🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.5 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.62

Radius: 1.21

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 0.4 AU - 0.6 AU

Year: 135 Days

Day: 19.6 Hours

Environment

Temp: 157 °C

Axial Tilt: 36.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 45,743,867 km

• M1: 28,872 km (0.092 R)
• M2: 131,945 km (0.075 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.99 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.05

Radius: 1.33

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.79 AU - 1.19 AU

Year: 377 Days

Day: 18.1 Hours

Environment

Temp: 10 °C

Axial Tilt: 42.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.94

Radius: 1.73

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 1.21 AU - 1.57 AU

Year: 627 Days

Day: 17.5 Hours

Environment

Temp: -48 °C

Axial Tilt: 44.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.52

Radius: 0.77

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 1.94 AU - 2.36 AU

Year: 1207 Days

Day: 36.6 Hours

Environment

Temp: -92 °C

Axial Tilt: 49.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 4.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 883.9

Radius: 9.9

Gravity: 9.02 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 3.58 AU - 5.72 AU

Year: 3839 Days

Day: 12 Hours

Environment

Temp: -151 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 45,743,867 km

• M1: 123,119 km (0.115 R)
• M2: 444,156 km (0.116 R)
• M3: 856,747 km (0.071 R)
• M4: 1,220,868 km (0.097 R)
• M5: 1,593,517 km (0.043 R)
• M6: 1,986,959 km (0.091 R)
• M7: 2,305,004 km (0.091 R)
• M8: 3,699,555 km (0.092 R)
• M9: 4,348,960 km (0.035 R)
• M10: 7,249,812 km (0.027 R)
• M11: 7,905,649 km (0.075 R)
• M12: 8,488,183 km (0.076 R)
• M13: 10,366,085 km (0.078 R)
• M14: 11,153,568 km (0.088 R)
• M15: 11,562,120 km (0.042 R)
• M16: 12,409,143 km (0.07 R)
• M17: 14,438,887 km (0.117 R)
• M18: 15,588,697 km (0.106 R)
• M19: 15,928,134 km (0.082 R)
• M20: 21,983,856 km (0.117 R)
• M21: 22,771,339 km (0.045 R)
• M22: 25,715,425 km (0.071 R)
• M23: 27,156,202 km (0.059 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 54.8

Radius: 12.7

Gravity: 0.34 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 4.32 AU - 5.72 AU

Year: 4307 Days

Day: 12.4 Hours

Environment

Temp: -154 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 45,743,867 km

• M1: 157,975 km (0.093 R)
• M2: 700,118 km (0.097 R)
• M3: 1,121,086 km (0.092 R)
• M4: 1,601,744 km (0.11 R)
• M5: 2,101,850 km (0.07 R)
• M6: 2,593,429 km (0.102 R)
• M7: 3,892,985 km (0.081 R)
• M8: 4,604,473 km (0.077 R)
• M9: 5,714,938 km (0.115 R)
• M10: 8,185,247 km (0.036 R)
• M11: 9,295,264 km (0.099 R)
• M12: 9,995,531 km (0.112 R)
• M13: 11,604,756 km (0.074 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 575.9

Radius: 9.8

Gravity: 6 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 6.86 AU - 9.36 AU

Year: 8843 Days

Day: 9.1 Hours

Environment

Temp: -181 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 45,743,867 km

• M1: 122,820 km (0.119 R)
• M2: 634,145 km (0.095 R)
• M3: 1,177,934 km (0.054 R)
• M4: 1,903,633 km (0.045 R)
• M5: 2,384,291 km (0.085 R)
• M6: 5,965,215 km (0.075 R)
• M7: 8,787,678 km (0.057 R)
• M8: 10,074,220 km (0.068 R)
• M9: 11,169,725 km (0.073 R)
• M10: 11,640,210 km (0.078 R)
• M11: 13,596,502 km (0.106 R)
• M12: 15,762,679 km (0.089 R)
• M13: 17,030,222 km (0.064 R)
• M14: 20,071,397 km (0.083 R)
• M15: 26,462,517 km (0.118 R)
• M16: 26,832,323 km (0.095 R)
• M17: 32,799,632 km (0.111 R)
• M18: 34,309,374 km (0.113 R)
• M19: 35,977,540 km (0.073 R)
• M20: 40,444,981 km (0.109 R)

Planet 8 - Gas Giant

Semi-Major Axis: 8.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 673.1

Radius: 9.4

Gravity: 7.62 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 7.74 AU - 9.16 AU

Year: 9405 Days

Day: 8.5 Hours

Environment

Temp: -180 °C

Axial Tilt: 50 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 45,743,867 km

• M1: 117,285 km (0.074 R)
• M2: 650,601 km (0.108 R)
• M3: 965,953 km (0.088 R)
• M4: 1,373,608 km (0.074 R)
• M5: 1,712,297 km (0.082 R)
• M6: 2,640,402 km (0.084 R)
• M7: 5,584,040 km (0.087 R)
• M8: 7,462,391 km (0.067 R)
• M9: 7,959,205 km (0.102 R)
• M10: 8,478,011 km (0.057 R)
• M11: 9,298,405 km (0.086 R)
• M12: 11,471,614 km (0.101 R)
• M13: 13,534,867 km (0.046 R)
• M14: 14,654,159 km (0.097 R)
• M15: 15,968,974 km (0.092 R)
• M16: 16,516,353 km (0.105 R)
• M17: 18,681,034 km (0.092 R)
• M18: 19,675,411 km (0.059 R)
• M19: 20,067,058 km (0.098 R)
• M20: 27,353,821 km (0.095 R)
• M21: 33,047,516 km (0.081 R)
• M22: 38,256,364 km (0.104 R)
• M23: 45,470,722 km (0.03 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 426 - 16,694 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit