🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.62

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 0.62 AU - 0.88 AU

Year: 247 Days

Day: 24.9 Hours

Environment

Temp: 88 °C

Axial Tilt: 19.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.17 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.71

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 1.04 AU - 1.3 AU

Year: 482 Days

Day: 32.8 Hours

Environment

Temp: -19 °C

Axial Tilt: 45.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 63,196,970 km

• M1: 108,758 km (0.098 R)
• M2: 1,057,657 km (0.043 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.89

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 2.37 AU - 2.85 AU

Year: 1606 Days

Day: 18.2 Hours

Environment

Temp: -105 °C

Axial Tilt: 4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.07 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 365.2

Radius: 13.4

Gravity: 2.03 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 4.2 AU - 6.86 AU

Year: 4952 Days

Day: 14.5 Hours

Environment

Temp: -148 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 63,196,970 km

• M1: 166,652 km (0.097 R)
• M2: 737,817 km (0.056 R)
• M3: 1,351,168 km (0.118 R)
• M4: 1,969,456 km (0.079 R)
• M5: 7,696,810 km (0.095 R)
• M6: 8,138,423 km (0.08 R)
• M7: 8,560,888 km (0.04 R)
• M8: 9,721,169 km (0.097 R)
• M9: 10,564,901 km (0.069 R)
• M10: 13,246,143 km (0.105 R)
• M11: 15,374,173 km (0.076 R)
• M12: 15,912,875 km (0.111 R)
• M13: 16,408,343 km (0.108 R)
• M14: 17,199,566 km (0.088 R)
• M15: 17,897,740 km (0.108 R)
• M16: 19,475,698 km (0.052 R)
• M17: 20,042,973 km (0.094 R)
• M18: 22,698,784 km (0.08 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 888.5

Radius: 14.5

Gravity: 4.23 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 5.2 AU - 8.28 AU

Year: 6663 Days

Day: 7.8 Hours

Environment

Temp: -162 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 63,196,970 km

• M1: 180,265 km (0.109 R)
• M2: 715,527 km (0.063 R)
• M3: 1,481,169 km (0.116 R)
• M4: 2,063,553 km (0.111 R)
• M5: 2,553,336 km (0.091 R)
• M6: 3,163,696 km (0.086 R)
• M7: 3,702,248 km (0.074 R)
• M8: 4,171,836 km (0.113 R)
• M9: 5,293,072 km (0.097 R)
• M10: 9,147,012 km (0.114 R)
• M11: 9,687,509 km (0.103 R)
• M12: 11,133,074 km (0.103 R)
• M13: 12,444,000 km (0.103 R)
• M14: 13,507,341 km (0.078 R)
• M15: 14,997,785 km (0.051 R)
• M16: 17,883,827 km (0.117 R)
• M17: 22,068,977 km (0.075 R)
• M18: 23,963,036 km (0.085 R)
• M19: 25,167,747 km (0.059 R)
• M20: 27,791,096 km (0.066 R)
• M21: 30,194,984 km (0.118 R)
• M22: 38,119,482 km (0.09 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 333.6

Radius: 10.8

Gravity: 2.86 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 7.02 AU - 9.46 AU

Year: 9007 Days

Day: 12.9 Hours

Environment

Temp: -182 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 63,196,970 km

• M1: 134,937 km (0.062 R)
• M2: 507,436 km (0.099 R)
• M3: 1,006,644 km (0.104 R)
• M4: 1,499,270 km (0.111 R)
• M5: 2,584,752 km (0.114 R)
• M6: 3,201,095 km (0.07 R)
• M7: 3,748,923 km (0.085 R)
• M8: 4,646,809 km (0.092 R)
• M9: 5,004,348 km (0.09 R)
• M10: 5,380,287 km (0.045 R)
• M11: 8,126,456 km (0.096 R)
• M12: 11,151,474 km (0.049 R)
• M13: 11,947,634 km (0.046 R)
• M14: 13,103,577 km (0.075 R)
• M15: 15,882,357 km (0.045 R)
• M16: 18,276,521 km (0.063 R)
• M17: 19,952,317 km (0.1 R)
• M18: 20,975,865 km (0.103 R)
• M19: 22,576,413 km (0.109 R)
• M20: 24,175,016 km (0.089 R)
• M21: 25,762,399 km (0.058 R)
• M22: 26,538,064 km (0.107 R)
• M23: 28,045,711 km (0.059 R)
• M24: 29,329,411 km (0.106 R)
• M25: 30,175,237 km (0.082 R)
• M26: 33,721,454 km (0.107 R)
• M27: 34,962,668 km (0.066 R)

Planet 7 - Ice Giant

Semi-Major Axis: 12.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 532.3

Radius: 3.8

Gravity: 36.86 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 11.54 AU - 13.8 AU

Year: 17174 Days

Day: 18.9 Hours

Environment

Temp: -192 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 63,196,970 km

• M1: 47,722 km (0.107 R)
• M2: 173,534 km (0.084 R)
• M3: 352,004 km (0.06 R)
• M4: 607,367 km (0.06 R)
• M5: 738,116 km (0.111 R)
• M6: 1,874,461 km (0.101 R)
• M7: 2,039,917 km (0.115 R)
• M8: 2,507,410 km (0.072 R)
• M9: 3,168,782 km (0.071 R)
• M10: 5,209,596 km (0.063 R)
• M11: 6,396,655 km (0.064 R)
• M12: 8,572,856 km (0.028 R)
• M13: 9,991,043 km (0.115 R)
• M14: 24,012,852 km (0.11 R)
• M15: 24,311,898 km (0.119 R)
• M16: 24,917,620 km (0.109 R)
• M17: 29,670,643 km (0.09 R)
• M18: 36,680,052 km (0.113 R)
• M19: 42,643,322 km (0.108 R)
• M20: 43,671,508 km (0.107 R)
• M21: 56,795,580 km (0.067 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: 408 - 15,059 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit