M3: 1,325,437 km (0.091 R)
• M4: 1,793,080 km (0.09 R)
• M5: 2,390,873 km (0.077 R)
• M6: 3,791,259 km (0.054 R)
• M7: 4,750,032 km (0.1 R)
• M8: 5,534,224 km (0.106 R)
• M9: 7,230,215 km (0.071 R)
• M10: 7,714,762 km (0.045 R)
• M11: 9,097,346 km (0.115 R)
• M12: 10,088,880 km (0.1 R)
• M13: 12,597,337 km (0.117 R)
• M14: 17,685,161 km (0.102 R)
• M15: 19,226,767 km (0.115 R)
• M16: 20,332,146 km (0.098 R)
• M17: 22,114,604 km (0.117 R)
• M18: 24,781,934 km (0.104 R)
• M19: 26,398,938 km (0.113 R)
• M20: 28,954,668 km (0.057 R)
• M21: 31,322,653 km (0.04 R)
• M22: 32,494,453 km (0.059 R)
• M23: 36,826,657 km (0.084 R)
• M24: 43,951,555 km (0.091 R)
• M25: 44,828,498 km (0.101 R)
• M26: 46,016,006 km (0.103 R)
• M27: 48,608,687 km (0.108 R)
• M28: 50,337,440 km (0.119 R)
• M29: 55,259,808 km (0.096 R)
• M30: 56,796,926 km (0.092 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 56.9

Radius: 5

Gravity: 2.28 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 11.7 AU - 16.12 AU

Year: 22027 Days

Day: 15.1 Hours

Environment

Temp: -213 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 35,406,588 km

• M1: 62,233 km (0.077 R)
• M2: 438,471 km (0.113 R)
• M3: 1,055,114 km (0.067 R)
• M4: 1,309,430 km (0.118 R)
• M5: 3,570,153 km (0.091 R)
• M6: 6,369,578 km (0.068 R)
• M7: 8,526,630 km (0.045 R)
• M8: 9,994,335 km (0.039 R)
• M9: 10,456,293 km (0.096 R)
• M10: 20,861,722 km (0.101 R)
• M11: 27,674,260 km (0.071 R)
• M12: 31,137,600 km (0.064 R)
• M13: 34,460,917 km (0.057 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 261 - 11,581 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit