🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.93

Radius: 1.89

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 0.56 AU - 0.62 AU

Year: 207 Days

Day: 40.1 Hours

Environment

Temp: 2 °C

Axial Tilt: 37.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 52,387,977 km

• M1: 100,530 km (0.047 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.4

Radius: 0.69

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.91 AU - 1.37 AU

Year: 556 Days

Day: 30.5 Hours

Environment

Temp: -88 °C

Axial Tilt: 13.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.32

Radius: 1.62

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 1.32 AU - 1.62 AU

Year: 814 Days

Day: 20.3 Hours

Environment

Temp: -116 °C

Axial Tilt: 43.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.9 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 503

Radius: 12.7

Gravity: 3.12 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 2.28 AU - 2.36 AU

Year: 1613 Days

Day: 6.1 Hours

Environment

Temp: -138 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 52,387,977 km

• M1: 157,975 km (0.116 R)
• M2: 638,035 km (0.101 R)
• M3: 1,250,937 km (0.087 R)
• M4: 2,096,315 km (0.083 R)
• M5: 2,502,024 km (0.085 R)
• M6: 3,338,127 km (0.078 R)
• M7: 4,050,811 km (0.118 R)
• M8: 4,462,504 km (0.055 R)
• M9: 6,494,044 km (0.059 R)
• M10: 8,550,865 km (0.095 R)
• M11: 9,293,618 km (0.065 R)
• M12: 12,071,501 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 81.3

Radius: 12.4

Gravity: 0.53 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 2.65 AU - 4.15 AU

Year: 2862 Days

Day: 6.1 Hours

Environment

Temp: -163 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 52,387,977 km

• M1: 154,385 km (0.101 R)
• M2: 672,891 km (0.063 R)
• M3: 1,413,849 km (0.06 R)
• M4: 1,981,274 km (0.112 R)
• M5: 2,567,399 km (0.093 R)
• M6: 3,280,831 km (0.108 R)
• M7: 3,822,076 km (0.069 R)
• M8: 4,473,724 km (0.113 R)
• M9: 5,689,805 km (0.066 R)
• M10: 6,386,333 km (0.066 R)
• M11: 9,580,397 km (0.091 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 277.4

Radius: 12.5

Gravity: 1.78 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 5.45 AU - 6.55 AU

Year: 6710 Days

Day: 12.6 Hours

Environment

Temp: -179 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 52,387,977 km

• M1: 156,479 km (0.094 R)
• M2: 801,097 km (0.097 R)
• M3: 1,284,597 km (0.094 R)
• M4: 1,783,356 km (0.1 R)
• M5: 4,178,867 km (0.067 R)
• M6: 5,876,952 km (0.063 R)
• M7: 8,174,925 km (0.103 R)
• M8: 9,504,701 km (0.12 R)
• M9: 12,302,031 km (0.102 R)
• M10: 14,044,248 km (0.086 R)
• M11: 19,079,114 km (0.113 R)
• M12: 20,386,749 km (0.083 R)
• M13: 24,592,244 km (0.082 R)
• M14: 25,982,457 km (0.112 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 752.2

Radius: 13.8

Gravity: 3.95 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 6.3 AU - 7.54 AU

Year: 8311 Days

Day: 12.2 Hours

Environment

Temp: -192 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 52,387,977 km

• M1: 183,108 km (0.08 R)
• M2: 827,725 km (0.053 R)
• M3: 2,413,163 km (0.095 R)
• M4: 2,896,065 km (0.107 R)
• M5: 3,633,583 km (0.094 R)
• M6: 4,192,630 km (0.088 R)
• M7: 6,839,315 km (0.066 R)
• M8: 8,449,437 km (0.091 R)
• M9: 12,295,748 km (0.097 R)
• M10: 14,788,946 km (0.097 R)
• M11: 15,888,042 km (0.106 R)
• M12: 16,627,654 km (0.08 R)
• M13: 17,319,993 km (0.05 R)
• M14: 18,541,010 km (0.065 R)
• M15: 20,050,154 km (0.095 R)
• M16: 20,518,545 km (0.107 R)
• M17: 21,154,336 km (0.111 R)
• M18: 28,060,671 km (0.068 R)
• M19: 34,410,353 km (0.117 R)
• M20: 37,268,420 km (0.083 R)
• M21: 41,153,327 km (0.112 R)

Planet 8 - Gas Giant

Semi-Major Axis: 7.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 890.3

Radius: 8.3

Gravity: 12.92 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 6.55 AU - 9.13 AU

Year: 10022 Days

Day: 11.1 Hours

Environment

Temp: -195 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 52,387,977 km

• M1: 107,411 km (0.071 R)
• M2: 622,776 km (0.067 R)
• M3: 1,768,696 km (0.06 R)
• M4: 2,462,231 km (0.089 R)
• M5: 3,550,855 km (0.09 R)
• M6: 5,360,241 km (0.072 R)
• M7: 6,444,676 km (0.077 R)
• M8: 7,203,287 km (0.037 R)
• M9: 9,483,458 km (0.07 R)
• M10: 10,304,601 km (0.119 R)
• M11: 15,340,813 km (0.082 R)
• M12: 21,984,903 km (0.037 R)
• M13: 23,880,009 km (0.098 R)
• M14: 24,346,904 km (0.051 R)
• M15: 25,881,628 km (0.104 R)
• M16: 31,761,423 km (0.092 R)
• M17: 34,177,878 km (0.098 R)
• M18: 44,226,815 km (0.115 R)
• M19: 50,375,288 km (0.085 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 180 - 19,493 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit