🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.56

Radius: 1.83

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 0.55 AU - 0.55 AU

Year: 182 Days

Day: 25.5 Hours

Environment

Temp: 31 °C

Axial Tilt: 34.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.57

Radius: 1.2

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.78 AU - 1.23 AU

Year: 446 Days

Day: 45.6 Hours

Environment

Temp: -77 °C

Axial Tilt: 17.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 55,650,175 km

• M1: 90,656 km (0.041 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.01

Radius: 1

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 1.41 AU - 2.21 AU

Year: 1087 Days

Day: 30.7 Hours

Environment

Temp: -123 °C

Axial Tilt: 20.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.24 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.3

Radius: 1.4

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 2.03 AU - 2.45 AU

Year: 1496 Days

Day: 24.9 Hours

Environment

Temp: -128 °C

Axial Tilt: 27.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.52 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 2.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 868.2

Radius: 12.9

Gravity: 5.22 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 2.41 AU - 3.19 AU

Year: 2091 Days

Day: 9 Hours

Environment

Temp: -145 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 55,650,175 km

• M1: 160,668 km (0.11 R)
• M2: 726,597 km (0.098 R)
• M3: 1,328,279 km (0.093 R)
• M4: 1,934,899 km (0.108 R)
• M5: 2,343,899 km (0.094 R)
• M6: 2,796,283 km (0.104 R)
• M7: 3,256,746 km (0.044 R)
• M8: 4,014,309 km (0.066 R)
• M9: 5,706,112 km (0.097 R)
• M10: 6,977,245 km (0.073 R)
• M11: 7,529,710 km (0.116 R)
• M12: 8,142,762 km (0.066 R)
• M13: 9,295,563 km (0.102 R)
• M14: 9,857,452 km (0.082 R)
• M15: 10,705,074 km (0.111 R)
• M16: 13,015,314 km (0.067 R)
• M17: 14,729,107 km (0.043 R)
• M18: 17,207,495 km (0.105 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 895.3

Radius: 14

Gravity: 4.57 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 2.68 AU - 3.9 AU

Year: 2663 Days

Day: 11.6 Hours

Environment

Temp: -155 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 55,650,175 km

• M1: 174,581 km (0.033 R)
• M2: 631,453 km (0.118 R)
• M3: 1,128,716 km (0.055 R)
• M4: 2,070,285 km (0.081 R)
• M5: 2,815,731 km (0.119 R)
• M6: 3,359,519 km (0.088 R)
• M7: 4,096,438 km (0.096 R)
• M8: 4,821,839 km (0.039 R)
• M9: 6,220,728 km (0.109 R)
• M10: 7,681,851 km (0.061 R)
• M11: 8,822,983 km (0.1 R)
• M12: 9,694,540 km (0.104 R)
• M13: 10,582,853 km (0.096 R)
• M14: 11,609,393 km (0.063 R)
• M15: 13,860,392 km (0.106 R)
• M16: 14,737,933 km (0.069 R)
• M17: 16,176,167 km (0.092 R)
• M18: 17,259,406 km (0.094 R)
• M19: 19,691,269 km (0.084 R)
• M20: 20,488,176 km (0.084 R)

Planet 7 - Ice Giant

Semi-Major Axis: 11.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 608.1

Radius: 6.4

Gravity: 14.85 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 9.64 AU - 12.62 AU

Year: 16569 Days

Day: 19.1 Hours

Environment

Temp: -203 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 55,650,175 km

• M1: 80,184 km (0.086 R)
• M2: 343,477 km (0.106 R)
• M3: 594,951 km (0.089 R)
• M4: 803,640 km (0.109 R)
• M5: 1,086,230 km (0.115 R)
• M6: 1,463,815 km (0.094 R)
• M7: 2,250,550 km (0.093 R)
• M8: 2,679,447 km (0.088 R)
• M9: 2,986,273 km (0.093 R)
• M10: 3,727,530 km (0.116 R)
• M11: 4,684,209 km (0.118 R)
• M12: 5,166,213 km (0.049 R)
• M13: 5,833,719 km (0.114 R)
• M14: 6,432,559 km (0.053 R)
• M15: 8,575,548 km (0.054 R)
• M16: 9,509,039 km (0.049 R)
• M17: 10,451,356 km (0.107 R)
• M18: 10,915,708 km (0.117 R)
• M19: 11,637,817 km (0.092 R)
• M20: 13,719,022 km (0.12 R)
• M21: 15,138,706 km (0.088 R)
• M22: 15,959,849 km (0.095 R)
• M23: 16,889,300 km (0.094 R)
• M24: 17,528,532 km (0.098 R)
• M25: 19,805,412 km (0.104 R)
• M26: 22,177,436 km (0.115 R)
• M27: 28,922,504 km (0.096 R)
• M28: 30,652,753 km (0.059 R)
• M29: 33,437,817 km (0.101 R)
• M30: 33,938,820 km (0.12 R)
• M31: 34,317,752 km (0.1 R)
• M32: 38,401,175 km (0.048 R)
• M33: 39,505,207 km (0.06 R)
• M34: 45,191,871 km (0.087 R)
• M35: 46,267,181 km (0.073 R)
• M36: 48,788,802 km (0.109 R)
• M37: 56,900,897 km (0.093 R)
• M38: 60,530,590 km (0.061 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 198.1

Radius: 3.4

Gravity: 17.14 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 10.77 AU - 16.87 AU

Year: 22925 Days

Day: 20.7 Hours

Environment

Temp: -213 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 55,650,175 km

• M1: 42,336 km (0.103 R)
• M2: 228,137 km (0.094 R)
• M3: 523,742 km (0.072 R)
• M4: 1,413,401 km (0.066 R)
• M5: 2,742,279 km (0.116 R)
• M6: 3,334,088 km (0.12 R)
• M7: 3,837,634 km (0.111 R)
• M8: 4,993,876 km (0.029 R)
• M9: 7,920,160 km (0.08 R)
• M10: 9,405,817 km (0.109 R)
• M11: 10,621,000 km (0.081 R)
• M12: 12,789,421 km (0.119 R)
• M13: 21,908,309 km (0.058 R)
• M14: 24,503,682 km (0.085 R)
• M15: 25,676,081 km (0.075 R)
• M16: 47,406,368 km (0.081 R)
• M17: 49,837,483 km (0.06 R)
• M18: 54,781,693 km (0.058 R)

Planet 9 - Ice Giant

Semi-Major Axis: 15.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 152.1

Radius: 5.5

Gravity: 5.03 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 14.28 AU - 16.2 AU

Year: 26548 Days

Day: 22.5 Hours

Environment

Temp: -213 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 55,650,175 km

• M1: 83,625 km (0.12 R)
• M2: 620,831 km (0.102 R)
• M3: 856,149 km (0.095 R)
• M4: 1,056,610 km (0.054 R)
• M5: 1,509,891 km (0.112 R)
• M6: 4,069,810 km (0.072 R)
• M7: 4,738,812 km (0.111 R)
• M8: 6,025,204 km (0.099 R)
• M9: 12,560,686 km (0.045 R)
• M10: 14,775,782 km (0.098 R)
• M11: 15,473,805 km (0.116 R)
• M12: 23,799,525 km (0.112 R)
• M13: 39,251,789 km (0.108 R)
• M14: 44,488,163 km (0.115 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 184 - 18,185 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit