🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.25

Radius: 1.09

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 0.5 AU - 0.52 AU

Year: 130 Days

Day: 14.3 Hours

Environment

Temp: 258 °C

Axial Tilt: 6.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 3.04 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.15

Radius: 1.06

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 2.51 AU - 3.57 AU

Year: 1898 Days

Day: 21 Hours

Environment

Temp: -103 °C

Axial Tilt: 32.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.04 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 7.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 653.6

Radius: 12.7

Gravity: 4.05 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 5.92 AU - 8.16 AU

Year: 6690 Days

Day: 5.4 Hours

Environment

Temp: -148 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 87,994,924 km

• M1: 157,975 km (0.109 R)
• M2: 667,207 km (0.107 R)
• M3: 1,080,545 km (0.115 R)
• M4: 1,558,062 km (0.057 R)
• M5: 2,224,820 km (0.102 R)
• M6: 2,708,021 km (0.1 R)
• M7: 4,869,261 km (0.066 R)
• M8: 5,508,343 km (0.092 R)
• M9: 6,778,429 km (0.043 R)
• M10: 7,279,283 km (0.03 R)
• M11: 8,847,966 km (0.105 R)
• M12: 9,447,106 km (0.084 R)
• M13: 9,982,068 km (0.103 R)
• M14: 10,396,454 km (0.079 R)
• M15: 12,966,395 km (0.096 R)
• M16: 14,196,090 km (0.075 R)
• M17: 15,809,802 km (0.037 R)
• M18: 17,016,459 km (0.099 R)
• M19: 17,476,322 km (0.061 R)
• M20: 20,411,283 km (0.118 R)
• M21: 21,841,439 km (0.048 R)
• M22: 23,579,467 km (0.081 R)
• M23: 29,439,814 km (0.091 R)
• M24: 31,361,398 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 10.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 257.9

Radius: 14.5

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 8.55 AU - 12.53 AU

Year: 12256 Days

Day: 11.2 Hours

Environment

Temp: -184 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 87,994,924 km

• M1: 186,848 km (0.064 R)
• M2: 796,908 km (0.06 R)
• M3: 2,067,592 km (0.095 R)
• M4: 2,724,626 km (0.025 R)
• M5: 3,799,936 km (0.081 R)
• M6: 7,720,746 km (0.1 R)
• M7: 9,629,765 km (0.113 R)
• M8: 10,523,911 km (0.083 R)
• M9: 12,918,375 km (0.083 R)
• M10: 20,382,560 km (0.086 R)
• M11: 22,497,874 km (0.096 R)
• M12: 24,156,466 km (0.083 R)
• M13: 26,252,930 km (0.04 R)
• M14: 36,751,858 km (0.114 R)

Planet 5 - Ice Giant

Semi-Major Axis: 16.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 35.2

Radius: 7.8

Gravity: 0.58 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 15.83 AU - 16.35 AU

Year: 23116 Days

Day: 19.3 Hours

Environment

Temp: -200 °C

Axial Tilt: 85.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 87,994,924 km

• M1: 125,363 km (0.071 R)
• M2: 771,476 km (0.105 R)
• M3: 2,160,193 km (0.118 R)
• M4: 2,515,039 km (0.097 R)
• M5: 4,616,889 km (0.118 R)
• M6: 5,609,920 km (0.091 R)
• M7: 8,945,055 km (0.118 R)
• M8: 14,110,819 km (0.091 R)
• M9: 16,848,011 km (0.097 R)
• M10: 23,733,403 km (0.1 R)
• M11: 29,060,583 km (0.111 R)

Planet 6 - Ice Giant

Semi-Major Axis: 18.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 375.8

Radius: 4.3

Gravity: 20.32 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 18.38 AU - 18.94 AU

Year: 28870 Days

Day: 24.4 Hours

Environment

Temp: -199 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 87,994,924 km

• M1: 53,556 km (0.061 R)
• M2: 224,098 km (0.12 R)
• M3: 2,989,265 km (0.111 R)
• M4: 3,261,832 km (0.096 R)
• M5: 5,453,142 km (0.102 R)
• M6: 7,893,532 km (0.116 R)
• M7: 9,872,711 km (0.118 R)
• M8: 10,231,896 km (0.117 R)
• M9: 10,724,372 km (0.043 R)
• M10: 12,503,091 km (0.114 R)
• M11: 15,089,339 km (0.048 R)
• M12: 15,646,142 km (0.057 R)
• M13: 16,885,261 km (0.035 R)
• M14: 25,944,908 km (0.105 R)
• M15: 34,679,180 km (0.05 R)
• M16: 38,219,414 km (0.089 R)
• M17: 69,518,280 km (0.09 R)
• M18: 71,055,398 km (0.07 R)
• M19: 71,498,657 km (0.088 R)

Planet 7 - Ice Giant

Semi-Major Axis: 18.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 491.7

Radius: 7.5

Gravity: 8.74 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 15.4 AU - 22.34 AU

Year: 29358 Days

Day: 17.6 Hours

Environment

Temp: -206 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 87,994,924 km

• M1: 93,499 km (0.089 R)
• M2: 408,103 km (0.071 R)
• M3: 942,766 km (0.099 R)
• M4: 1,176,737 km (0.087 R)
• M5: 1,766,452 km (0.071 R)
• M6: 2,396,109 km (0.093 R)
• M7: 3,195,111 km (0.042 R)
• M8: 4,297,797 km (0.117 R)
• M9: 4,691,688 km (0.101 R)
• M10: 5,676,940 km (0.056 R)
• M11: 6,151,614 km (0.047 R)
• M12: 6,513,192 km (0.112 R)
• M13: 6,936,853 km (0.092 R)
• M14: 10,561,909 km (0.114 R)
• M15: 14,479,877 km (0.066 R)
• M16: 17,243,997 km (0.093 R)
• M17: 25,595,148 km (0.032 R)
• M18: 25,943,412 km (0.072 R)
• M19: 27,854,525 km (0.087 R)
• M20: 32,902,406 km (0.119 R)
• M21: 37,623,565 km (0.093 R)
• M22: 41,807,219 km (0.087 R)
• M23: 47,853,666 km (0.081 R)
• M24: 56,003,608 km (0.044 R)
• M25: 61,436,704 km (0.096 R)
• M26: 61,852,586 km (0.044 R)
• M27: 66,333,341 km (0.095 R)
• M28: 67,652,346 km (0.091 R)
• M29: 69,663,240 km (0.053 R)
• M30: 78,594,383 km (0.11 R)
• M31: 84,611,060 km (0.027 R)
• M32: 85,642,836 km (0.049 R)

Kuiper Belt

Range: 30.6 - 47.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 167 - 17,580 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit