🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 34.5

Radius: 9.9

Gravity: 0.35 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 0.64 AU - 0.72 AU

Year: 357 Days

Day: 8.3 Hours

Environment

Temp: -128 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 26,155,943 km

• M1: 123,119 km (0.055 R)
• M2: 677,379 km (0.106 R)
• M3: 1,021,305 km (0.073 R)
• M4: 1,534,126 km (0.098 R)
• M5: 1,912,160 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 607.3

Radius: 9

Gravity: 7.5 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 0.67 AU - 0.75 AU

Year: 380 Days

Day: 6.9 Hours

Environment

Temp: -145 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 26,155,943 km

• M1: 111,899 km (0.052 R)
• M2: 546,032 km (0.042 R)
• M3: 910,004 km (0.037 R)
• M4: 1,338,303 km (0.102 R)
• M5: 1,637,797 km (0.105 R)
• M6: 2,094,520 km (0.106 R)
• M7: 2,692,014 km (0.031 R)
• M8: 3,111,037 km (0.057 R)
• M9: 3,790,062 km (0.105 R)
• M10: 4,997,167 km (0.072 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 694.6

Radius: 14.7

Gravity: 3.21 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 0.6 AU - 0.96 AU

Year: 438 Days

Day: 5 Hours

Environment

Temp: -153 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 26,155,943 km

• M1: 182,809 km (0.076 R)
• M2: 769,831 km (0.064 R)
• M3: 1,689,259 km (0.105 R)
• M4: 2,250,251 km (0.099 R)
• M5: 2,903,994 km (0.093 R)
• M6: 3,451,971 km (0.03 R)
• M7: 5,659,287 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 939.1

Radius: 11

Gravity: 7.76 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 0.77 AU - 0.95 AU

Year: 507 Days

Day: 6.2 Hours

Environment

Temp: -160 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 26,155,943 km

• M1: 136,732 km (0.038 R)
• M2: 482,004 km (0.093 R)
• M3: 1,020,856 km (0.096 R)
• M4: 1,373,757 km (0.057 R)
• M5: 1,818,213 km (0.113 R)
• M6: 2,338,364 km (0.104 R)
• M7: 2,979,092 km (0.1 R)
• M8: 3,546,816 km (0.108 R)
• M9: 4,689,893 km (0.118 R)
• M10: 5,303,095 km (0.104 R)
• M11: 6,082,350 km (0.084 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 771.9

Radius: 14.9

Gravity: 3.48 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 1.08 AU - 1.34 AU

Year: 846 Days

Day: 11.1 Hours

Environment

Temp: -164 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 26,155,943 km

• M1: 186,549 km (0.077 R)
• M2: 666,758 km (0.119 R)
• M3: 2,400,148 km (0.099 R)
• M4: 3,337,080 km (0.093 R)
• M5: 4,540,595 km (0.113 R)
• M6: 5,480,069 km (0.074 R)
• M7: 6,373,168 km (0.1 R)
• M8: 8,817,747 km (0.077 R)
• M9: 9,473,884 km (0.106 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 590.9

Radius: 11.7

Gravity: 4.32 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 1.32 AU - 1.92 AU

Year: 1311 Days

Day: 7.4 Hours

Environment

Temp: -172 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 26,155,943 km

• M1: 145,708 km (0.066 R)
• M2: 1,198,279 km (0.027 R)
• M3: 1,590,525 km (0.059 R)
• M4: 1,986,959 km (0.072 R)
• M5: 2,682,739 km (0.118 R)
• M6: 3,081,267 km (0.07 R)
• M7: 3,489,071 km (0.097 R)
• M8: 3,916,472 km (0.088 R)
• M9: 4,820,193 km (0.069 R)
• M10: 5,291,127 km (0.113 R)
• M11: 5,836,112 km (0.111 R)
• M12: 6,487,760 km (0.07 R)
• M13: 6,964,978 km (0.094 R)
• M14: 7,856,880 km (0.082 R)
• M15: 8,261,692 km (0.051 R)
• M16: 8,737,264 km (0.105 R)
• M17: 9,290,477 km (0.096 R)
• M18: 9,712,941 km (0.074 R)
• M19: 11,125,145 km (0.088 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 390

Radius: 12.1

Gravity: 2.66 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 2.27 AU - 2.55 AU

Year: 2379 Days

Day: 6.3 Hours

Environment

Temp: -202 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 26,155,943 km

• M1: 163,062 km (0.046 R)
• M2: 626,965 km (0.025 R)
• M3: 1,183,768 km (0.105 R)
• M4: 1,582,446 km (0.098 R)
• M5: 5,089,918 km (0.116 R)
• M6: 5,624,282 km (0.05 R)
• M7: 9,789,535 km (0.034 R)
• M8: 11,986,829 km (0.103 R)
• M9: 14,892,618 km (0.066 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 725.8

Radius: 10.8

Gravity: 6.22 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 2.83 AU - 3.89 AU

Year: 3916 Days

Day: 12.4 Hours

Environment

Temp: -200 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 26,155,943 km

• M1: 134,339 km (0.092 R)
• M2: 1,121,386 km (0.098 R)
• M3: 1,619,247 km (0.118 R)
• M4: 2,246,810 km (0.087 R)
• M5: 3,348,150 km (0.048 R)
• M6: 3,899,717 km (0.118 R)
• M7: 4,852,656 km (0.08 R)
• M8: 5,290,678 km (0.095 R)
• M9: 5,982,868 km (0.099 R)
• M10: 6,336,068 km (0.1 R)
• M11: 8,682,660 km (0.075 R)
• M12: 9,928,063 km (0.1 R)
• M13: 11,112,130 km (0.106 R)
• M14: 12,200,155 km (0.072 R)
• M15: 12,578,189 km (0.054 R)
• M16: 13,457,376 km (0.087 R)
• M17: 14,481,822 km (0.051 R)
• M18: 15,502,379 km (0.112 R)
• M19: 16,227,928 km (0.119 R)
• M20: 16,801,337 km (0.105 R)
• M21: 17,867,371 km (0.083 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 169 - 13,238 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit