🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.69

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 0.62 AU - 0.82 AU

Year: 227 Days

Day: 35.6 Hours

Environment

Temp: 122 °C

Axial Tilt: 43.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 48,909,983 km

• M1: 77,193 km (0.081 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.92 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.59

Radius: 0.81

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 0.78 AU - 1.06 AU

Year: 327 Days

Day: 37.5 Hours

Environment

Temp: 20 °C

Axial Tilt: 3.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 48,909,983 km

• M1: 142,417 km (0.094 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.98 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.32

Radius: 1.12

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 0.85 AU - 1.11 AU

Year: 360 Days

Day: 30.4 Hours

Environment

Temp: 16 °C

Axial Tilt: 43 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 48,909,983 km

• M1: 36,203 km (0.042 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.14 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 5

Radius: 1.9

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 0.97 AU - 1.31 AU

Year: 451 Days

Day: 43.6 Hours

Environment

Temp: 15 °C

Axial Tilt: 24.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.91

Radius: 1.3

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 1.38 AU - 2.3 AU

Year: 926 Days

Day: 15.7 Hours

Environment

Temp: -64 °C

Axial Tilt: 11 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.15

Radius: 1.58

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 2.18 AU - 3.08 AU

Year: 1582 Days

Day: 33.8 Hours

Environment

Temp: -99 °C

Axial Tilt: 5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.43 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Terrestrial

Semi-Major Axis: 4.23 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.92

Radius: 1.54

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 3.41 AU - 5.05 AU

Year: 3226 Days

Day: 34.9 Hours

Environment

Temp: -129 °C

Axial Tilt: 39.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.91 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 5.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 796.4

Radius: 11.1

Gravity: 6.46 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 5 AU - 6.18 AU

Year: 4901 Days

Day: 13.4 Hours

Environment

Temp: -157 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 48,909,983 km

• M1: 138,079 km (0.118 R)
• M2: 563,834 km (0.075 R)
• M3: 1,617,901 km (0.112 R)
• M4: 2,335,522 km (0.07 R)
• M5: 2,924,190 km (0.109 R)
• M6: 3,523,628 km (0.105 R)
• M7: 3,921,559 km (0.088 R)
• M8: 4,524,288 km (0.083 R)
• M9: 4,888,110 km (0.071 R)
• M10: 5,499,667 km (0.078 R)
• M11: 6,842,457 km (0.083 R)
• M12: 7,572,495 km (0.104 R)
• M13: 8,087,710 km (0.094 R)
• M14: 9,270,430 km (0.114 R)
• M15: 9,731,790 km (0.111 R)
• M16: 10,296,821 km (0.06 R)
• M17: 11,540,429 km (0.048 R)
• M18: 12,524,334 km (0.101 R)
• M19: 16,350,449 km (0.063 R)
• M20: 16,839,185 km (0.116 R)
• M21: 17,910,306 km (0.101 R)
• M22: 18,759,573 km (0.119 R)
• M23: 26,130,410 km (0.12 R)
• M24: 26,630,815 km (0.088 R)
• M25: 28,257,691 km (0.104 R)
• M26: 30,131,704 km (0.057 R)

Planet 9 - Ice Giant

Semi-Major Axis: 12.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 223.2

Radius: 7.8

Gravity: 3.67 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 12.26 AU - 13.28 AU

Year: 16924 Days

Day: 24.5 Hours

Environment

Temp: -195 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 48,909,983 km

• M1: 117,584 km (0.109 R)
• M2: 402,717 km (0.093 R)
• M3: 801,396 km (0.054 R)
• M4: 1,202,019 km (0.078 R)
• M5: 2,066,994 km (0.106 R)
• M6: 4,796,856 km (0.085 R)
• M7: 5,905,077 km (0.1 R)
• M8: 6,594,125 km (0.082 R)
• M9: 7,175,013 km (0.099 R)
• M10: 7,831,748 km (0.118 R)
• M11: 9,993,138 km (0.064 R)
• M12: 10,970,161 km (0.067 R)
• M13: 11,509,163 km (0.057 R)
• M14: 11,785,320 km (0.054 R)
• M15: 12,581,929 km (0.054 R)
• M16: 17,183,260 km (0.036 R)
• M17: 20,054,791 km (0.077 R)
• M18: 21,271,471 km (0.118 R)
• M19: 21,940,024 km (0.111 R)
• M20: 23,231,353 km (0.113 R)
• M21: 27,018,423 km (0.065 R)
• M22: 29,622,024 km (0.118 R)
• M23: 30,772,282 km (0.081 R)
• M24: 32,388,238 km (0.063 R)
• M25: 33,161,510 km (0.061 R)
• M26: 35,788,598 km (0.108 R)
• M27: 36,614,976 km (0.118 R)
• M28: 40,682,692 km (0.031 R)
• M29: 42,627,464 km (0.077 R)

Planet 10 - Ice Giant

Semi-Major Axis: 17.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 94.3

Radius: 6.5

Gravity: 2.23 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 13.36 AU - 22.18 AU

Year: 27780 Days

Day: 15.6 Hours

Environment

Temp: -199 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 48,909,983 km

• M1: 81,381 km (0.108 R)
• M2: 572,960 km (0.054 R)
• M3: 853,007 km (0.118 R)
• M4: 1,129,913 km (0.099 R)
• M5: 2,554,234 km (0.109 R)
• M6: 6,257,978 km (0.048 R)
• M7: 6,673,112 km (0.119 R)
• M8: 9,806,440 km (0.098 R)
• M9: 10,160,388 km (0.081 R)
• M10: 13,802,348 km (0.107 R)
• M11: 17,854,356 km (0.117 R)
• M12: 28,000,682 km (0.114 R)
• M13: 36,034,387 km (0.105 R)
• M14: 39,483,665 km (0.11 R)
• M15: 40,379,158 km (0.062 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 518 - 11,854 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit