🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.64

Radius: 1.47

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 0.5 AU - 0.68 AU

Year: 159 Days

Day: 20.8 Hours

Environment

Temp: 229 °C

Axial Tilt: 37 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 27,942,621 km

• M1: 254,466 km (0.109 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.86 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.91

Radius: 0.96

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 0.84 AU - 0.88 AU

Year: 280 Days

Day: 15 Hours

Environment

Temp: 198 °C

Axial Tilt: 15.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 27,942,621 km

• M1: 85,720 km (0.106 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.16 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.22

Radius: 1.08

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 0.91 AU - 1.41 AU

Year: 439 Days

Day: 44.8 Hours

Environment

Temp: 20 °C

Axial Tilt: 24.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.36 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.44

Radius: 1.82

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 1.13 AU - 1.59 AU

Year: 557 Days

Day: 27 Hours

Environment

Temp: -7 °C

Axial Tilt: 38.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 3.74 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.2

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 3.5 AU - 3.98 AU

Year: 2542 Days

Day: 21.6 Hours

Environment

Temp: -116 °C

Axial Tilt: 2.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.67 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 7.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 283.5

Radius: 13

Gravity: 1.68 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 6.92 AU - 8.28 AU

Year: 7364 Days

Day: 11.6 Hours

Environment

Temp: -147 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 27,942,621 km

• M1: 161,715 km (0.082 R)
• M2: 832,213 km (0.075 R)
• M3: 1,457,682 km (0.072 R)
• M4: 1,893,161 km (0.081 R)
• M5: 3,111,935 km (0.099 R)
• M6: 3,528,116 km (0.1 R)
• M7: 4,498,707 km (0.113 R)
• M8: 5,194,487 km (0.115 R)
• M9: 5,813,523 km (0.102 R)
• M10: 11,947,484 km (0.047 R)
• M11: 12,827,419 km (0.075 R)
• M12: 13,541,150 km (0.117 R)
• M13: 14,497,829 km (0.112 R)
• M14: 17,147,207 km (0.029 R)
• M15: 18,909,470 km (0.106 R)
• M16: 20,376,726 km (0.052 R)
• M17: 24,144,498 km (0.101 R)

Planet 7 - Gas Giant

Semi-Major Axis: 10.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 64.3

Radius: 12.4

Gravity: 0.42 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 8.44 AU - 12.28 AU

Year: 11720 Days

Day: 10.9 Hours

Environment

Temp: -180 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 27,942,621 km

• M1: 155,582 km (0.093 R)
• M2: 586,872 km (0.042 R)
• M3: 1,800,410 km (0.05 R)
• M4: 2,274,486 km (0.099 R)
• M5: 2,967,723 km (0.056 R)
• M6: 4,267,578 km (0.1 R)
• M7: 7,554,094 km (0.037 R)
• M8: 8,585,123 km (0.099 R)
• M9: 10,550,390 km (0.085 R)
• M10: 14,568,589 km (0.06 R)
• M11: 17,636,243 km (0.1 R)
• M12: 20,266,622 km (0.094 R)

Asteroid Belt

Center: 11.24 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 12.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 522.5

Radius: 11.2

Gravity: 4.17 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 10.21 AU - 14.01 AU

Year: 14811 Days

Day: 6.2 Hours

Environment

Temp: -175 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 27,942,621 km

• M1: 139,425 km (0.117 R)
• M2: 541,095 km (0.057 R)
• M3: 1,231,938 km (0.106 R)
• M4: 1,999,376 km (0.068 R)
• M5: 2,787,756 km (0.114 R)
• M6: 3,156,814 km (0.111 R)
• M7: 3,664,549 km (0.067 R)
• M8: 4,167,348 km (0.098 R)
• M9: 4,621,228 km (0.11 R)
• M10: 5,846,883 km (0.098 R)
• M11: 6,696,001 km (0.077 R)
• M12: 10,652,116 km (0.086 R)
• M13: 13,668,458 km (0.109 R)
• M14: 14,812,134 km (0.117 R)
• M15: 17,060,291 km (0.068 R)
• M16: 17,597,796 km (0.038 R)
• M17: 19,443,983 km (0.05 R)
• M18: 22,132,107 km (0.109 R)
• M19: 28,878,373 km (0.1 R)
• M20: 43,769,195 km (0.072 R)
• M21: 44,632,076 km (0.095 R)
• M22: 56,906,432 km (0.069 R)

Planet 9 - Gas Giant

Semi-Major Axis: 12.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 60.5

Radius: 15

Gravity: 0.27 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 11.44 AU - 12.96 AU

Year: 14977 Days

Day: 9.7 Hours

Environment

Temp: -171 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 27,942,621 km

• M1: 186,997 km (0.109 R)
• M2: 668,702 km (0.108 R)
• M3: 1,277,416 km (0.105 R)
• M4: 2,682,290 km (0.113 R)
• M5: 4,066,818 km (0.098 R)
• M6: 4,605,819 km (0.077 R)
• M7: 5,408,412 km (0.041 R)
• M8: 7,531,056 km (0.117 R)
• M9: 8,385,858 km (0.089 R)
• M10: 10,807,549 km (0.114 R)
• M11: 12,274,804 km (0.103 R)
• M12: 13,156,684 km (0.116 R)
• M13: 14,558,117 km (0.103 R)
• M14: 16,579,034 km (0.088 R)
• M15: 18,088,477 km (0.062 R)
• M16: 18,653,807 km (0.097 R)
• M17: 25,129,002 km (0.081 R)
• M18: 25,675,782 km (0.12 R)
• M19: 26,955,292 km (0.106 R)

Kuiper Belt

Range: 31.2 - 54.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 515 - 11,552 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit