🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.75

Radius: 1.25

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.41 AU - 0.65 AU

Year: 176 Days

Day: 22 Hours

Environment

Temp: 23 °C

Axial Tilt: 6.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.83

Radius: 1.71

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 0.6 AU - 0.84 AU

Year: 279 Days

Day: 31.6 Hours

Environment

Temp: -50 °C

Axial Tilt: 0.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 48,220,885 km

• M1: 49,367 km (0.09 R)
• M2: 96,491 km (0.114 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.88

Radius: 0.95

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 1.59 AU - 2.51 AU

Year: 1340 Days

Day: 38.3 Hours

Environment

Temp: -131 °C

Axial Tilt: 27.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 3.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 339.1

Radius: 12.3

Gravity: 2.24 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 2.36 AU - 3.88 AU

Year: 2516 Days

Day: 9.9 Hours

Environment

Temp: -167 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 48,220,885 km

• M1: 153,188 km (0.05 R)
• M2: 633,996 km (0.083 R)
• M3: 1,696,141 km (0.105 R)
• M4: 2,482,427 km (0.114 R)
• M5: 3,787,668 km (0.079 R)
• M6: 4,532,367 km (0.06 R)
• M7: 6,214,894 km (0.104 R)
• M8: 6,745,817 km (0.1 R)
• M9: 7,697,858 km (0.116 R)
• M10: 8,893,444 km (0.099 R)
• M11: 11,278,034 km (0.097 R)
• M12: 14,275,826 km (0.119 R)
• M13: 14,800,465 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 131.3

Radius: 11.6

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 2.93 AU - 3.83 AU

Year: 2837 Days

Day: 14.3 Hours

Environment

Temp: -165 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 48,220,885 km

• M1: 144,212 km (0.112 R)
• M2: 564,134 km (0.115 R)
• M3: 950,844 km (0.095 R)
• M4: 1,383,930 km (0.097 R)
• M5: 2,181,436 km (0.086 R)
• M6: 3,050,001 km (0.104 R)
• M7: 3,564,319 km (0.109 R)
• M8: 4,033,757 km (0.08 R)
• M9: 6,455,747 km (0.109 R)
• M10: 7,131,330 km (0.1 R)
• M11: 7,721,195 km (0.081 R)
• M12: 8,969,290 km (0.06 R)
• M13: 9,656,991 km (0.041 R)
• M14: 11,410,278 km (0.09 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 909.2

Radius: 13.8

Gravity: 4.77 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 3.11 AU - 4.41 AU

Year: 3329 Days

Day: 9.4 Hours

Environment

Temp: -165 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 48,220,885 km

• M1: 171,888 km (0.053 R)
• M2: 633,996 km (0.112 R)
• M3: 1,107,922 km (0.107 R)
• M4: 1,673,851 km (0.067 R)
• M5: 2,240,079 km (0.071 R)
• M6: 2,881,853 km (0.027 R)
• M7: 3,664,400 km (0.102 R)
• M8: 4,514,265 km (0.112 R)
• M9: 5,024,244 km (0.055 R)
• M10: 6,365,838 km (0.117 R)
• M11: 7,136,716 km (0.039 R)
• M12: 8,143,210 km (0.064 R)
• M13: 8,828,070 km (0.031 R)
• M14: 9,787,740 km (0.054 R)
• M15: 11,159,552 km (0.071 R)
• M16: 12,374,287 km (0.119 R)
• M17: 13,232,081 km (0.08 R)
• M18: 15,604,404 km (0.051 R)
• M19: 18,067,084 km (0.094 R)
• M20: 19,549,001 km (0.086 R)
• M21: 20,712,723 km (0.102 R)
• M22: 24,777,297 km (0.111 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 98

Radius: 8.3

Gravity: 1.42 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 3.54 AU - 4.82 AU

Year: 3902 Days

Day: 10.3 Hours

Environment

Temp: -181 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 48,220,885 km

• M1: 103,372 km (0.113 R)
• M2: 397,930 km (0.071 R)
• M3: 677,678 km (0.115 R)
• M4: 1,159,234 km (0.079 R)
• M5: 2,091,977 km (0.09 R)
• M6: 2,589,090 km (0.115 R)
• M7: 3,044,616 km (0.078 R)
• M8: 3,650,936 km (0.092 R)
• M9: 4,316,796 km (0.105 R)
• M10: 6,752,249 km (0.087 R)
• M11: 7,480,642 km (0.114 R)
• M12: 8,819,991 km (0.068 R)
• M13: 9,562,296 km (0.091 R)
• M14: 10,278,720 km (0.101 R)
• M15: 10,547,996 km (0.075 R)
• M16: 12,681,711 km (0.09 R)

Planet 8 - Gas Giant

Semi-Major Axis: 7.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 863.6

Radius: 11

Gravity: 7.14 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 6.7 AU - 7.88 AU

Year: 8987 Days

Day: 5.2 Hours

Environment

Temp: -198 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 48,220,885 km

• M1: 137,480 km (0.057 R)
• M2: 852,558 km (0.076 R)
• M3: 1,297,462 km (0.081 R)
• M4: 2,398,951 km (0.086 R)
• M5: 3,237,298 km (0.026 R)
• M6: 3,750,419 km (0.103 R)
• M7: 4,288,971 km (0.117 R)
• M8: 5,793,776 km (0.099 R)
• M9: 6,403,238 km (0.061 R)
• M10: 10,890,725 km (0.104 R)
• M11: 11,652,178 km (0.111 R)
• M12: 12,860,331 km (0.103 R)
• M13: 14,150,163 km (0.117 R)
• M14: 16,070,551 km (0.096 R)
• M15: 21,663,866 km (0.109 R)
• M16: 22,432,650 km (0.076 R)
• M17: 27,235,040 km (0.04 R)
• M18: 29,251,470 km (0.089 R)
• M19: 36,491,109 km (0.071 R)
• M20: 37,946,846 km (0.076 R)
• M21: 38,316,652 km (0.063 R)
• M22: 41,623,812 km (0.108 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: 190 - 12,247 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit