🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.58

Radius: 0.8

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 0.5 AU - 0.6 AU

Year: 170 Days

Day: 22.4 Hours

Environment

Temp: 115 °C

Axial Tilt: 21.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.81 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.62

Radius: 1.67

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.65 AU - 0.97 AU

Year: 303 Days

Day: 47 Hours

Environment

Temp: -2 °C

Axial Tilt: 119.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 0.83 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.57

Radius: 1.66

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 0.62 AU - 1.04 AU

Year: 315 Days

Day: 28.8 Hours

Environment

Temp: 9 °C

Axial Tilt: 6.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 48,408,461 km

• M1: 47,273 km (0.061 R)
• M2: 226,042 km (0.096 R)

Asteroid Belt

Center: 1.36 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Terrestrial

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.63

Radius: 0.83

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 1.76 AU - 2 AU

Year: 1073 Days

Day: 26.2 Hours

Environment

Temp: -92 °C

Axial Tilt: 11.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.92 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.96

Radius: 1.54

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 2.72 AU - 3.12 AU

Year: 2077 Days

Day: 46.6 Hours

Environment

Temp: -134 °C

Axial Tilt: 48 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 48,408,461 km

• M1: 1,144,274 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 394.1

Radius: 8.8

Gravity: 5.09 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 5.35 AU - 5.91 AU

Year: 5560 Days

Day: 14.5 Hours

Environment

Temp: -161 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 48,408,461 km

• M1: 109,506 km (0.052 R)
• M2: 462,407 km (0.108 R)
• M3: 1,083,089 km (0.073 R)
• M4: 1,480,421 km (0.09 R)
• M5: 1,814,921 km (0.117 R)
• M6: 2,523,417 km (0.03 R)
• M7: 2,968,620 km (0.102 R)
• M8: 3,425,342 km (0.075 R)
• M9: 4,016,703 km (0.114 R)
• M10: 4,799,100 km (0.106 R)
• M11: 5,134,049 km (0.111 R)
• M12: 5,707,907 km (0.09 R)
• M13: 6,415,654 km (0.099 R)
• M14: 6,758,981 km (0.062 R)
• M15: 7,516,695 km (0.075 R)
• M16: 8,366,411 km (0.031 R)
• M17: 13,650,357 km (0.094 R)
• M18: 16,136,225 km (0.094 R)
• M19: 17,485,747 km (0.031 R)
• M20: 20,208,129 km (0.06 R)
• M21: 20,676,520 km (0.101 R)
• M22: 23,937,006 km (0.065 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 641.2

Radius: 14.8

Gravity: 2.93 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 7.86 AU - 11.96 AU

Year: 12985 Days

Day: 13.5 Hours

Environment

Temp: -183 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 48,408,461 km

• M1: 184,005 km (0.102 R)
• M2: 992,133 km (0.051 R)
• M3: 1,471,744 km (0.073 R)
• M4: 2,672,716 km (0.104 R)
• M5: 7,562,771 km (0.063 R)
• M6: 8,559,392 km (0.102 R)
• M7: 9,438,728 km (0.116 R)
• M8: 10,485,464 km (0.074 R)
• M9: 11,149,828 km (0.116 R)
• M10: 12,624,564 km (0.09 R)
• M11: 13,764,350 km (0.049 R)
• M12: 14,561,707 km (0.119 R)
• M13: 16,839,185 km (0.041 R)
• M14: 18,777,076 km (0.092 R)
• M15: 20,092,789 km (0.082 R)
• M16: 20,859,628 km (0.11 R)
• M17: 22,907,922 km (0.084 R)
• M18: 23,839,019 km (0.106 R)
• M19: 25,876,692 km (0.026 R)
• M20: 27,298,021 km (0.084 R)
• M21: 30,741,764 km (0.072 R)
• M22: 32,451,817 km (0.094 R)
• M23: 46,238,009 km (0.116 R)
• M24: 46,977,621 km (0.095 R)
• M25: 50,638,131 km (0.076 R)
• M26: 52,058,563 km (0.075 R)
• M27: 55,475,977 km (0.072 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 155.3

Radius: 4.3

Gravity: 8.4 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 12.26 AU - 15.32 AU

Year: 21315 Days

Day: 21.4 Hours

Environment

Temp: -197 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 48,408,461 km

• M1: 54,005 km (0.114 R)
• M2: 330,761 km (0.08 R)
• M3: 547,528 km (0.108 R)
• M4: 836,551 km (0.075 R)
• M5: 1,507,947 km (0.106 R)
• M6: 2,522,669 km (0.052 R)
• M7: 5,203,164 km (0.061 R)
• M8: 6,581,708 km (0.099 R)
• M9: 8,142,463 km (0.073 R)
• M10: 9,198,324 km (0.094 R)
• M11: 9,439,326 km (0.098 R)
• M12: 11,137,412 km (0.037 R)
• M13: 11,689,727 km (0.033 R)
• M14: 12,670,192 km (0.117 R)
• M15: 12,968,639 km (0.087 R)
• M16: 14,858,958 km (0.052 R)
• M17: 15,732,161 km (0.076 R)
• M18: 16,286,421 km (0.075 R)
• M19: 19,967,576 km (0.05 R)
• M20: 22,388,219 km (0.101 R)
• M21: 23,177,348 km (0.11 R)
• M22: 25,466,794 km (0.081 R)
• M23: 29,854,349 km (0.037 R)
• M24: 34,142,273 km (0.077 R)
• M25: 35,069,780 km (0.061 R)
• M26: 37,096,382 km (0.066 R)
• M27: 37,584,221 km (0.086 R)
• M28: 39,578,809 km (0.085 R)
• M29: 39,832,976 km (0.091 R)
• M30: 40,990,415 km (0.095 R)
• M31: 41,774,158 km (0.07 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 409 - 19,040 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit