🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.6

Radius: 1.21

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 0.68 AU - 0.82 AU

Year: 247 Days

Day: 33.6 Hours

Environment

Temp: 159 °C

Axial Tilt: 14.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.07 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.93

Radius: 0.97

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.88 AU - 1.26 AU

Year: 421 Days

Day: 20.7 Hours

Environment

Temp: -8 °C

Axial Tilt: 15.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.9

Radius: 1.29

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 1.01 AU - 1.47 AU

Year: 526 Days

Day: 14.4 Hours

Environment

Temp: -31 °C

Axial Tilt: 34.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 105,388,205 km

• M1: 46,675 km (0.11 R)
• M2: 657,931 km (0.091 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.83

Radius: 1.52

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 1.96 AU - 3.12 AU

Year: 1542 Days

Day: 42.9 Hours

Environment

Temp: -94 °C

Axial Tilt: 32.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.82 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 5.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 692.2

Radius: 13.1

Gravity: 4.03 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 4.67 AU - 5.51 AU

Year: 4373 Days

Day: 11.1 Hours

Environment

Temp: -140 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 105,388,205 km

• M1: 163,062 km (0.114 R)
• M2: 729,589 km (0.046 R)
• M3: 1,395,449 km (0.109 R)
• M4: 2,061,608 km (0.058 R)
• M5: 2,493,647 km (0.058 R)
• M6: 4,081,329 km (0.074 R)
• M7: 4,525,036 km (0.05 R)
• M8: 6,083,697 km (0.111 R)
• M9: 8,863,375 km (0.114 R)
• M10: 9,491,237 km (0.057 R)
• M11: 10,661,092 km (0.112 R)
• M12: 11,417,010 km (0.033 R)
• M13: 11,972,018 km (0.112 R)
• M14: 12,593,448 km (0.091 R)
• M15: 13,848,873 km (0.1 R)
• M16: 16,962,155 km (0.054 R)
• M17: 17,381,627 km (0.113 R)
• M18: 19,979,394 km (0.105 R)
• M19: 25,150,693 km (0.072 R)

Planet 6 - Ice Giant

Semi-Major Axis: 14.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 655.1

Radius: 3.7

Gravity: 47.85 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 12.13 AU - 16.65 AU

Year: 20787 Days

Day: 19.9 Hours

Environment

Temp: -201 °C

Axial Tilt: 101.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 105,388,205 km

• M1: 46,076 km (0.093 R)
• M2: 315,951 km (0.075 R)
• M3: 437,125 km (0.118 R)
• M4: 616,044 km (0.11 R)
• M5: 1,366,128 km (0.064 R)
• M6: 1,509,143 km (0.092 R)
• M7: 2,962,038 km (0.119 R)
• M8: 3,573,145 km (0.119 R)
• M9: 4,467,142 km (0.058 R)
• M10: 4,641,124 km (0.104 R)
• M11: 4,819,744 km (0.087 R)
• M12: 5,905,675 km (0.056 R)
• M13: 9,313,215 km (0.111 R)
• M14: 10,303,254 km (0.072 R)
• M15: 16,733,569 km (0.047 R)
• M16: 25,409,348 km (0.116 R)
• M17: 31,196,542 km (0.11 R)
• M18: 39,404,678 km (0.083 R)
• M19: 45,446,188 km (0.038 R)
• M20: 46,757,263 km (0.114 R)
• M21: 50,144,907 km (0.102 R)
• M22: 50,841,584 km (0.101 R)
• M23: 52,790,396 km (0.098 R)
• M24: 60,689,911 km (0.115 R)
• M25: 62,881,670 km (0.08 R)
• M26: 65,125,488 km (0.114 R)
• M27: 68,911,511 km (0.073 R)

Planet 7 - Ice Giant

Semi-Major Axis: 17.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 963

Radius: 6.1

Gravity: 25.88 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 13.96 AU - 20.72 AU

Year: 27496 Days

Day: 22.5 Hours

Environment

Temp: -203 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 105,388,205 km

• M1: 78,988 km (0.07 R)
• M2: 334,950 km (0.107 R)
• M3: 731,833 km (0.085 R)
• M4: 1,181,973 km (0.028 R)
• M5: 3,063,914 km (0.076 R)
• M6: 3,929,637 km (0.112 R)
• M7: 4,438,120 km (0.046 R)
• M8: 5,239,067 km (0.11 R)
• M9: 6,468,163 km (0.09 R)
• M10: 6,765,414 km (0.086 R)
• M11: 7,767,271 km (0.098 R)
• M12: 8,744,444 km (0.063 R)
• M13: 11,722,489 km (0.104 R)
• M14: 12,239,499 km (0.108 R)
• M15: 12,465,691 km (0.061 R)
• M16: 18,669,665 km (0.066 R)
• M17: 20,096,679 km (0.075 R)
• M18: 23,512,597 km (0.043 R)
• M19: 27,424,880 km (0.107 R)
• M20: 28,203,687 km (0.103 R)
• M21: 28,731,169 km (0.069 R)
• M22: 30,078,297 km (0.077 R)
• M23: 34,973,589 km (0.113 R)
• M24: 39,383,435 km (0.093 R)
• M25: 39,711,952 km (0.093 R)
• M26: 40,541,173 km (0.091 R)
• M27: 43,097,950 km (0.078 R)
• M28: 48,154,358 km (0.104 R)
• M29: 48,718,641 km (0.08 R)
• M30: 52,196,343 km (0.088 R)
• M31: 59,425,660 km (0.075 R)
• M32: 59,857,848 km (0.043 R)
• M33: 60,728,508 km (0.112 R)
• M34: 75,071,054 km (0.049 R)
• M35: 75,576,096 km (0.025 R)
• M36: 82,617,369 km (0.085 R)
• M37: 83,967,490 km (0.074 R)
• M38: 85,606,933 km (0.086 R)
• M39: 88,106,115 km (0.073 R)
• M40: 94,712,955 km (0.105 R)
• M41: 100,413,681 km (0.103 R)
• M42: 101,642,328 km (0.073 R)
• M43: 104,443,249 km (0.109 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 157 - 18,663 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit