🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.76

Radius: 1.25

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 0.48 AU - 0.56 AU

Year: 132 Days

Day: 23.8 Hours

Environment

Temp: 223 °C

Axial Tilt: 13 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.17

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.52 AU - 0.78 AU

Year: 184 Days

Day: 22.5 Hours

Environment

Temp: 162 °C

Axial Tilt: 23.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.25 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.71

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 1.1 AU - 1.41 AU

Year: 491 Days

Day: 13.8 Hours

Environment

Temp: 30 °C

Axial Tilt: 4.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 3.73 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.93

Radius: 1.73

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 2.94 AU - 4.52 AU

Year: 2532 Days

Day: 36.5 Hours

Environment

Temp: -118 °C

Axial Tilt: 25.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.42

Radius: 0.71

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 3.85 AU - 5.35 AU

Year: 3467 Days

Day: 25.8 Hours

Environment

Temp: -117 °C

Axial Tilt: 43.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 5.01 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.41

Radius: 0.7

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 4.42 AU - 5.6 AU

Year: 3941 Days

Day: 23.8 Hours

Environment

Temp: -138 °C

Axial Tilt: 37.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 108,048,241 km

• M1: 1,316,611 km (0.077 R)

Asteroid Belt

Center: 6.14 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 7.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 402.1

Radius: 8

Gravity: 6.28 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 5.93 AU - 8.61 AU

Year: 6889 Days

Day: 12.8 Hours

Environment

Temp: -151 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 108,048,241 km

• M1: 99,782 km (0.096 R)
• M2: 360,531 km (0.063 R)
• M3: 654,341 km (0.103 R)
• M4: 967,599 km (0.116 R)
• M5: 1,543,401 km (0.093 R)
• M6: 1,993,691 km (0.118 R)
• M7: 2,313,830 km (0.106 R)
• M8: 2,580,713 km (0.09 R)
• M9: 2,981,336 km (0.114 R)
• M10: 4,071,007 km (0.102 R)
• M11: 5,179,078 km (0.118 R)
• M12: 5,788,091 km (0.05 R)
• M13: 6,219,831 km (0.115 R)
• M14: 7,537,040 km (0.111 R)
• M15: 7,902,657 km (0.068 R)
• M16: 9,911,906 km (0.115 R)
• M17: 12,090,500 km (0.1 R)
• M18: 12,796,602 km (0.087 R)
• M19: 13,744,604 km (0.093 R)
• M20: 14,625,885 km (0.071 R)
• M21: 18,530,090 km (0.046 R)
• M22: 20,087,703 km (0.1 R)
• M23: 21,657,583 km (0.072 R)
• M24: 22,547,391 km (0.108 R)
• M25: 23,307,498 km (0.059 R)
• M26: 23,693,760 km (0.084 R)
• M27: 25,039,542 km (0.064 R)
• M28: 29,561,287 km (0.099 R)
• M29: 30,933,549 km (0.111 R)

Planet 8 - Ice Giant

Semi-Major Axis: 19.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 893.2

Radius: 4.5

Gravity: 44.11 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 14.81 AU - 23.65 AU

Year: 29638 Days

Day: 17 Hours

Environment

Temp: -204 °C

Axial Tilt: 155.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (44)

Outer Limit: 108,048,241 km

• M1: 55,950 km (0.098 R)
• M2: 427,700 km (0.12 R)
• M3: 615,146 km (0.113 R)
• M4: 1,683,275 km (0.073 R)
• M5: 1,998,179 km (0.06 R)
• M6: 2,158,099 km (0.093 R)
• M7: 5,934,996 km (0.114 R)
• M8: 7,019,431 km (0.096 R)
• M9: 9,896,797 km (0.053 R)
• M10: 11,850,395 km (0.091 R)
• M11: 15,066,002 km (0.095 R)
• M12: 20,266,622 km (0.082 R)
• M13: 20,693,574 km (0.093 R)
• M14: 24,447,733 km (0.084 R)
• M15: 26,930,758 km (0.083 R)
• M16: 27,187,917 km (0.117 R)
• M17: 28,899,616 km (0.106 R)
• M18: 31,103,342 km (0.118 R)
• M19: 37,415,774 km (0.105 R)
• M20: 38,707,551 km (0.109 R)
• M21: 40,532,047 km (0.079 R)
• M22: 42,935,935 km (0.087 R)
• M23: 43,111,264 km (0.066 R)
• M24: 48,214,496 km (0.083 R)
• M25: 48,403,737 km (0.091 R)
• M26: 55,972,343 km (0.086 R)
• M27: 58,301,881 km (0.044 R)
• M28: 62,476,559 km (0.05 R)
• M29: 65,213,153 km (0.045 R)
• M30: 66,376,725 km (0.094 R)
• M31: 69,466,519 km (0.116 R)
• M32: 73,149,020 km (0.12 R)
• M33: 74,152,523 km (0.091 R)
• M34: 79,308,414 km (0.086 R)
• M35: 81,973,500 km (0.102 R)
• M36: 83,874,290 km (0.066 R)
• M37: 84,422,716 km (0.112 R)
• M38: 85,249,843 km (0.041 R)
• M39: 86,082,355 km (0.101 R)
• M40: 89,181,275 km (0.115 R)
• M41: 93,525,746 km (0.068 R)
• M42: 96,799,845 km (0.074 R)
• M43: 97,101,285 km (0.045 R)
• M44: 102,633,714 km (0.065 R)

Kuiper Belt

Range: 31.2 - 47.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 406 - 17,508 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit