🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.56

Radius: 1.19

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 0.51 AU - 0.53 AU

Year: 133 Days

Day: 22.5 Hours

Environment

Temp: 203 °C

Axial Tilt: 42.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 39,772,671 km

• M1: 72,555 km (0.062 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.43 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.31

Radius: 0.63

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 1.09 AU - 1.77 AU

Year: 607 Days

Day: 34 Hours

Environment

Temp: 11 °C

Axial Tilt: 5.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.86

Radius: 0.94

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 2.31 AU - 2.55 AU

Year: 1344 Days

Day: 47.6 Hours

Environment

Temp: -69 °C

Axial Tilt: 92.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.92 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.66

Radius: 1.48

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 2.44 AU - 3.4 AU

Year: 1770 Days

Day: 25.4 Hours

Environment

Temp: -93 °C

Axial Tilt: 46.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 39,772,671 km

• M1: 1,492,388 km (0.114 R)

Planet 5 - Terrestrial

Semi-Major Axis: 4.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1

Radius: 1

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 4.36 AU - 4.92 AU

Year: 3546 Days

Day: 12.2 Hours

Environment

Temp: -123 °C

Axial Tilt: 48.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.87 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 7.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 721

Radius: 8

Gravity: 11.27 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 6.78 AU - 7.4 AU

Year: 6697 Days

Day: 7.8 Hours

Environment

Temp: -162 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 39,772,671 km

• M1: 101,577 km (0.086 R)
• M2: 882,179 km (0.104 R)
• M3: 1,274,125 km (0.063 R)
• M4: 2,877,066 km (0.063 R)
• M5: 3,292,051 km (0.088 R)
• M6: 5,066,431 km (0.103 R)
• M7: 11,046,456 km (0.085 R)
• M8: 12,169,188 km (0.091 R)
• M9: 13,935,640 km (0.116 R)
• M10: 17,226,344 km (0.098 R)
• M11: 17,696,531 km (0.051 R)
• M12: 18,382,886 km (0.056 R)
• M13: 19,590,440 km (0.096 R)
• M14: 21,383,819 km (0.052 R)
• M15: 22,558,761 km (0.112 R)
• M16: 25,208,288 km (0.073 R)
• M17: 26,696,937 km (0.1 R)
• M18: 30,722,316 km (0.036 R)
• M19: 34,920,631 km (0.104 R)
• M20: 35,673,707 km (0.077 R)

Planet 7 - Ice Giant

Semi-Major Axis: 16.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 950.6

Radius: 5.4

Gravity: 32.6 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 15.7 AU - 17.88 AU

Year: 24407 Days

Day: 25 Hours

Environment

Temp: -183 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 39,772,671 km

• M1: 67,319 km (0.117 R)
• M2: 526,435 km (0.078 R)
• M3: 796,459 km (0.089 R)
• M4: 1,070,522 km (0.12 R)
• M5: 1,245,552 km (0.076 R)
• M6: 5,174,590 km (0.03 R)
• M7: 6,173,156 km (0.114 R)
• M8: 6,645,137 km (0.075 R)
• M9: 6,989,512 km (0.111 R)
• M10: 7,660,608 km (0.081 R)
• M11: 8,659,622 km (0.077 R)
• M12: 8,951,787 km (0.088 R)
• M13: 9,250,534 km (0.111 R)
• M14: 10,980,334 km (0.063 R)
• M15: 11,672,374 km (0.101 R)
• M16: 12,466,589 km (0.038 R)
• M17: 12,914,784 km (0.112 R)
• M18: 14,815,126 km (0.096 R)
• M19: 15,065,104 km (0.09 R)
• M20: 16,446,042 km (0.099 R)
• M21: 16,985,043 km (0.103 R)
• M22: 17,535,713 km (0.1 R)
• M23: 18,288,190 km (0.095 R)
• M24: 18,672,507 km (0.11 R)
• M25: 19,857,621 km (0.094 R)
• M26: 24,284,821 km (0.115 R)
• M27: 27,911,821 km (0.087 R)
• M28: 28,165,689 km (0.079 R)
• M29: 35,767,056 km (0.109 R)
• M30: 40,438,399 km (0.093 R)
• M31: 41,254,455 km (0.113 R)
• M32: 44,111,475 km (0.076 R)
• M33: 66,069,301 km (0.069 R)
• M34: 71,380,923 km (0.094 R)
• M35: 78,727,375 km (0.099 R)
• M36: 84,424,062 km (0.069 R)
• M37: 84,689,299 km (0.037 R)
• M38: 86,024,012 km (0.093 R)
• M39: 93,191,246 km (0.076 R)
• M40: 96,050,510 km (0.099 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 55.6

Radius: 5.3

Gravity: 1.98 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 16.81 AU - 18.69 AU

Year: 26530 Days

Day: 22 Hours

Environment

Temp: -197 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 39,772,671 km

• M1: 141,669 km (0.082 R)
• M2: 334,052 km (0.067 R)
• M3: 664,215 km (0.105 R)
• M4: 2,684,085 km (0.077 R)
• M5: 4,294,506 km (0.1 R)
• M6: 4,766,039 km (0.046 R)
• M7: 4,999,561 km (0.11 R)
• M8: 8,472,176 km (0.103 R)
• M9: 8,946,252 km (0.119 R)
• M10: 10,920,196 km (0.07 R)
• M11: 14,579,808 km (0.117 R)
• M12: 16,617,032 km (0.037 R)
• M13: 17,019,002 km (0.1 R)
• M14: 20,934,128 km (0.041 R)
• M15: 23,853,380 km (0.091 R)
• M16: 24,108,146 km (0.045 R)
• M17: 25,943,412 km (0.096 R)
• M18: 26,484,358 km (0.047 R)
• M19: 27,217,238 km (0.092 R)
• M20: 32,107,443 km (0.1 R)
• M21: 33,256,654 km (0.096 R)
• M22: 33,788,025 km (0.055 R)

Kuiper Belt

Range: 30.9 - 46.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 151 - 17,249 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit