🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.81

Radius: 0.92

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 0.44 AU - 0.66 AU

Year: 144 Days

Day: 31.8 Hours

Environment

Temp: 208 °C

Axial Tilt: 9.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 74,826,211 km

• M1: 83,176 km (0.119 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.21 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.45

Radius: 1.64

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 1.16 AU - 1.26 AU

Year: 470 Days

Day: 30.8 Hours

Environment

Temp: 28 °C

Axial Tilt: 6.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.67

Radius: 1.23

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 1.32 AU - 1.9 AU

Year: 721 Days

Day: 32 Hours

Environment

Temp: -28 °C

Axial Tilt: 29.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.41

Radius: 0.7

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 2.28 AU - 2.74 AU

Year: 1404 Days

Day: 25.3 Hours

Environment

Temp: -73 °C

Axial Tilt: 35.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.95 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.75

Radius: 1.86

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 3.03 AU - 4.87 AU

Year: 2772 Days

Day: 36.9 Hours

Environment

Temp: -106 °C

Axial Tilt: 22.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.72 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 7.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 781.7

Radius: 13.9

Gravity: 4.05 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 7.4 AU - 7.58 AU

Year: 7238 Days

Day: 14.1 Hours

Environment

Temp: -148 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 74,826,211 km

• M1: 172,935 km (0.077 R)
• M2: 662,120 km (0.096 R)
• M3: 1,359,097 km (0.044 R)
• M4: 2,002,218 km (0.11 R)
• M5: 2,449,516 km (0.12 R)
• M6: 3,046,561 km (0.084 R)
• M7: 3,528,266 km (0.062 R)
• M8: 4,400,721 km (0.088 R)
• M9: 5,859,001 km (0.11 R)
• M10: 7,121,008 km (0.115 R)
• M11: 7,618,870 km (0.105 R)
• M12: 8,557,148 km (0.083 R)
• M13: 10,036,222 km (0.071 R)
• M14: 13,096,097 km (0.081 R)
• M15: 13,554,165 km (0.057 R)
• M16: 15,685,786 km (0.093 R)
• M17: 16,664,604 km (0.083 R)
• M18: 21,147,155 km (0.118 R)
• M19: 24,518,044 km (0.103 R)
• M20: 25,039,692 km (0.058 R)
• M21: 28,997,902 km (0.099 R)
• M22: 33,996,266 km (0.088 R)
• M23: 34,536,464 km (0.111 R)
• M24: 36,416,610 km (0.105 R)
• M25: 36,868,694 km (0.083 R)
• M26: 39,660,340 km (0.062 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 895

Radius: 11.3

Gravity: 7.01 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 7.76 AU - 9.5 AU

Year: 8952 Days

Day: 9.5 Hours

Environment

Temp: -172 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 74,826,211 km

• M1: 140,472 km (0.061 R)
• M2: 1,657,395 km (0.101 R)
• M3: 2,116,211 km (0.106 R)
• M4: 3,364,606 km (0.068 R)
• M5: 4,303,033 km (0.12 R)
• M6: 5,677,239 km (0.092 R)
• M7: 6,098,507 km (0.058 R)
• M8: 7,123,252 km (0.039 R)
• M9: 10,415,303 km (0.116 R)
• M10: 13,778,712 km (0.026 R)
• M11: 15,876,822 km (0.041 R)
• M12: 18,711,851 km (0.103 R)
• M13: 21,193,830 km (0.061 R)
• M14: 27,790,497 km (0.063 R)
• M15: 28,192,766 km (0.112 R)
• M16: 38,676,286 km (0.114 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 814.6

Radius: 3.8

Gravity: 56.41 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 12.4 AU - 14.98 AU

Year: 17886 Days

Day: 20.4 Hours

Environment

Temp: -184 °C

Axial Tilt: 122.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 74,826,211 km

• M1: 49,517 km (0.106 R)
• M2: 193,280 km (0.116 R)
• M3: 359,334 km (0.087 R)
• M4: 513,121 km (0.09 R)
• M5: 672,742 km (0.12 R)
• M6: 1,080,994 km (0.115 R)
• M7: 1,215,632 km (0.112 R)
• M8: 1,760,169 km (0.1 R)
• M9: 2,661,945 km (0.029 R)
• M10: 5,469,597 km (0.063 R)
• M11: 7,184,438 km (0.105 R)
• M12: 8,163,107 km (0.113 R)
• M13: 8,953,133 km (0.115 R)
• M14: 13,109,411 km (0.113 R)
• M15: 13,678,332 km (0.104 R)
• M16: 18,042,251 km (0.093 R)
• M17: 25,477,265 km (0.09 R)
• M18: 27,842,258 km (0.071 R)
• M19: 29,982,405 km (0.117 R)
• M20: 33,788,773 km (0.083 R)
• M21: 36,359,014 km (0.113 R)
• M22: 37,056,440 km (0.051 R)
• M23: 39,347,980 km (0.085 R)
• M24: 44,845,552 km (0.12 R)
• M25: 48,110,376 km (0.054 R)
• M26: 54,017,846 km (0.084 R)
• M27: 68,507,298 km (0.117 R)
• M28: 73,932,464 km (0.084 R)

Kuiper Belt

Range: 31.1 - 57.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 237 - 16,273 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit