🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.17

Radius: 0.49

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.41 AU - 0.63 AU

Year: 246 Days

Day: 31.8 Hours

Environment

Temp: -119 °C

Axial Tilt: 5.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.64

Radius: 1.47

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 0.46 AU - 0.64 AU

Year: 268 Days

Day: 36.4 Hours

Environment

Temp: -132 °C

Axial Tilt: 12.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 2.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 626.7

Radius: 12.5

Gravity: 4.01 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 2.4 AU - 2.58 AU

Year: 2578 Days

Day: 11.3 Hours

Environment

Temp: -194 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 48,086,483 km

• M1: 155,432 km (0.072 R)
• M2: 712,235 km (0.084 R)
• M3: 1,472,193 km (0.065 R)
• M4: 2,046,948 km (0.115 R)
• M5: 2,953,960 km (0.104 R)
• M6: 4,033,308 km (0.114 R)
• M7: 4,567,073 km (0.076 R)
• M8: 5,802,153 km (0.118 R)
• M9: 6,295,677 km (0.119 R)
• M10: 6,873,424 km (0.11 R)
• M11: 7,852,991 km (0.03 R)
• M12: 10,423,381 km (0.116 R)
• M13: 10,920,196 km (0.092 R)
• M14: 12,936,326 km (0.087 R)
• M15: 17,056,401 km (0.081 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 24

Radius: 9.3

Gravity: 0.28 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 2.35 AU - 2.97 AU

Year: 2846 Days

Day: 9.3 Hours

Environment

Temp: -207 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 48,086,483 km

• M1: 115,639 km (0.112 R)
• M2: 493,374 km (0.081 R)
• M3: 876,644 km (0.112 R)
• M4: 1,697,786 km (0.08 R)
• M5: 2,185,475 km (0.093 R)
• M6: 2,678,699 km (0.085 R)
• M7: 3,442,097 km (0.042 R)
• M8: 5,293,072 km (0.061 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 197.3

Radius: 11.9

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 3.94 AU - 4.12 AU

Year: 5307 Days

Day: 12 Hours

Environment

Temp: -208 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 48,086,483 km

• M1: 148,251 km (0.118 R)
• M2: 619,934 km (0.039 R)
• M3: 1,149,809 km (0.061 R)
• M4: 1,740,721 km (0.079 R)
• M5: 2,661,945 km (0.087 R)
• M6: 3,285,169 km (0.085 R)
• M7: 3,670,085 km (0.097 R)
• M8: 5,034,417 km (0.062 R)
• M9: 5,805,893 km (0.082 R)
• M10: 7,428,731 km (0.046 R)
• M11: 7,837,732 km (0.077 R)
• M12: 8,328,413 km (0.05 R)
• M13: 9,014,618 km (0.084 R)
• M14: 10,617,410 km (0.077 R)
• M15: 11,674,468 km (0.084 R)
• M16: 12,845,072 km (0.116 R)
• M17: 13,667,860 km (0.115 R)
• M18: 17,042,339 km (0.091 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 332.5

Radius: 14

Gravity: 1.7 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 4.71 AU - 5.77 AU

Year: 7869 Days

Day: 6 Hours

Environment

Temp: -218 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 48,086,483 km

• M1: 174,132 km (0.109 R)
• M2: 610,060 km (0.066 R)
• M3: 1,752,539 km (0.09 R)
• M4: 2,423,635 km (0.12 R)
• M5: 2,875,869 km (0.042 R)
• M6: 3,705,689 km (0.101 R)
• M7: 4,742,402 km (0.036 R)
• M8: 5,315,063 km (0.097 R)
• M9: 6,732,503 km (0.117 R)
• M10: 8,311,957 km (0.091 R)
• M11: 9,065,781 km (0.094 R)
• M12: 9,607,474 km (0.096 R)
• M13: 10,438,042 km (0.032 R)
• M14: 11,895,574 km (0.059 R)
• M15: 14,081,648 km (0.105 R)
• M16: 15,211,859 km (0.103 R)
• M17: 16,646,802 km (0.072 R)
• M18: 17,334,055 km (0.109 R)
• M19: 18,170,457 km (0.114 R)
• M20: 21,640,379 km (0.12 R)
• M21: 24,079,722 km (0.084 R)
• M22: 31,347,037 km (0.074 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 25.4

Radius: 13.8

Gravity: 0.13 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 5.43 AU - 5.51 AU

Year: 8392 Days

Day: 11.5 Hours

Environment

Temp: -209 °C

Axial Tilt: 46.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 48,086,483 km

• M1: 171,589 km (0.114 R)
• M2: 619,186 km (0.11 R)
• M3: 1,098,048 km (0.093 R)
• M4: 2,263,266 km (0.07 R)
• M5: 4,359,581 km (0.078 R)
• M6: 5,888,023 km (0.049 R)
• M7: 9,648,614 km (0.051 R)
• M8: 11,729,670 km (0.091 R)
• M9: 12,875,889 km (0.054 R)
• M10: 13,435,684 km (0.114 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 209.1

Radius: 6.6

Gravity: 4.8 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 7.14 AU - 11.18 AU

Year: 18187 Days

Day: 16 Hours

Environment

Temp: -232 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 48,086,483 km

• M1: 86,767 km (0.111 R)
• M2: 1,391,260 km (0.071 R)
• M3: 2,053,380 km (0.109 R)
• M4: 2,779,080 km (0.048 R)
• M5: 3,342,465 km (0.099 R)
• M6: 5,357,848 km (0.082 R)
• M7: 9,692,596 km (0.119 R)
• M8: 13,143,968 km (0.073 R)
• M9: 15,242,826 km (0.072 R)
• M10: 23,303,608 km (0.107 R)
• M11: 23,930,274 km (0.059 R)
• M12: 24,293,497 km (0.06 R)
• M13: 28,230,764 km (0.096 R)
• M14: 29,355,141 km (0.116 R)
• M15: 34,152,296 km (0.112 R)
• M16: 47,370,016 km (0.056 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 189 - 16,381 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit