🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.71

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 0.67 AU - 0.79 AU

Year: 261 Days

Day: 34.9 Hours

Environment

Temp: 15 °C

Axial Tilt: 36.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 64,701,506 km

• M1: 99,632 km (0.063 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.71

Radius: 0.87

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 1.56 AU - 2.06 AU

Year: 1020 Days

Day: 44.2 Hours

Environment

Temp: -106 °C

Axial Tilt: 24.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 64,701,506 km

• M1: 245,789 km (0.117 R)
• M2: 406,457 km (0.112 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.38 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.38

Radius: 0.68

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 2.18 AU - 2.58 AU

Year: 1538 Days

Day: 30.2 Hours

Environment

Temp: -124 °C

Axial Tilt: 11.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 64,701,506 km

• M1: 31,116 km (0.112 R)

Asteroid Belt

Center: 3.95 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 429.3

Radius: 11.2

Gravity: 3.42 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 4.85 AU - 6.17 AU

Year: 5419 Days

Day: 5.5 Hours

Environment

Temp: -165 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 64,701,506 km

• M1: 139,276 km (0.106 R)
• M2: 491,279 km (0.097 R)
• M3: 849,866 km (0.112 R)
• M4: 1,233,883 km (0.102 R)
• M5: 2,092,126 km (0.118 R)
• M6: 2,660,897 km (0.114 R)
• M7: 3,291,602 km (0.086 R)
• M8: 5,215,730 km (0.085 R)
• M9: 5,682,026 km (0.042 R)
• M10: 6,793,539 km (0.095 R)
• M11: 9,011,477 km (0.052 R)
• M12: 10,137,649 km (0.057 R)
• M13: 11,131,129 km (0.088 R)
• M14: 11,999,694 km (0.062 R)
• M15: 12,378,625 km (0.097 R)
• M16: 15,761,482 km (0.108 R)
• M17: 21,330,263 km (0.118 R)
• M18: 22,240,416 km (0.064 R)
• M19: 25,669,349 km (0.113 R)
• M20: 26,062,043 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 429.3

Radius: 12.2

Gravity: 2.88 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 6.56 AU - 6.88 AU

Year: 7299 Days

Day: 6.4 Hours

Environment

Temp: -175 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 64,701,506 km

• M1: 152,590 km (0.071 R)
• M2: 760,705 km (0.113 R)
• M3: 1,396,197 km (0.104 R)
• M4: 2,350,631 km (0.083 R)
• M5: 2,783,418 km (0.029 R)
• M6: 3,249,116 km (0.044 R)
• M7: 4,996,419 km (0.032 R)
• M8: 7,159,305 km (0.062 R)
• M9: 9,624,678 km (0.091 R)
• M10: 12,250,719 km (0.091 R)
• M11: 12,870,054 km (0.109 R)
• M12: 13,456,179 km (0.092 R)
• M13: 15,440,295 km (0.047 R)
• M14: 17,807,682 km (0.03 R)
• M15: 21,500,356 km (0.084 R)
• M16: 26,348,823 km (0.104 R)
• M17: 29,528,226 km (0.089 R)

Planet 6 - Ice Giant

Semi-Major Axis: 11.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 737.1

Radius: 6.4

Gravity: 18 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 8.96 AU - 13.76 AU

Year: 16042 Days

Day: 20.1 Hours

Environment

Temp: -197 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 64,701,506 km

• M1: 82,428 km (0.057 R)
• M2: 398,379 km (0.053 R)
• M3: 1,044,343 km (0.096 R)
• M4: 1,571,376 km (0.098 R)
• M5: 1,894,807 km (0.062 R)
• M6: 2,698,746 km (0.098 R)
• M7: 3,268,863 km (0.102 R)
• M8: 3,710,775 km (0.068 R)
• M9: 4,350,156 km (0.085 R)
• M10: 8,283,234 km (0.079 R)
• M11: 9,050,372 km (0.119 R)
• M12: 9,532,676 km (0.049 R)
• M13: 9,919,685 km (0.097 R)
• M14: 11,265,019 km (0.107 R)
• M15: 12,661,665 km (0.115 R)
• M16: 14,099,001 km (0.117 R)
• M17: 18,628,076 km (0.045 R)
• M18: 21,406,109 km (0.1 R)
• M19: 23,040,914 km (0.084 R)
• M20: 27,102,646 km (0.113 R)
• M21: 27,544,409 km (0.111 R)
• M22: 31,983,875 km (0.114 R)
• M23: 34,501,607 km (0.094 R)
• M24: 38,521,003 km (0.106 R)
• M25: 43,592,072 km (0.099 R)
• M26: 55,387,116 km (0.106 R)

Planet 7 - Ice Giant

Semi-Major Axis: 11.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 607

Radius: 5.2

Gravity: 22.45 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 11.32 AU - 11.98 AU

Year: 16660 Days

Day: 21.6 Hours

Environment

Temp: -203 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 64,701,506 km

• M1: 64,626 km (0.111 R)
• M2: 242,049 km (0.109 R)
• M3: 551,418 km (0.089 R)
• M4: 1,514,230 km (0.074 R)
• M5: 2,202,679 km (0.117 R)
• M6: 2,451,460 km (0.109 R)
• M7: 3,419,059 km (0.112 R)
• M8: 4,326,819 km (0.038 R)
• M9: 4,785,337 km (0.089 R)
• M10: 5,495,927 km (0.111 R)
• M11: 7,576,384 km (0.09 R)
• M12: 10,018,121 km (0.091 R)
• M13: 10,242,667 km (0.05 R)
• M14: 10,527,950 km (0.064 R)
• M15: 11,722,639 km (0.091 R)
• M16: 15,099,811 km (0.108 R)
• M17: 15,544,116 km (0.059 R)
• M18: 17,088,415 km (0.078 R)
• M19: 19,418,103 km (0.072 R)
• M20: 20,568,361 km (0.063 R)
• M21: 21,763,349 km (0.104 R)
• M22: 26,469,997 km (0.119 R)
• M23: 32,054,336 km (0.097 R)
• M24: 35,703,327 km (0.063 R)
• M25: 42,335,300 km (0.12 R)
• M26: 52,729,509 km (0.104 R)
• M27: 55,833,366 km (0.065 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 539 - 14,317 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit