🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.17 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.86

Radius: 1.88

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 0.89 AU - 1.45 AU

Year: 485 Days

Day: 35.5 Hours

Environment

Temp: -0 °C

Axial Tilt: 27.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 47,298,761 km

• M1: 45,777 km (0.109 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.22

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 1.03 AU - 1.49 AU

Year: 542 Days

Day: 16.7 Hours

Environment

Temp: -30 °C

Axial Tilt: 35.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 3.19 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.79

Radius: 1.26

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 3.12 AU - 3.26 AU

Year: 2182 Days

Day: 18.2 Hours

Environment

Temp: -129 °C

Axial Tilt: 39.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.9 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 4.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 513.4

Radius: 12.7

Gravity: 3.18 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 4.6 AU - 4.6 AU

Year: 3778 Days

Day: 10.1 Hours

Environment

Temp: -154 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 47,298,761 km

• M1: 158,125 km (0.106 R)
• M2: 912,248 km (0.071 R)
• M3: 1,378,245 km (0.118 R)
• M4: 1,892,413 km (0.102 R)
• M5: 2,579,366 km (0.114 R)
• M6: 3,137,516 km (0.109 R)
• M7: 4,104,666 km (0.056 R)
• M8: 4,635,140 km (0.115 R)
• M9: 5,780,761 km (0.107 R)
• M10: 6,594,873 km (0.115 R)
• M11: 7,137,763 km (0.072 R)
• M12: 7,841,621 km (0.055 R)
• M13: 8,382,118 km (0.03 R)
• M14: 8,947,598 km (0.114 R)
• M15: 10,962,831 km (0.085 R)
• M16: 11,682,995 km (0.043 R)
• M17: 12,254,758 km (0.097 R)
• M18: 13,454,234 km (0.114 R)
• M19: 13,935,939 km (0.056 R)
• M20: 14,883,043 km (0.103 R)
• M21: 15,450,618 km (0.117 R)
• M22: 16,410,587 km (0.077 R)
• M23: 18,508,398 km (0.08 R)
• M24: 20,588,557 km (0.093 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 244.3

Radius: 12.7

Gravity: 1.51 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 3.98 AU - 5.32 AU

Year: 3839 Days

Day: 9.8 Hours

Environment

Temp: -149 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 47,298,761 km

• M1: 157,975 km (0.097 R)
• M2: 557,102 km (0.108 R)
• M3: 1,366,726 km (0.11 R)
• M4: 1,768,995 km (0.077 R)
• M5: 2,646,087 km (0.118 R)
• M6: 3,102,959 km (0.112 R)
• M7: 3,739,498 km (0.095 R)
• M8: 4,138,475 km (0.085 R)
• M9: 4,715,175 km (0.098 R)
• M10: 5,439,379 km (0.093 R)
• M11: 6,081,303 km (0.072 R)
• M12: 7,787,317 km (0.034 R)
• M13: 8,539,196 km (0.034 R)
• M14: 9,168,405 km (0.057 R)
• M15: 10,188,213 km (0.082 R)
• M16: 10,858,412 km (0.077 R)
• M17: 11,837,680 km (0.113 R)
• M18: 13,046,430 km (0.076 R)
• M19: 13,570,023 km (0.103 R)
• M20: 14,427,817 km (0.062 R)
• M21: 14,893,665 km (0.046 R)
• M22: 16,102,266 km (0.088 R)
• M23: 16,603,568 km (0.109 R)
• M24: 17,270,925 km (0.049 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 511.7

Radius: 12.9

Gravity: 3.07 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 8.81 AU - 11.01 AU

Year: 11945 Days

Day: 9.8 Hours

Environment

Temp: -187 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 47,298,761 km

• M1: 161,715 km (0.056 R)
• M2: 580,889 km (0.041 R)
• M3: 1,018,163 km (0.07 R)
• M4: 1,978,731 km (0.1 R)
• M5: 2,533,590 km (0.03 R)
• M6: 3,450,624 km (0.08 R)
• M7: 3,854,090 km (0.108 R)
• M8: 4,818,248 km (0.091 R)
• M9: 6,787,555 km (0.091 R)
• M10: 11,401,751 km (0.115 R)
• M11: 13,562,693 km (0.026 R)
• M12: 14,838,164 km (0.116 R)
• M13: 15,370,284 km (0.046 R)
• M14: 15,915,119 km (0.062 R)
• M15: 17,188,047 km (0.045 R)
• M16: 18,224,312 km (0.094 R)
• M17: 20,666,497 km (0.025 R)
• M18: 23,319,466 km (0.089 R)
• M19: 25,240,751 km (0.089 R)
• M20: 25,904,068 km (0.091 R)
• M21: 27,463,925 km (0.071 R)
• M22: 28,064,710 km (0.118 R)
• M23: 33,758,854 km (0.088 R)
• M24: 36,333,284 km (0.103 R)
• M25: 37,057,487 km (0.071 R)
• M26: 46,233,072 km (0.052 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 154.5

Radius: 4.8

Gravity: 6.71 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 11.4 AU - 17.14 AU

Year: 20640 Days

Day: 15.6 Hours

Environment

Temp: -188 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 47,298,761 km

• M1: 72,106 km (0.067 R)
• M2: 239,057 km (0.081 R)
• M3: 549,174 km (0.095 R)
• M4: 704,606 km (0.095 R)
• M5: 979,268 km (0.102 R)
• M6: 1,607,579 km (0.12 R)
• M7: 1,949,410 km (0.119 R)
• M8: 2,102,448 km (0.04 R)
• M9: 3,534,549 km (0.106 R)
• M10: 7,252,954 km (0.091 R)
• M11: 9,420,328 km (0.063 R)
• M12: 11,928,037 km (0.106 R)
• M13: 13,395,293 km (0.092 R)
• M14: 22,305,043 km (0.088 R)
• M15: 24,519,241 km (0.117 R)
• M16: 25,821,041 km (0.112 R)
• M17: 32,803,671 km (0.08 R)
• M18: 38,797,011 km (0.114 R)
• M19: 41,984,493 km (0.078 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 309 - 12,874 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit