🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.18 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.76

Radius: 1.5

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 1.09 AU - 1.27 AU

Year: 488 Days

Day: 30.7 Hours

Environment

Temp: -15 °C

Axial Tilt: 36.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 54,452,920 km

• M1: 40,092 km (0.076 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.44

Radius: 1.43

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 1.13 AU - 1.61 AU

Year: 611 Days

Day: 31.9 Hours

Environment

Temp: -32 °C

Axial Tilt: 6.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 54,452,920 km

• M1: 33,660 km (0.099 R)

Asteroid Belt

Center: 2.94 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 4.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 642.1

Radius: 12.8

Gravity: 3.92 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 4.46 AU - 4.56 AU

Year: 3647 Days

Day: 11.2 Hours

Environment

Temp: -141 °C

Axial Tilt: 48.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 54,452,920 km

• M1: 160,219 km (0.065 R)
• M2: 670,198 km (0.116 R)
• M3: 1,647,521 km (0.064 R)
• M4: 2,117,259 km (0.072 R)
• M5: 2,676,456 km (0.081 R)
• M6: 3,240,888 km (0.116 R)
• M7: 3,761,040 km (0.115 R)
• M8: 4,292,113 km (0.103 R)
• M9: 4,848,617 km (0.111 R)
• M10: 5,322,991 km (0.116 R)
• M11: 5,746,503 km (0.076 R)
• M12: 7,474,957 km (0.055 R)
• M13: 8,745,192 km (0.101 R)
• M14: 9,186,656 km (0.11 R)
• M15: 9,837,556 km (0.103 R)
• M16: 10,850,633 km (0.094 R)
• M17: 11,976,656 km (0.113 R)
• M18: 16,424,949 km (0.116 R)
• M19: 17,616,047 km (0.111 R)
• M20: 21,535,361 km (0.101 R)
• M21: 22,616,356 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 471.2

Radius: 8.4

Gravity: 6.68 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 4.46 AU - 6.72 AU

Year: 5033 Days

Day: 8.2 Hours

Environment

Temp: -157 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 54,452,920 km

• M1: 104,419 km (0.118 R)
• M2: 541,395 km (0.027 R)
• M3: 1,045,540 km (0.1 R)
• M4: 2,239,480 km (0.058 R)
• M5: 3,919,464 km (0.09 R)
• M6: 4,211,030 km (0.112 R)
• M7: 5,254,027 km (0.088 R)
• M8: 6,460,085 km (0.09 R)
• M9: 6,740,880 km (0.074 R)
• M10: 7,260,284 km (0.113 R)
• M11: 7,529,859 km (0.111 R)
• M12: 9,448,901 km (0.075 R)
• M13: 11,903,503 km (0.058 R)
• M14: 12,279,143 km (0.11 R)
• M15: 13,152,944 km (0.096 R)
• M16: 13,860,841 km (0.073 R)
• M17: 15,242,677 km (0.119 R)
• M18: 17,484,102 km (0.059 R)
• M19: 18,777,824 km (0.114 R)
• M20: 21,210,584 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 19

Radius: 12.9

Gravity: 0.11 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 5.86 AU - 6.86 AU

Year: 6108 Days

Day: 10.7 Hours

Environment

Temp: -158 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 54,452,920 km

• M1: 160,668 km (0.062 R)
• M2: 761,154 km (0.088 R)
• M3: 1,631,664 km (0.116 R)
• M4: 2,683,337 km (0.083 R)
• M5: 3,295,342 km (0.068 R)
• M6: 4,604,174 km (0.117 R)
• M7: 7,783,577 km (0.107 R)
• M8: 8,247,480 km (0.061 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 48.7

Radius: 9

Gravity: 0.6 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 5.07 AU - 8.45 AU

Year: 6693 Days

Day: 11.6 Hours

Environment

Temp: -167 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 54,452,920 km

• M1: 112,797 km (0.083 R)
• M2: 506,987 km (0.114 R)
• M3: 907,311 km (0.113 R)
• M4: 2,244,716 km (0.117 R)
• M5: 2,634,867 km (0.111 R)
• M6: 3,741,144 km (0.107 R)
• M7: 4,102,572 km (0.115 R)
• M8: 5,131,207 km (0.088 R)
• M9: 7,214,058 km (0.084 R)
• M10: 8,955,377 km (0.063 R)
• M11: 9,906,820 km (0.066 R)
• M12: 10,565,798 km (0.109 R)
• M13: 11,402,200 km (0.085 R)
• M14: 13,580,644 km (0.093 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 171

Radius: 7.4

Gravity: 3.12 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 15.19 AU - 16.69 AU

Year: 24234 Days

Day: 21.6 Hours

Environment

Temp: -191 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 54,452,920 km

• M1: 135,685 km (0.069 R)
• M2: 393,442 km (0.068 R)
• M3: 702,960 km (0.089 R)
• M4: 982,858 km (0.097 R)
• M5: 1,958,087 km (0.071 R)
• M6: 2,801,220 km (0.049 R)
• M7: 3,242,833 km (0.051 R)
• M8: 4,383,966 km (0.049 R)
• M9: 4,691,240 km (0.108 R)
• M10: 7,431,125 km (0.083 R)
• M11: 11,143,396 km (0.071 R)
• M12: 13,684,764 km (0.043 R)
• M13: 16,959,611 km (0.068 R)
• M14: 18,184,070 km (0.081 R)
• M15: 30,727,702 km (0.088 R)
• M16: 33,476,413 km (0.089 R)
• M17: 36,634,574 km (0.111 R)
• M18: 42,422,216 km (0.111 R)
• M19: 43,817,665 km (0.041 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: 355 - 15,621 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit