🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.33 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.34

Radius: 1.41

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 1.08 AU - 1.58 AU

Year: 563 Days

Day: 26 Hours

Environment

Temp: -15 °C

Axial Tilt: 15.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.3

Radius: 1.61

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 1.16 AU - 1.7 AU

Year: 628 Days

Day: 23.3 Hours

Environment

Temp: -40 °C

Axial Tilt: 44 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 39,473,715 km

• M1: 52,060 km (0.079 R)
• M2: 1,170,304 km (0.063 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.82

Radius: 1.27

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 1.39 AU - 2.29 AU

Year: 916 Days

Day: 36.5 Hours

Environment

Temp: -57 °C

Axial Tilt: 37.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.19 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Terrestrial

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.71

Radius: 0.87

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 2.11 AU - 2.95 AU

Year: 1477 Days

Day: 16.7 Hours

Environment

Temp: -96 °C

Axial Tilt: 20.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.02 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.79

Radius: 0.91

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 3.82 AU - 4.22 AU

Year: 2959 Days

Day: 44.1 Hours

Environment

Temp: -117 °C

Axial Tilt: 4.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.34 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 6.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 22.5

Radius: 10.9

Gravity: 0.19 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 5.05 AU - 8.27 AU

Year: 6309 Days

Day: 9 Hours

Environment

Temp: -148 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 39,473,715 km

• M1: 172,486 km (0.08 R)
• M2: 1,098,946 km (0.084 R)
• M3: 1,633,010 km (0.088 R)
• M4: 2,743,475 km (0.052 R)
• M5: 3,115,376 km (0.078 R)
• M6: 4,404,760 km (0.077 R)
• M7: 4,804,784 km (0.113 R)
• M8: 5,741,417 km (0.1 R)
• M9: 7,921,506 km (0.113 R)
• M10: 10,130,319 km (0.08 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 151.4

Radius: 13.2

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 6.01 AU - 8.07 AU

Year: 6857 Days

Day: 5.3 Hours

Environment

Temp: -165 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 39,473,715 km

• M1: 164,109 km (0.072 R)
• M2: 786,436 km (0.115 R)
• M3: 1,216,679 km (0.105 R)
• M4: 3,686,840 km (0.048 R)
• M5: 4,642,920 km (0.08 R)
• M6: 5,470,046 km (0.095 R)
• M7: 8,938,772 km (0.063 R)
• M8: 11,747,622 km (0.106 R)
• M9: 12,817,546 km (0.043 R)
• M10: 14,146,872 km (0.081 R)
• M11: 19,956,805 km (0.065 R)

Planet 8 - Gas Giant

Semi-Major Axis: 7.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 252.9

Radius: 14.5

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 5.91 AU - 9.65 AU

Year: 7966 Days

Day: 13 Hours

Environment

Temp: -159 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 39,473,715 km

• M1: 184,005 km (0.096 R)
• M2: 874,549 km (0.089 R)
• M3: 1,655,899 km (0.054 R)
• M4: 2,189,664 km (0.089 R)
• M5: 2,785,812 km (0.094 R)
• M6: 3,678,013 km (0.088 R)
• M7: 5,449,252 km (0.093 R)
• M8: 6,492,398 km (0.116 R)
• M9: 8,934,583 km (0.107 R)
• M10: 11,652,328 km (0.081 R)
• M11: 12,619,927 km (0.1 R)
• M12: 13,328,721 km (0.093 R)
• M13: 14,441,580 km (0.084 R)
• M14: 14,992,848 km (0.099 R)
• M15: 15,962,242 km (0.12 R)
• M16: 16,432,728 km (0.032 R)
• M17: 17,278,404 km (0.025 R)
• M18: 18,601,149 km (0.104 R)
• M19: 21,094,646 km (0.119 R)
• M20: 23,727,419 km (0.032 R)
• M21: 24,651,635 km (0.066 R)
• M22: 26,002,055 km (0.084 R)

Planet 9 - Gas Giant

Semi-Major Axis: 8.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 505.6

Radius: 11.7

Gravity: 3.69 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 6.58 AU - 9.92 AU

Year: 8699 Days

Day: 5.5 Hours

Environment

Temp: -160 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 39,473,715 km

• M1: 145,559 km (0.086 R)
• M2: 520,301 km (0.045 R)
• M3: 990,488 km (0.066 R)
• M4: 1,434,195 km (0.117 R)
• M5: 3,587,806 km (0.09 R)
• M6: 5,180,425 km (0.104 R)
• M7: 6,338,312 km (0.089 R)
• M8: 9,979,375 km (0.109 R)
• M9: 11,555,239 km (0.062 R)
• M10: 12,080,178 km (0.065 R)
• M11: 12,786,280 km (0.114 R)
• M12: 13,692,992 km (0.075 R)
• M13: 14,162,131 km (0.042 R)
• M14: 18,100,146 km (0.107 R)
• M15: 18,808,791 km (0.117 R)
• M16: 19,242,774 km (0.086 R)
• M17: 24,468,826 km (0.063 R)
• M18: 27,313,729 km (0.117 R)
• M19: 31,373,067 km (0.1 R)
• M20: 36,597,174 km (0.108 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 358 - 14,390 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit