🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.95

Radius: 0.98

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 0.53 AU - 0.63 AU

Year: 157 Days

Day: 35.6 Hours

Environment

Temp: 159 °C

Axial Tilt: 6.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 61,370,521 km

• M1: 22,888 km (0.114 R)

Asteroid Belt

Center: 2.08 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Terrestrial

Semi-Major Axis: 3.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.36

Radius: 1.62

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 3.34 AU - 3.82 AU

Year: 2414 Days

Day: 30.3 Hours

Environment

Temp: -105 °C

Axial Tilt: 15.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 5.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 288.7

Radius: 13.7

Gravity: 1.54 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 5.25 AU - 5.97 AU

Year: 4736 Days

Day: 10.3 Hours

Environment

Temp: -139 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 61,370,521 km

• M1: 170,392 km (0.084 R)
• M2: 767,138 km (0.075 R)
• M3: 2,463,129 km (0.115 R)
• M4: 5,333,912 km (0.097 R)
• M5: 5,876,653 km (0.088 R)
• M6: 6,922,941 km (0.092 R)
• M7: 7,443,691 km (0.062 R)
• M8: 10,812,037 km (0.044 R)
• M9: 11,346,699 km (0.077 R)
• M10: 14,095,859 km (0.071 R)
• M11: 15,086,646 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 637.6

Radius: 14.8

Gravity: 2.91 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 5.55 AU - 6.27 AU

Year: 5121 Days

Day: 14 Hours

Environment

Temp: -149 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 61,370,521 km

• M1: 187,147 km (0.116 R)
• M2: 683,513 km (0.064 R)
• M3: 1,178,083 km (0.088 R)
• M4: 3,025,767 km (0.118 R)
• M5: 3,601,718 km (0.048 R)
• M6: 4,087,163 km (0.101 R)
• M7: 4,872,253 km (0.098 R)
• M8: 6,083,846 km (0.089 R)
• M9: 6,551,040 km (0.063 R)
• M10: 7,279,881 km (0.1 R)
• M11: 8,550,715 km (0.074 R)
• M12: 10,309,088 km (0.106 R)
• M13: 10,885,339 km (0.065 R)
• M14: 11,624,203 km (0.099 R)
• M15: 12,445,645 km (0.095 R)
• M16: 13,099,687 km (0.115 R)
• M17: 16,720,554 km (0.032 R)
• M18: 17,455,379 km (0.079 R)
• M19: 18,211,746 km (0.074 R)
• M20: 20,612,343 km (0.103 R)
• M21: 21,888,861 km (0.114 R)
• M22: 22,399,140 km (0.113 R)
• M23: 23,519,777 km (0.059 R)
• M24: 25,230,279 km (0.058 R)
• M25: 26,116,198 km (0.119 R)
• M26: 27,610,232 km (0.093 R)
• M27: 28,120,809 km (0.092 R)
• M28: 29,073,149 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 374.2

Radius: 8.8

Gravity: 4.83 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 5.31 AU - 8.25 AU

Year: 6293 Days

Day: 7 Hours

Environment

Temp: -158 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 61,370,521 km

• M1: 133,292 km (0.069 R)
• M2: 410,497 km (0.041 R)
• M3: 731,982 km (0.099 R)
• M4: 1,013,974 km (0.031 R)
• M5: 1,317,508 km (0.088 R)
• M6: 2,863,303 km (0.117 R)
• M7: 3,379,565 km (0.12 R)
• M8: 3,670,982 km (0.087 R)
• M9: 5,502,210 km (0.101 R)
• M10: 7,483,633 km (0.03 R)
• M11: 8,964,353 km (0.102 R)
• M12: 9,242,306 km (0.11 R)
• M13: 10,110,871 km (0.034 R)
• M14: 16,322,324 km (0.088 R)
• M15: 16,917,574 km (0.031 R)
• M16: 18,151,458 km (0.116 R)
• M17: 18,533,082 km (0.102 R)
• M18: 19,643,397 km (0.1 R)
• M19: 22,943,377 km (0.056 R)
• M20: 23,614,921 km (0.083 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 219.7

Radius: 11.5

Gravity: 1.66 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 6.64 AU - 10.42 AU

Year: 8880 Days

Day: 9 Hours

Environment

Temp: -156 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 61,370,521 km

• M1: 148,850 km (0.114 R)
• M2: 510,129 km (0.11 R)
• M3: 1,837,959 km (0.072 R)
• M4: 2,268,353 km (0.116 R)
• M5: 2,765,915 km (0.076 R)
• M6: 3,295,342 km (0.098 R)
• M7: 4,145,058 km (0.082 R)
• M8: 5,000,010 km (0.079 R)
• M9: 5,413,049 km (0.079 R)
• M10: 8,428,344 km (0.086 R)
• M11: 9,755,427 km (0.092 R)
• M12: 10,314,923 km (0.103 R)
• M13: 13,024,290 km (0.097 R)
• M14: 15,647,937 km (0.066 R)
• M15: 16,475,214 km (0.071 R)
• M16: 20,632,838 km (0.097 R)
• M17: 24,176,213 km (0.091 R)
• M18: 24,803,776 km (0.094 R)

Planet 7 - Ice Giant

Semi-Major Axis: 18.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 187.7

Radius: 6.8

Gravity: 4.06 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 15.38 AU - 21.02 AU

Year: 27676 Days

Day: 23.6 Hours

Environment

Temp: -202 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 61,370,521 km

• M1: 87,216 km (0.072 R)
• M2: 974,780 km (0.03 R)
• M3: 3,264,974 km (0.069 R)
• M4: 8,801,740 km (0.084 R)
• M5: 9,950,951 km (0.077 R)
• M6: 10,392,714 km (0.101 R)
• M7: 17,464,803 km (0.032 R)
• M8: 20,393,182 km (0.076 R)
• M9: 36,021,222 km (0.098 R)
• M10: 50,987,741 km (0.097 R)
• M11: 53,128,936 km (0.063 R)
• M12: 56,888,031 km (0.087 R)

Kuiper Belt

Range: 30.8 - 58.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 540 - 19,011 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit