🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.16

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.54 AU - 0.72 AU

Year: 328 Days

Day: 39.9 Hours

Environment

Temp: -139 °C

Axial Tilt: 15.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 908.8

Radius: 12.1

Gravity: 6.21 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.52 AU - 0.84 AU

Year: 368 Days

Day: 9.3 Hours

Environment

Temp: -137 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 15,666,784 km

• M1: 150,645 km (0.101 R)
• M2: 562,039 km (0.088 R)
• M3: 981,063 km (0.119 R)
• M4: 1,407,267 km (0.05 R)
• M5: 2,216,143 km (0.067 R)
• M6: 3,291,004 km (0.083 R)
• M7: 3,939,361 km (0.036 R)
• M8: 4,656,683 km (0.106 R)
• M9: 5,508,194 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 745.2

Radius: 9.8

Gravity: 7.76 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 0.94 AU - 0.94 AU

Year: 598 Days

Day: 10.2 Hours

Environment

Temp: -155 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 15,666,784 km

• M1: 121,922 km (0.055 R)
• M2: 450,888 km (0.048 R)
• M3: 957,426 km (0.11 R)
• M4: 1,941,032 km (0.094 R)
• M5: 2,312,484 km (0.08 R)
• M6: 2,731,358 km (0.094 R)
• M7: 3,402,903 km (0.093 R)
• M8: 3,961,501 km (0.047 R)
• M9: 4,285,829 km (0.1 R)
• M10: 4,805,832 km (0.099 R)
• M11: 5,654,949 km (0.098 R)
• M12: 6,048,242 km (0.084 R)
• M13: 7,382,805 km (0.064 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 144.3

Radius: 13.9

Gravity: 0.75 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.93 AU - 1.43 AU

Year: 841 Days

Day: 7.7 Hours

Environment

Temp: -171 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 15,666,784 km

• M1: 172,935 km (0.029 R)
• M2: 777,610 km (0.095 R)
• M3: 1,306,588 km (0.084 R)
• M4: 1,760,169 km (0.107 R)
• M5: 2,312,334 km (0.12 R)
• M6: 2,756,939 km (0.094 R)
• M7: 5,147,064 km (0.053 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 241.2

Radius: 11.6

Gravity: 1.79 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 1.23 AU - 1.33 AU

Year: 950 Days

Day: 11.4 Hours

Environment

Temp: -172 °C

Axial Tilt: 45.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 15,666,784 km

• M1: 159,771 km (0.061 R)
• M2: 674,088 km (0.045 R)
• M3: 1,213,239 km (0.089 R)
• M4: 1,829,582 km (0.048 R)
• M5: 2,583,705 km (0.058 R)
• M6: 3,369,842 km (0.107 R)
• M7: 4,309,167 km (0.099 R)
• M8: 5,397,641 km (0.117 R)
• M9: 5,822,948 km (0.117 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 499

Radius: 13

Gravity: 2.95 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 1.72 AU - 1.78 AU

Year: 1519 Days

Day: 10.6 Hours

Environment

Temp: -185 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 15,666,784 km

• M1: 161,715 km (0.098 R)
• M2: 585,227 km (0.101 R)
• M3: 1,236,426 km (0.047 R)
• M4: 1,955,095 km (0.058 R)
• M5: 2,739,436 km (0.075 R)
• M6: 4,038,694 km (0.081 R)
• M7: 4,836,050 km (0.104 R)
• M8: 5,564,293 km (0.048 R)
• M9: 6,157,598 km (0.089 R)
• M10: 7,014,046 km (0.072 R)
• M11: 7,523,277 km (0.06 R)
• M12: 8,084,568 km (0.059 R)
• M13: 8,818,046 km (0.105 R)
• M14: 9,750,191 km (0.094 R)
• M15: 10,353,220 km (0.061 R)
• M16: 12,204,194 km (0.048 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 977.9

Radius: 11.7

Gravity: 7.14 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 1.64 AU - 2.58 AU

Year: 2011 Days

Day: 11.8 Hours

Environment

Temp: -182 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 15,666,784 km

• M1: 146,157 km (0.091 R)
• M2: 519,404 km (0.088 R)
• M3: 1,002,904 km (0.082 R)
• M4: 1,853,966 km (0.034 R)
• M5: 2,242,173 km (0.096 R)
• M6: 2,641,150 km (0.071 R)
• M7: 3,372,983 km (0.101 R)
• M8: 4,504,392 km (0.078 R)
• M9: 5,822,798 km (0.095 R)
• M10: 7,148,983 km (0.094 R)
• M11: 7,744,682 km (0.111 R)
• M12: 9,948,558 km (0.082 R)
• M13: 10,465,119 km (0.043 R)
• M14: 11,672,673 km (0.067 R)
• M15: 12,669,593 km (0.107 R)
• M16: 14,880,351 km (0.053 R)
• M17: 16,712,027 km (0.096 R)
• M18: 17,816,059 km (0.076 R)
• M19: 18,194,691 km (0.107 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 261.5

Radius: 11.6

Gravity: 1.94 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 2.12 AU - 3.42 AU

Year: 3024 Days

Day: 9.7 Hours

Environment

Temp: -193 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 15,666,784 km

• M1: 173,833 km (0.118 R)
• M2: 563,386 km (0.038 R)
• M3: 1,183,020 km (0.1 R)
• M4: 1,755,830 km (0.115 R)
• M5: 2,547,951 km (0.093 R)
• M6: 3,737,404 km (0.118 R)
• M7: 4,251,721 km (0.079 R)
• M8: 7,482,138 km (0.072 R)
• M9: 8,702,856 km (0.067 R)
• M10: 12,629,950 km (0.088 R)
• M11: 13,834,661 km (0.075 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: 232 - 17,555 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit