🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.42 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.86

Radius: 1.72

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 1.16 AU - 1.68 AU

Year: 606 Days

Day: 14.2 Hours

Environment

Temp: -20 °C

Axial Tilt: 26.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3

Radius: 1.55

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 1.46 AU - 1.94 AU

Year: 794 Days

Day: 18.1 Hours

Environment

Temp: -52 °C

Axial Tilt: 39.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.38

Radius: 1.41

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 1.76 AU - 2.84 AU

Year: 1249 Days

Day: 12.5 Hours

Environment

Temp: -72 °C

Axial Tilt: 29.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 96,931,348 km

• M1: 36,502 km (0.076 R)
• M2: 156,629 km (0.067 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.3

Radius: 1.61

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 1.91 AU - 3.11 AU

Year: 1424 Days

Day: 40.7 Hours

Environment

Temp: -89 °C

Axial Tilt: 28.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.8 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.88

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 3.64 AU - 3.96 AU

Year: 2653 Days

Day: 46.6 Hours

Environment

Temp: -112 °C

Axial Tilt: 44.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 7.43 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 11.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 134.5

Radius: 9.7

Gravity: 1.43 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 9.16 AU - 12.96 AU

Year: 13174 Days

Day: 13.3 Hours

Environment

Temp: -172 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 96,931,348 km

• M1: 120,725 km (0.079 R)
• M2: 429,495 km (0.083 R)
• M3: 845,078 km (0.043 R)
• M4: 1,213,688 km (0.117 R)
• M5: 1,865,785 km (0.032 R)
• M6: 3,763,882 km (0.12 R)
• M7: 5,491,139 km (0.103 R)
• M8: 6,429,417 km (0.056 R)
• M9: 8,783,789 km (0.071 R)
• M10: 9,754,828 km (0.1 R)
• M11: 10,153,806 km (0.043 R)
• M12: 11,909,486 km (0.114 R)
• M13: 12,468,384 km (0.111 R)
• M14: 14,137,747 km (0.102 R)
• M15: 18,113,011 km (0.097 R)
• M16: 21,636,340 km (0.1 R)
• M17: 23,165,380 km (0.118 R)
• M18: 23,876,419 km (0.084 R)
• M19: 25,176,274 km (0.093 R)
• M20: 27,126,731 km (0.063 R)
• M21: 29,542,438 km (0.106 R)
• M22: 33,180,359 km (0.1 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 556.3

Radius: 3

Gravity: 61.81 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 10.02 AU - 16.62 AU

Year: 17411 Days

Day: 24.9 Hours

Environment

Temp: -187 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 96,931,348 km

• M1: 44,431 km (0.087 R)
• M2: 322,683 km (0.07 R)
• M3: 644,916 km (0.119 R)
• M4: 2,931,221 km (0.107 R)
• M5: 3,131,383 km (0.088 R)
• M6: 5,472,739 km (0.1 R)
• M7: 7,325,957 km (0.074 R)
• M8: 9,613,159 km (0.094 R)
• M9: 12,593,149 km (0.093 R)
• M10: 15,305,059 km (0.091 R)
• M11: 16,211,772 km (0.111 R)
• M12: 17,073,904 km (0.087 R)
• M13: 22,799,912 km (0.111 R)
• M14: 25,201,257 km (0.067 R)
• M15: 28,770,363 km (0.093 R)
• M16: 34,286,785 km (0.085 R)
• M17: 47,350,568 km (0.082 R)
• M18: 47,508,394 km (0.098 R)
• M19: 49,104,753 km (0.031 R)
• M20: 52,067,838 km (0.065 R)
• M21: 55,147,759 km (0.048 R)
• M22: 55,497,369 km (0.091 R)
• M23: 60,732,846 km (0.085 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 767.4

Radius: 3.5

Gravity: 62.64 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 16.72 AU - 19.12 AU

Year: 27169 Days

Day: 20.9 Hours

Environment

Temp: -203 °C

Axial Tilt: 179.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 96,931,348 km

• M1: 46,076 km (0.062 R)
• M2: 251,474 km (0.073 R)
• M3: 411,394 km (0.052 R)
• M4: 571,763 km (0.05 R)
• M5: 1,117,945 km (0.114 R)
• M6: 1,333,366 km (0.116 R)
• M7: 1,669,063 km (0.117 R)
• M8: 2,846,847 km (0.073 R)
• M9: 3,159,208 km (0.105 R)
• M10: 4,056,795 km (0.113 R)
• M11: 4,754,968 km (0.082 R)
• M12: 5,318,055 km (0.097 R)
• M13: 6,337,863 km (0.117 R)
• M14: 7,481,240 km (0.117 R)
• M15: 8,184,799 km (0.085 R)
• M16: 8,755,215 km (0.095 R)
• M17: 9,351,662 km (0.111 R)
• M18: 9,848,028 km (0.094 R)
• M19: 10,038,616 km (0.102 R)
• M20: 11,866,103 km (0.073 R)
• M21: 12,154,528 km (0.078 R)
• M22: 13,666,663 km (0.106 R)
• M23: 16,876,884 km (0.12 R)
• M24: 17,798,257 km (0.1 R)
• M25: 19,440,692 km (0.093 R)
• M26: 20,971,228 km (0.117 R)
• M27: 22,690,556 km (0.108 R)
• M28: 29,183,852 km (0.097 R)
• M29: 38,201,163 km (0.108 R)
• M30: 38,357,492 km (0.113 R)
• M31: 57,060,069 km (0.085 R)
• M32: 57,469,368 km (0.076 R)
• M33: 58,500,846 km (0.12 R)
• M34: 62,750,772 km (0.118 R)
• M35: 63,405,412 km (0.111 R)
• M36: 65,845,054 km (0.064 R)
• M37: 70,674,821 km (0.055 R)
• M38: 78,732,611 km (0.11 R)
• M39: 93,769,142 km (0.09 R)

Kuiper Belt

Range: 30.6 - 48.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 359 - 13,293 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit