🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.92

Radius: 0.97

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 0.58 AU - 0.72 AU

Year: 189 Days

Day: 37 Hours

Environment

Temp: 137 °C

Axial Tilt: 6.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 74,720,717 km

• M1: 128,505 km (0.071 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.23 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.38

Radius: 1.14

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.95 AU - 1.51 AU

Year: 491 Days

Day: 42.3 Hours

Environment

Temp: 18 °C

Axial Tilt: 34.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 3.78 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.13

Radius: 1.35

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 3.5 AU - 4.06 AU

Year: 2645 Days

Day: 25.8 Hours

Environment

Temp: -118 °C

Axial Tilt: 36.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 74,720,717 km

• M1: 31,565 km (0.1 R)

Asteroid Belt

Center: 5.18 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 6.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 37.3

Radius: 12

Gravity: 0.26 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 5.97 AU - 7.19 AU

Year: 6074 Days

Day: 6.5 Hours

Environment

Temp: -145 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 74,720,717 km

• M1: 149,747 km (0.057 R)
• M2: 725,550 km (0.105 R)
• M3: 2,121,896 km (0.069 R)
• M4: 4,128,602 km (0.093 R)
• M5: 8,004,533 km (0.12 R)

Planet 5 - Gas Giant

Semi-Major Axis: 8.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 509.4

Radius: 14.8

Gravity: 2.33 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 6.7 AU - 9.38 AU

Year: 8205 Days

Day: 13.1 Hours

Environment

Temp: -168 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 74,720,717 km

• M1: 184,005 km (0.11 R)
• M2: 865,274 km (0.077 R)
• M3: 1,402,031 km (0.117 R)
• M4: 2,102,598 km (0.09 R)
• M5: 2,852,233 km (0.105 R)
• M6: 5,759,219 km (0.114 R)
• M7: 6,694,056 km (0.108 R)
• M8: 7,347,051 km (0.095 R)
• M9: 8,612,948 km (0.025 R)
• M10: 12,789,421 km (0.118 R)
• M11: 14,262,063 km (0.076 R)
• M12: 15,100,559 km (0.095 R)
• M13: 17,678,280 km (0.064 R)
• M14: 19,941,995 km (0.093 R)
• M15: 20,763,137 km (0.111 R)
• M16: 21,297,202 km (0.025 R)
• M17: 22,955,045 km (0.073 R)
• M18: 24,190,873 km (0.074 R)
• M19: 29,008,972 km (0.095 R)
• M20: 31,043,952 km (0.082 R)
• M21: 36,934,368 km (0.057 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 614.7

Radius: 8.8

Gravity: 7.94 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 7.64 AU - 9.74 AU

Year: 9219 Days

Day: 11.9 Hours

Environment

Temp: -176 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 74,720,717 km

• M1: 109,506 km (0.094 R)
• M2: 1,253,929 km (0.093 R)
• M3: 1,595,312 km (0.118 R)
• M4: 1,966,464 km (0.094 R)
• M5: 2,761,128 km (0.109 R)
• M6: 4,910,550 km (0.118 R)
• M7: 5,407,963 km (0.078 R)
• M8: 7,259,386 km (0.078 R)
• M9: 9,498,418 km (0.046 R)
• M10: 12,498,453 km (0.114 R)
• M11: 13,485,201 km (0.09 R)
• M12: 20,365,805 km (0.097 R)
• M13: 24,550,507 km (0.114 R)
• M14: 26,280,456 km (0.108 R)

Planet 7 - Gas Giant

Semi-Major Axis: 10.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 193.8

Radius: 14

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 8.55 AU - 12.93 AU

Year: 12667 Days

Day: 11.1 Hours

Environment

Temp: -186 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 74,720,717 km

• M1: 174,132 km (0.119 R)
• M2: 687,253 km (0.086 R)
• M3: 1,386,772 km (0.09 R)
• M4: 1,828,385 km (0.071 R)
• M5: 3,908,394 km (0.064 R)
• M6: 5,240,713 km (0.113 R)
• M7: 6,928,476 km (0.116 R)
• M8: 8,870,107 km (0.095 R)
• M9: 10,150,515 km (0.088 R)
• M10: 12,218,855 km (0.072 R)
• M11: 15,828,352 km (0.078 R)
• M12: 18,736,086 km (0.085 R)
• M13: 22,217,378 km (0.091 R)
• M14: 23,251,698 km (0.109 R)
• M15: 29,475,867 km (0.101 R)
• M16: 30,047,929 km (0.078 R)
• M17: 30,530,233 km (0.097 R)
• M18: 31,411,514 km (0.111 R)
• M19: 33,844,424 km (0.113 R)
• M20: 35,320,356 km (0.099 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 736.4

Radius: 4.8

Gravity: 31.96 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 13.33 AU - 14.59 AU

Year: 18772 Days

Day: 18.5 Hours

Environment

Temp: -184 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 74,720,717 km

• M1: 64,177 km (0.043 R)
• M2: 321,935 km (0.102 R)
• M3: 571,763 km (0.12 R)
• M4: 876,494 km (0.063 R)
• M5: 2,116,062 km (0.065 R)
• M6: 2,371,126 km (0.114 R)
• M7: 3,514,204 km (0.114 R)
• M8: 9,392,353 km (0.088 R)
• M9: 10,080,503 km (0.102 R)
• M10: 11,750,913 km (0.095 R)
• M11: 16,511,117 km (0.094 R)
• M12: 18,728,457 km (0.052 R)
• M13: 22,214,685 km (0.073 R)
• M14: 22,414,548 km (0.082 R)
• M15: 25,558,796 km (0.103 R)
• M16: 31,431,560 km (0.113 R)
• M17: 42,441,963 km (0.12 R)
• M18: 52,516,183 km (0.084 R)
• M19: 58,767,878 km (0.106 R)
• M20: 59,342,184 km (0.066 R)
• M21: 59,727,249 km (0.039 R)
• M22: 72,943,174 km (0.054 R)

Kuiper Belt

Range: 30.5 - 46.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 478 - 12,174 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit