🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1

Radius: 1

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.56 AU - 0.88 AU

Year: 229 Days

Day: 19.3 Hours

Environment

Temp: 154 °C

Axial Tilt: 1.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 60,378,916 km

• M1: 33,510 km (0.107 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.15 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.92

Radius: 1.3

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 0.97 AU - 1.33 AU

Year: 462 Days

Day: 28.2 Hours

Environment

Temp: -10 °C

Axial Tilt: 33.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 60,378,916 km

• M1: 76,445 km (0.092 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.33

Radius: 1.62

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 1.78 AU - 2.4 AU

Year: 1132 Days

Day: 39.3 Hours

Environment

Temp: -70 °C

Axial Tilt: 23.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.26 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.56

Radius: 1.46

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 2.08 AU - 2.44 AU

Year: 1273 Days

Day: 30.7 Hours

Environment

Temp: -93 °C

Axial Tilt: 13.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 60,378,916 km

• M1: 1,445,415 km (0.059 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.67

Radius: 0.85

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 2.23 AU - 2.81 AU

Year: 1499 Days

Day: 46 Hours

Environment

Temp: -94 °C

Axial Tilt: 24.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.01 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 177.3

Radius: 13.9

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 5.37 AU - 5.61 AU

Year: 4820 Days

Day: 6.2 Hours

Environment

Temp: -151 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 60,378,916 km

• M1: 173,234 km (0.038 R)
• M2: 711,188 km (0.058 R)
• M3: 1,337,106 km (0.087 R)
• M4: 1,868,477 km (0.119 R)
• M5: 3,151,878 km (0.109 R)
• M6: 4,092,399 km (0.115 R)
• M7: 4,759,456 km (0.113 R)
• M8: 5,377,744 km (0.097 R)
• M9: 5,819,507 km (0.107 R)
• M10: 7,031,549 km (0.111 R)
• M11: 10,282,909 km (0.095 R)
• M12: 10,966,721 km (0.101 R)
• M13: 12,766,832 km (0.063 R)
• M14: 13,378,986 km (0.073 R)
• M15: 15,091,433 km (0.114 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 595

Radius: 13.7

Gravity: 3.17 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 4.47 AU - 6.97 AU

Year: 5127 Days

Day: 6.8 Hours

Environment

Temp: -156 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 60,378,916 km

• M1: 170,392 km (0.101 R)
• M2: 658,979 km (0.094 R)
• M3: 1,295,069 km (0.105 R)
• M4: 1,768,546 km (0.075 R)
• M5: 2,221,977 km (0.084 R)
• M6: 3,117,620 km (0.086 R)
• M7: 3,638,968 km (0.105 R)
• M8: 4,241,997 km (0.095 R)
• M9: 4,680,469 km (0.119 R)
• M10: 5,678,436 km (0.111 R)
• M11: 6,524,412 km (0.119 R)
• M12: 7,078,074 km (0.113 R)
• M13: 7,805,119 km (0.1 R)
• M14: 11,041,071 km (0.1 R)
• M15: 11,593,685 km (0.093 R)
• M16: 14,694,101 km (0.075 R)
• M17: 16,170,034 km (0.08 R)
• M18: 18,759,872 km (0.101 R)
• M19: 20,153,526 km (0.119 R)
• M20: 21,120,227 km (0.11 R)
• M21: 29,033,506 km (0.11 R)

Planet 8 - Gas Giant

Semi-Major Axis: 6.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 321.5

Radius: 9.4

Gravity: 3.64 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 5.93 AU - 7.21 AU

Year: 6311 Days

Day: 12.3 Hours

Environment

Temp: -152 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 60,378,916 km

• M1: 117,135 km (0.074 R)
• M2: 596,596 km (0.079 R)
• M3: 969,843 km (0.049 R)
• M4: 2,211,805 km (0.115 R)
• M5: 2,670,472 km (0.086 R)
• M6: 3,801,132 km (0.089 R)
• M7: 4,366,463 km (0.095 R)
• M8: 5,636,549 km (0.109 R)
• M9: 6,341,603 km (0.09 R)
• M10: 8,214,718 km (0.104 R)
• M11: 8,509,576 km (0.114 R)
• M12: 11,537,736 km (0.068 R)
• M13: 14,512,340 km (0.106 R)
• M14: 15,218,442 km (0.067 R)
• M15: 15,833,588 km (0.102 R)
• M16: 17,353,503 km (0.11 R)
• M17: 22,423,075 km (0.069 R)
• M18: 24,639,816 km (0.07 R)
• M19: 25,644,366 km (0.119 R)

Planet 9 - Gas Giant

Semi-Major Axis: 6.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 376.7

Radius: 8.8

Gravity: 4.86 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 5.63 AU - 7.85 AU

Year: 6557 Days

Day: 7.5 Hours

Environment

Temp: -156 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 60,378,916 km

• M1: 111,002 km (0.113 R)
• M2: 402,867 km (0.115 R)
• M3: 771,626 km (0.065 R)
• M4: 1,209,798 km (0.107 R)
• M5: 1,861,147 km (0.081 R)
• M6: 2,392,369 km (0.082 R)
• M7: 2,676,755 km (0.05 R)
• M8: 3,214,709 km (0.073 R)
• M9: 3,778,693 km (0.079 R)
• M10: 4,606,118 km (0.057 R)
• M11: 4,995,821 km (0.091 R)
• M12: 6,424,481 km (0.099 R)
• M13: 6,812,388 km (0.088 R)
• M14: 7,493,507 km (0.097 R)
• M15: 8,256,755 km (0.057 R)
• M16: 9,071,016 km (0.071 R)
• M17: 10,634,165 km (0.099 R)
• M18: 12,717,764 km (0.053 R)
• M19: 13,643,775 km (0.062 R)
• M20: 14,947,520 km (0.1 R)
• M21: 16,511,117 km (0.116 R)
• M22: 16,933,731 km (0.117 R)
• M23: 17,301,742 km (0.114 R)
• M24: 19,023,912 km (0.108 R)
• M25: 19,421,693 km (0.119 R)
• M26: 20,165,344 km (0.099 R)
• M27: 22,583,743 km (0.082 R)
• M28: 23,709,767 km (0.073 R)
• M29: 24,794,052 km (0.077 R)
• M30: 25,189,289 km (0.059 R)
• M31: 28,159,555 km (0.058 R)
• M32: 29,375,187 km (0.085 R)

Planet 10 - Gas Giant

Semi-Major Axis: 11.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 675.7

Radius: 12.5

Gravity: 4.32 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 9.54 AU - 13.06 AU

Year: 14235 Days

Day: 12.2 Hours

Environment

Temp: -191 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 60,378,916 km

• M1: 155,432 km (0.107 R)
• M2: 549,323 km (0.063 R)
• M3: 1,226,254 km (0.115 R)
• M4: 1,830,779 km (0.058 R)
• M5: 2,339,412 km (0.083 R)
• M6: 2,827,101 km (0.117 R)
• M7: 4,522,344 km (0.077 R)
• M8: 6,857,417 km (0.113 R)
• M9: 10,284,854 km (0.066 R)
• M10: 10,902,543 km (0.117 R)
• M11: 12,089,004 km (0.076 R)
• M12: 12,650,295 km (0.102 R)
• M13: 13,425,661 km (0.103 R)
• M14: 15,942,645 km (0.074 R)
• M15: 19,259,230 km (0.111 R)
• M16: 20,460,052 km (0.108 R)
• M17: 20,900,767 km (0.086 R)
• M18: 21,801,346 km (0.104 R)
• M19: 27,972,109 km (0.074 R)
• M20: 30,415,341 km (0.08 R)
• M21: 37,796,650 km (0.092 R)
• M22: 45,090,743 km (0.114 R)
• M23: 54,274,257 km (0.062 R)
• M24: 55,289,877 km (0.114 R)
• M25: 60,198,482 km (0.072 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 306 - 17,544 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit