🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.67

Radius: 1.23

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 0.51 AU - 0.63 AU

Year: 160 Days

Day: 19.2 Hours

Environment

Temp: 142 °C

Axial Tilt: 12 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.14 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.04

Radius: 1.33

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 1.13 AU - 1.15 AU

Year: 454 Days

Day: 16 Hours

Environment

Temp: -12 °C

Axial Tilt: 108 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.27 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.82

Radius: 1.27

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 1.02 AU - 1.52 AU

Year: 534 Days

Day: 18.2 Hours

Environment

Temp: -22 °C

Axial Tilt: 46.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 109,596,142 km

• M1: 687,253 km (0.101 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.98

Radius: 1.31

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 1.07 AU - 1.59 AU

Year: 572 Days

Day: 46.8 Hours

Environment

Temp: -30 °C

Axial Tilt: 9.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.52

Radius: 1.45

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 2 AU - 3.26 AU

Year: 1590 Days

Day: 18.2 Hours

Environment

Temp: -92 °C

Axial Tilt: 1.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.67 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 10.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 127.6

Radius: 13.4

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 9.13 AU - 12.27 AU

Year: 13048 Days

Day: 13.2 Hours

Environment

Temp: -173 °C

Axial Tilt: 47.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 109,596,142 km

• M1: 173,982 km (0.114 R)
• M2: 644,916 km (0.113 R)
• M3: 1,735,036 km (0.059 R)
• M4: 2,263,565 km (0.064 R)
• M5: 7,332,390 km (0.088 R)
• M6: 14,498,726 km (0.106 R)
• M7: 17,641,927 km (0.099 R)
• M8: 21,507,536 km (0.07 R)
• M9: 24,997,505 km (0.092 R)
• M10: 25,904,966 km (0.104 R)
• M11: 32,105,049 km (0.105 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 603.1

Radius: 4.4

Gravity: 31.15 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 13.39 AU - 16.83 AU

Year: 21895 Days

Day: 22.2 Hours

Environment

Temp: -197 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 109,596,142 km

• M1: 55,202 km (0.041 R)
• M2: 300,542 km (0.12 R)
• M3: 673,938 km (0.062 R)
• M4: 1,323,193 km (0.09 R)
• M5: 1,612,515 km (0.094 R)
• M6: 1,884,634 km (0.104 R)
• M7: 2,042,011 km (0.034 R)
• M8: 3,317,034 km (0.111 R)
• M9: 3,547,265 km (0.052 R)
• M10: 3,788,117 km (0.042 R)
• M11: 5,955,192 km (0.049 R)
• M12: 6,426,575 km (0.039 R)
• M13: 6,830,190 km (0.09 R)
• M14: 8,403,361 km (0.1 R)
• M15: 10,202,874 km (0.085 R)
• M16: 11,579,174 km (0.112 R)
• M17: 13,074,704 km (0.076 R)
• M18: 14,090,773 km (0.108 R)
• M19: 23,756,142 km (0.115 R)
• M20: 25,929,201 km (0.114 R)
• M21: 28,231,362 km (0.118 R)
• M22: 30,666,068 km (0.09 R)
• M23: 31,550,191 km (0.09 R)
• M24: 35,257,226 km (0.061 R)
• M25: 36,648,337 km (0.089 R)
• M26: 37,643,761 km (0.056 R)
• M27: 39,688,315 km (0.118 R)
• M28: 52,987,117 km (0.11 R)
• M29: 53,348,396 km (0.106 R)
• M30: 54,994,720 km (0.054 R)
• M31: 59,940,276 km (0.104 R)
• M32: 61,122,100 km (0.097 R)
• M33: 62,118,870 km (0.084 R)
• M34: 62,520,541 km (0.057 R)
• M35: 62,924,006 km (0.111 R)
• M36: 70,922,855 km (0.111 R)
• M37: 72,023,296 km (0.083 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 933.6

Radius: 7.7

Gravity: 15.75 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 18.02 AU - 18.94 AU

Year: 29615 Days

Day: 20.5 Hours

Environment

Temp: -197 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 109,596,142 km

• M1: 98,136 km (0.069 R)
• M2: 402,717 km (0.082 R)
• M3: 789,129 km (0.103 R)
• M4: 1,066,932 km (0.034 R)
• M5: 1,310,029 km (0.101 R)
• M6: 1,647,671 km (0.079 R)
• M7: 2,630,529 km (0.097 R)
• M8: 5,916,446 km (0.071 R)
• M9: 8,741,153 km (0.074 R)
• M10: 9,109,014 km (0.111 R)
• M11: 11,831,097 km (0.115 R)
• M12: 13,701,370 km (0.096 R)
• M13: 14,450,855 km (0.107 R)
• M14: 18,916,651 km (0.12 R)
• M15: 27,086,789 km (0.107 R)
• M16: 27,476,043 km (0.066 R)
• M17: 38,792,523 km (0.086 R)
• M18: 46,291,266 km (0.089 R)
• M19: 54,701,060 km (0.118 R)
• M20: 57,430,922 km (0.048 R)
• M21: 101,587,276 km (0.049 R)
• M22: 101,899,786 km (0.064 R)
• M23: 108,613,589 km (0.083 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 487 - 15,288 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit