🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.46

Radius: 0.73

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 0.51 AU - 0.57 AU

Year: 142 Days

Day: 26.9 Hours

Environment

Temp: 203 °C

Axial Tilt: 12.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 2.08 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.23

Radius: 0.56

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 1.86 AU - 2.3 AU

Year: 1074 Days

Day: 21.5 Hours

Environment

Temp: -70 °C

Axial Tilt: 22.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.98

Radius: 0.99

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 2.12 AU - 2.12 AU

Year: 1106 Days

Day: 25.2 Hours

Environment

Temp: -63 °C

Axial Tilt: 2.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.88 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 9.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 21.3

Radius: 8.8

Gravity: 0.28 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 7.36 AU - 11.92 AU

Year: 10720 Days

Day: 14.8 Hours

Environment

Temp: -180 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 106,408,132 km

• M1: 137,181 km (0.099 R)
• M2: 810,820 km (0.098 R)
• M3: 1,472,492 km (0.116 R)
• M4: 2,022,563 km (0.118 R)
• M5: 2,848,044 km (0.107 R)
• M6: 3,828,060 km (0.112 R)
• M7: 5,215,281 km (0.118 R)
• M8: 8,288,171 km (0.108 R)
• M9: 12,801,987 km (0.117 R)
• M10: 13,173,289 km (0.063 R)

Planet 5 - Gas Giant

Semi-Major Axis: 9.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 725.1

Radius: 13.2

Gravity: 4.16 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 8.65 AU - 10.99 AU

Year: 11022 Days

Day: 10.7 Hours

Environment

Temp: -173 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 106,408,132 km

• M1: 164,857 km (0.099 R)
• M2: 1,757,476 km (0.076 R)
• M3: 4,180,961 km (0.09 R)
• M4: 5,123,278 km (0.109 R)
• M5: 5,662,579 km (0.117 R)
• M6: 8,031,760 km (0.082 R)
• M7: 9,046,782 km (0.044 R)
• M8: 9,735,979 km (0.073 R)
• M9: 12,427,993 km (0.061 R)
• M10: 13,721,117 km (0.076 R)
• M11: 15,721,539 km (0.093 R)
• M12: 17,986,002 km (0.106 R)
• M13: 18,760,770 km (0.069 R)
• M14: 22,436,838 km (0.067 R)
• M15: 24,537,940 km (0.044 R)
• M16: 28,291,800 km (0.119 R)
• M17: 29,552,611 km (0.116 R)
• M18: 51,656,743 km (0.116 R)

Planet 6 - Gas Giant

Semi-Major Axis: 11.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 384.2

Radius: 12.8

Gravity: 2.34 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 9.58 AU - 13.22 AU

Year: 13786 Days

Day: 9.6 Hours

Environment

Temp: -188 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 106,408,132 km

• M1: 162,314 km (0.099 R)
• M2: 651,050 km (0.116 R)
• M3: 1,288,935 km (0.077 R)
• M4: 2,027,051 km (0.086 R)
• M5: 2,455,200 km (0.108 R)
• M6: 3,985,586 km (0.058 R)
• M7: 4,786,833 km (0.095 R)
• M8: 5,489,344 km (0.119 R)
• M9: 6,333,226 km (0.095 R)
• M10: 6,786,657 km (0.115 R)
• M11: 7,844,164 km (0.053 R)
• M12: 8,684,306 km (0.034 R)
• M13: 9,930,007 km (0.107 R)
• M14: 11,128,286 km (0.027 R)
• M15: 11,903,652 km (0.107 R)
• M16: 12,833,553 km (0.073 R)
• M17: 13,936,837 km (0.112 R)
• M18: 14,382,489 km (0.079 R)
• M19: 15,504,922 km (0.034 R)
• M20: 16,756,158 km (0.117 R)
• M21: 17,406,460 km (0.104 R)
• M22: 22,008,988 km (0.07 R)
• M23: 26,000,110 km (0.067 R)
• M24: 27,464,224 km (0.039 R)
• M25: 32,408,135 km (0.103 R)
• M26: 42,800,998 km (0.026 R)

Planet 7 - Ice Giant

Semi-Major Axis: 20.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 696.3

Radius: 3.7

Gravity: 50.86 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 15.48 AU - 25.16 AU

Year: 32806 Days

Day: 19 Hours

Environment

Temp: -208 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 106,408,132 km

• M1: 47,423 km (0.117 R)
• M2: 216,319 km (0.102 R)
• M3: 344,225 km (0.053 R)
• M4: 708,645 km (0.07 R)
• M5: 846,874 km (0.085 R)
• M6: 1,031,029 km (0.108 R)
• M7: 1,498,073 km (0.115 R)
• M8: 2,116,361 km (0.1 R)
• M9: 2,233,945 km (0.064 R)
• M10: 2,560,368 km (0.115 R)
• M11: 4,263,539 km (0.085 R)
• M12: 4,451,733 km (0.087 R)
• M13: 4,764,393 km (0.077 R)
• M14: 5,175,638 km (0.11 R)
• M15: 5,745,157 km (0.056 R)
• M16: 7,814,095 km (0.089 R)
• M17: 8,983,352 km (0.118 R)
• M18: 12,406,750 km (0.116 R)
• M19: 13,421,173 km (0.09 R)
• M20: 14,915,207 km (0.087 R)
• M21: 19,128,033 km (0.059 R)
• M22: 19,536,884 km (0.104 R)
• M23: 21,230,930 km (0.071 R)
• M24: 24,666,295 km (0.119 R)
• M25: 25,272,615 km (0.113 R)
• M26: 27,279,770 km (0.095 R)
• M27: 35,752,096 km (0.119 R)
• M28: 43,849,230 km (0.085 R)
• M29: 44,738,290 km (0.076 R)
• M30: 45,820,930 km (0.096 R)
• M31: 59,120,779 km (0.108 R)
• M32: 61,968,225 km (0.052 R)
• M33: 72,776,223 km (0.112 R)
• M34: 73,771,348 km (0.031 R)
• M35: 80,461,963 km (0.089 R)
• M36: 97,420,377 km (0.089 R)
• M37: 100,459,907 km (0.077 R)
• M38: 101,383,973 km (0.07 R)

Kuiper Belt

Range: 30.6 - 56.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 407 - 16,494 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit