🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.68

Radius: 1.48

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 0.41 AU - 0.63 AU

Year: 246 Days

Day: 37.5 Hours

Environment

Temp: -114 °C

Axial Tilt: 16.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.27

Radius: 1.1

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 0.52 AU - 0.54 AU

Year: 253 Days

Day: 46.1 Hours

Environment

Temp: -124 °C

Axial Tilt: 79.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 63,213,979 km

• M1: 256,112 km (0.105 R)

Asteroid Belt

Center: 0.83 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 722.3

Radius: 10

Gravity: 7.22 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 0.99 AU - 1.25 AU

Year: 778 Days

Day: 7.3 Hours

Environment

Temp: -166 °C

Axial Tilt: 86.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 63,213,979 km

• M1: 124,316 km (0.108 R)
• M2: 568,322 km (0.104 R)
• M3: 1,087,427 km (0.09 R)
• M4: 1,535,173 km (0.062 R)
• M5: 2,084,347 km (0.099 R)
• M6: 2,432,461 km (0.093 R)
• M7: 2,965,927 km (0.039 R)
• M8: 4,219,408 km (0.083 R)
• M9: 4,678,973 km (0.08 R)
• M10: 5,875,307 km (0.082 R)
• M11: 6,470,557 km (0.066 R)
• M12: 7,037,832 km (0.069 R)
• M13: 7,781,333 km (0.026 R)
• M14: 8,499,403 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 891.5

Radius: 8

Gravity: 13.93 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 1.74 AU - 1.94 AU

Year: 1637 Days

Day: 12.5 Hours

Environment

Temp: -192 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 63,213,979 km

• M1: 100,081 km (0.093 R)
• M2: 379,380 km (0.105 R)
• M3: 987,645 km (0.12 R)
• M4: 1,461,721 km (0.116 R)
• M5: 2,091,977 km (0.104 R)
• M6: 2,632,773 km (0.11 R)
• M7: 3,042,821 km (0.107 R)
• M8: 4,160,167 km (0.039 R)
• M9: 5,599,448 km (0.093 R)
• M10: 6,431,661 km (0.049 R)
• M11: 6,904,391 km (0.049 R)
• M12: 7,315,934 km (0.109 R)
• M13: 8,008,273 km (0.096 R)
• M14: 8,462,752 km (0.09 R)
• M15: 10,489,952 km (0.038 R)
• M16: 10,814,280 km (0.089 R)
• M17: 11,558,979 km (0.06 R)
• M18: 12,021,834 km (0.032 R)
• M19: 12,577,591 km (0.099 R)
• M20: 13,150,251 km (0.083 R)
• M21: 13,485,201 km (0.079 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 345.2

Radius: 9.5

Gravity: 3.82 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 1.71 AU - 2.17 AU

Year: 1773 Days

Day: 5.6 Hours

Environment

Temp: -189 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 63,213,979 km

• M1: 118,182 km (0.098 R)
• M2: 424,110 km (0.086 R)
• M3: 1,072,318 km (0.066 R)
• M4: 1,653,056 km (0.09 R)
• M5: 2,101,102 km (0.085 R)
• M6: 2,590,886 km (0.045 R)
• M7: 3,000,036 km (0.12 R)
• M8: 3,406,344 km (0.111 R)
• M9: 4,171,237 km (0.113 R)
• M10: 5,329,424 km (0.05 R)
• M11: 6,617,761 km (0.057 R)
• M12: 7,207,476 km (0.096 R)
• M13: 10,080,653 km (0.037 R)
• M14: 10,828,343 km (0.081 R)
• M15: 11,439,001 km (0.059 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 110.4

Radius: 9.2

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 5.17 AU - 5.47 AU

Year: 8050 Days

Day: 9.9 Hours

Environment

Temp: -215 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 63,213,979 km

• M1: 114,442 km (0.052 R)
• M2: 596,896 km (0.101 R)
• M3: 2,174,555 km (0.06 R)
• M4: 2,740,483 km (0.06 R)
• M5: 3,146,342 km (0.082 R)
• M6: 3,611,592 km (0.098 R)
• M7: 5,186,857 km (0.104 R)
• M8: 9,551,076 km (0.053 R)
• M9: 10,568,192 km (0.065 R)
• M10: 12,227,232 km (0.044 R)
• M11: 16,053,497 km (0.118 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 39

Radius: 3.2

Gravity: 3.81 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 8.2 AU - 9.9 AU

Year: 17860 Days

Day: 18.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 63,213,979 km

• M1: 41,289 km (0.11 R)
• M2: 544,237 km (0.119 R)
• M3: 1,095,804 km (0.061 R)
• M4: 1,201,869 km (0.084 R)
• M5: 1,722,919 km (0.085 R)
• M6: 2,194,750 km (0.098 R)
• M7: 4,260,547 km (0.11 R)
• M8: 4,928,502 km (0.105 R)
• M9: 6,849,488 km (0.104 R)
• M10: 11,337,873 km (0.103 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 383.2

Radius: 6.8

Gravity: 8.29 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 9.38 AU - 10.3 AU

Year: 20249 Days

Day: 18.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 101.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 63,213,979 km

• M1: 85,869 km (0.039 R)
• M2: 306,227 km (0.068 R)
• M3: 1,181,374 km (0.099 R)
• M4: 3,360,716 km (0.094 R)
• M5: 4,930,746 km (0.055 R)
• M6: 6,431,960 km (0.064 R)
• M7: 8,118,676 km (0.1 R)
• M8: 8,657,378 km (0.119 R)
• M9: 10,080,503 km (0.071 R)
• M10: 11,111,831 km (0.099 R)
• M11: 15,869,941 km (0.112 R)
• M12: 20,733,068 km (0.029 R)
• M13: 22,679,336 km (0.075 R)
• M14: 24,042,323 km (0.066 R)
• M15: 26,083,137 km (0.115 R)
• M16: 38,173,786 km (0.032 R)
• M17: 52,518,876 km (0.092 R)
• M18: 54,039,388 km (0.11 R)
• M19: 58,416,772 km (0.094 R)
• M20: 60,048,735 km (0.053 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 538 - 17,856 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit