🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.15

Radius: 1.77

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 1.66 AU - 2.16 AU

Year: 955 Days

Day: 37.2 Hours

Environment

Temp: -49 °C

Axial Tilt: 21.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.81 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 5.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 950.2

Radius: 14.5

Gravity: 4.52 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 5.34 AU - 6.06 AU

Year: 4922 Days

Day: 13.4 Hours

Environment

Temp: -148 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 62,079,343 km

• M1: 183,108 km (0.11 R)
• M2: 655,837 km (0.12 R)
• M3: 1,226,104 km (0.097 R)
• M4: 1,713,793 km (0.106 R)
• M5: 2,254,141 km (0.087 R)
• M6: 2,927,182 km (0.054 R)
• M7: 4,127,405 km (0.117 R)
• M8: 5,058,802 km (0.083 R)
• M9: 5,604,684 km (0.117 R)
• M10: 6,781,571 km (0.114 R)
• M11: 7,267,764 km (0.109 R)
• M12: 8,349,656 km (0.118 R)
• M13: 9,240,212 km (0.078 R)
• M14: 11,992,364 km (0.114 R)
• M15: 12,915,083 km (0.087 R)
• M16: 14,274,479 km (0.117 R)
• M17: 14,960,086 km (0.115 R)
• M18: 16,833,201 km (0.079 R)
• M19: 18,520,964 km (0.083 R)
• M20: 22,307,286 km (0.031 R)
• M21: 23,231,203 km (0.031 R)
• M22: 25,652,893 km (0.116 R)
• M23: 26,667,167 km (0.106 R)
• M24: 27,972,408 km (0.046 R)
• M25: 33,025,525 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 6.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 769.8

Radius: 8.7

Gravity: 10.17 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 4.94 AU - 7.34 AU

Year: 5502 Days

Day: 7.2 Hours

Environment

Temp: -152 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 62,079,343 km

• M1: 108,758 km (0.036 R)
• M2: 399,726 km (0.045 R)
• M3: 1,082,789 km (0.105 R)
• M4: 1,638,545 km (0.075 R)
• M5: 1,967,511 km (0.052 R)
• M6: 2,440,839 km (0.082 R)
• M7: 3,375,975 km (0.098 R)
• M8: 4,178,269 km (0.099 R)
• M9: 4,506,636 km (0.034 R)
• M10: 6,028,645 km (0.042 R)
• M11: 6,785,759 km (0.074 R)
• M12: 7,098,718 km (0.112 R)
• M13: 10,595,868 km (0.078 R)
• M14: 11,647,092 km (0.098 R)
• M15: 12,661,665 km (0.073 R)
• M16: 13,679,080 km (0.043 R)
• M17: 15,276,336 km (0.097 R)
• M18: 17,768,487 km (0.117 R)
• M19: 19,042,163 km (0.067 R)
• M20: 23,701,239 km (0.12 R)
• M21: 25,160,267 km (0.103 R)
• M22: 28,705,288 km (0.088 R)
• M23: 30,268,137 km (0.083 R)
• M24: 30,643,927 km (0.09 R)

Planet 4 - Ice Giant

Semi-Major Axis: 17.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 201.4

Radius: 7.7

Gravity: 3.4 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 15.17 AU - 20.45 AU

Year: 27182 Days

Day: 18.3 Hours

Environment

Temp: -195 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 62,079,343 km

• M1: 96,191 km (0.086 R)
• M2: 354,397 km (0.087 R)
• M3: 1,223,262 km (0.099 R)
• M4: 1,889,272 km (0.103 R)
• M5: 2,405,235 km (0.12 R)
• M6: 4,753,921 km (0.081 R)
• M7: 5,484,557 km (0.115 R)
• M8: 6,613,572 km (0.053 R)
• M9: 9,640,685 km (0.109 R)
• M10: 28,948,086 km (0.119 R)
• M11: 31,950,515 km (0.06 R)
• M12: 33,036,446 km (0.093 R)
• M13: 36,441,443 km (0.114 R)
• M14: 39,658,545 km (0.114 R)
• M15: 42,914,393 km (0.111 R)
• M16: 44,087,540 km (0.119 R)
• M17: 48,835,327 km (0.119 R)
• M18: 59,151,447 km (0.078 R)
• M19: 59,512,277 km (0.112 R)

Kuiper Belt

Range: 30.3 - 45.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 281 - 16,751 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit