🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.9

Radius: 1.53

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 0.4 AU - 0.66 AU

Year: 136 Days

Day: 29.7 Hours

Environment

Temp: 238 °C

Axial Tilt: 23.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 53,734,247 km

• M1: 41,439 km (0.057 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.19

Radius: 1.77

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 0.61 AU - 0.73 AU

Year: 193 Days

Day: 43 Hours

Environment

Temp: 143 °C

Axial Tilt: 29.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 3.73 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.8

Radius: 1.27

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 3.65 AU - 3.81 AU

Year: 2532 Days

Day: 32.7 Hours

Environment

Temp: -115 °C

Axial Tilt: 11.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 53,734,247 km

• M1: 32,014 km (0.094 R)
• M2: 70,461 km (0.09 R)

Planet 4 - Terrestrial

Semi-Major Axis: 4.14 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.65

Radius: 0.84

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 4.06 AU - 4.22 AU

Year: 2961 Days

Day: 16 Hours

Environment

Temp: -109 °C

Axial Tilt: 11.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 53,734,247 km

• M1: 55,650 km (0.081 R)
• M2: 238,908 km (0.065 R)

Planet 5 - Gas Giant

Semi-Major Axis: 8.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 416.4

Radius: 10.5

Gravity: 3.78 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 7.34 AU - 9.86 AU

Year: 8864 Days

Day: 10.9 Hours

Environment

Temp: -160 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 53,734,247 km

• M1: 163,660 km (0.093 R)
• M2: 496,515 km (0.098 R)
• M3: 1,598,154 km (0.065 R)
• M4: 2,311,437 km (0.043 R)
• M5: 5,564,293 km (0.062 R)
• M6: 10,431,759 km (0.084 R)
• M7: 11,511,706 km (0.042 R)
• M8: 13,269,331 km (0.103 R)
• M9: 15,756,545 km (0.114 R)
• M10: 16,780,842 km (0.06 R)
• M11: 17,309,371 km (0.1 R)
• M12: 26,452,195 km (0.117 R)
• M13: 27,349,333 km (0.11 R)
• M14: 28,545,966 km (0.076 R)
• M15: 30,846,183 km (0.089 R)
• M16: 32,855,432 km (0.097 R)

Planet 6 - Gas Giant

Semi-Major Axis: 12.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 631.9

Radius: 8.7

Gravity: 8.35 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 10.74 AU - 14.5 AU

Year: 15757 Days

Day: 13.9 Hours

Environment

Temp: -185 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 53,734,247 km

• M1: 129,851 km (0.082 R)
• M2: 482,154 km (0.105 R)
• M3: 6,450,062 km (0.103 R)
• M4: 7,215,404 km (0.077 R)
• M5: 7,992,565 km (0.105 R)
• M6: 11,544,916 km (0.106 R)
• M7: 12,671,089 km (0.061 R)
• M8: 14,284,502 km (0.054 R)
• M9: 15,140,651 km (0.111 R)
• M10: 18,824,947 km (0.106 R)
• M11: 21,282,391 km (0.084 R)
• M12: 26,611,367 km (0.066 R)
• M13: 29,582,081 km (0.077 R)
• M14: 43,091,667 km (0.1 R)
• M15: 47,170,752 km (0.11 R)
• M16: 52,329,784 km (0.081 R)
• M17: 57,319,172 km (0.111 R)
• M18: 57,674,467 km (0.034 R)
• M19: 62,428,687 km (0.044 R)

Planet 7 - Gas Giant

Semi-Major Axis: 13.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 706.8

Radius: 10.1

Gravity: 6.93 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 9.96 AU - 16.14 AU

Year: 16569 Days

Day: 13.8 Hours

Environment

Temp: -181 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 53,734,247 km

• M1: 125,662 km (0.036 R)
• M2: 520,451 km (0.107 R)
• M3: 1,049,728 km (0.109 R)
• M4: 1,472,941 km (0.119 R)
• M5: 3,003,177 km (0.119 R)
• M6: 4,556,302 km (0.066 R)
• M7: 8,947,897 km (0.088 R)
• M8: 9,921,331 km (0.111 R)
• M9: 12,400,317 km (0.085 R)
• M10: 13,265,591 km (0.116 R)
• M11: 13,678,332 km (0.064 R)
• M12: 19,499,484 km (0.047 R)
• M13: 32,127,190 km (0.075 R)
• M14: 60,958,888 km (0.037 R)
• M15: 61,909,433 km (0.082 R)
• M16: 64,820,309 km (0.034 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 210.2

Radius: 5.2

Gravity: 7.77 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 12.76 AU - 18.22 AU

Year: 21427 Days

Day: 19.6 Hours

Environment

Temp: -183 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 53,734,247 km

• M1: 65,075 km (0.112 R)
• M2: 256,860 km (0.112 R)
• M3: 438,621 km (0.109 R)
• M4: 651,798 km (0.109 R)
• M5: 2,761,277 km (0.111 R)
• M6: 3,103,557 km (0.105 R)
• M7: 11,484,329 km (0.105 R)
• M8: 12,008,520 km (0.098 R)
• M9: 13,042,242 km (0.108 R)
• M10: 14,266,102 km (0.096 R)
• M11: 21,288,076 km (0.117 R)
• M12: 23,624,346 km (0.084 R)
• M13: 24,854,041 km (0.085 R)
• M14: 25,240,901 km (0.116 R)
• M15: 28,798,637 km (0.077 R)
• M16: 31,422,584 km (0.086 R)
• M17: 32,446,282 km (0.116 R)
• M18: 40,375,269 km (0.11 R)
• M19: 44,075,123 km (0.051 R)
• M20: 44,357,863 km (0.096 R)

Kuiper Belt

Range: 31.2 - 60.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 435 - 20,423 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit