🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.98

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.5 AU - 0.72 AU

Year: 208 Days

Day: 26.7 Hours

Environment

Temp: 9 °C

Axial Tilt: 6.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 50,101,020 km

• M1: 357,240 km (0.072 R)
• M2: 461,809 km (0.049 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.14

Radius: 1.05

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 0.56 AU - 0.74 AU

Year: 229 Days

Day: 46.9 Hours

Environment

Temp: 9 °C

Axial Tilt: 19.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 50,101,020 km

• M1: 451,337 km (0.117 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.82

Radius: 1.51

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 0.82 AU - 0.84 AU

Year: 330 Days

Day: 21.5 Hours

Environment

Temp: -32 °C

Axial Tilt: 44.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 50,101,020 km

• M1: 219,610 km (0.045 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.73

Radius: 1.25

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 1.15 AU - 1.23 AU

Year: 567 Days

Day: 24.3 Hours

Environment

Temp: -76 °C

Axial Tilt: 15.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.3

Radius: 1.61

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 1.87 AU - 2.39 AU

Year: 1357 Days

Day: 36.7 Hours

Environment

Temp: -127 °C

Axial Tilt: 33.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.74 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 3.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 916.1

Radius: 10.9

Gravity: 7.71 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 3.08 AU - 3.6 AU

Year: 2665 Days

Day: 8 Hours

Environment

Temp: -161 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 50,101,020 km

• M1: 147,055 km (0.113 R)
• M2: 553,961 km (0.082 R)
• M3: 997,369 km (0.081 R)
• M4: 1,454,690 km (0.082 R)
• M5: 2,584,453 km (0.046 R)
• M6: 3,156,365 km (0.071 R)
• M7: 3,634,331 km (0.104 R)
• M8: 4,829,917 km (0.102 R)
• M9: 6,270,844 km (0.046 R)
• M10: 6,701,386 km (0.086 R)
• M11: 7,244,127 km (0.115 R)
• M12: 8,013,210 km (0.039 R)
• M13: 8,694,778 km (0.089 R)
• M14: 11,515,296 km (0.065 R)
• M15: 17,003,892 km (0.055 R)
• M16: 19,484,225 km (0.059 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 318.6

Radius: 11.7

Gravity: 2.33 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 3.15 AU - 5.09 AU

Year: 3651 Days

Day: 7.2 Hours

Environment

Temp: -162 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 50,101,020 km

• M1: 149,149 km (0.109 R)
• M2: 717,172 km (0.106 R)
• M3: 1,114,654 km (0.057 R)
• M4: 1,749,098 km (0.08 R)
• M5: 2,414,958 km (0.109 R)
• M6: 3,109,691 km (0.1 R)
• M7: 3,992,169 km (0.054 R)
• M8: 6,547,300 km (0.089 R)
• M9: 9,251,731 km (0.098 R)
• M10: 12,670,491 km (0.12 R)
• M11: 13,371,806 km (0.088 R)
• M12: 13,914,696 km (0.118 R)
• M13: 14,378,151 km (0.074 R)
• M14: 16,490,173 km (0.102 R)
• M15: 17,647,313 km (0.079 R)

Planet 8 - Gas Giant

Semi-Major Axis: 6.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 132.6

Radius: 12.2

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 5.73 AU - 7.87 AU

Year: 7741 Days

Day: 5.8 Hours

Environment

Temp: -176 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 50,101,020 km

• M1: 154,235 km (0.09 R)
• M2: 639,980 km (0.099 R)
• M3: 1,105,379 km (0.052 R)
• M4: 2,050,239 km (0.109 R)
• M5: 2,563,060 km (0.097 R)
• M6: 5,218,722 km (0.085 R)
• M7: 7,814,694 km (0.029 R)
• M8: 9,298,555 km (0.099 R)
• M9: 11,689,877 km (0.049 R)
• M10: 14,364,687 km (0.104 R)
• M11: 16,250,368 km (0.07 R)
• M12: 18,355,060 km (0.078 R)
• M13: 20,190,477 km (0.037 R)

Planet 9 - Gas Giant

Semi-Major Axis: 8.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 755.4

Radius: 9.3

Gravity: 8.73 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 7.43 AU - 8.89 AU

Year: 10176 Days

Day: 7.3 Hours

Environment

Temp: -200 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 50,101,020 km

• M1: 116,986 km (0.068 R)
• M2: 764,296 km (0.069 R)
• M3: 1,212,940 km (0.083 R)
• M4: 2,132,817 km (0.105 R)
• M5: 4,520,399 km (0.057 R)
• M6: 6,105,089 km (0.07 R)
• M7: 7,431,723 km (0.1 R)
• M8: 8,753,570 km (0.063 R)
• M9: 11,573,340 km (0.074 R)
• M10: 15,971,817 km (0.073 R)
• M11: 16,607,757 km (0.067 R)
• M12: 20,125,551 km (0.097 R)
• M13: 23,836,326 km (0.106 R)
• M14: 26,976,236 km (0.039 R)
• M15: 32,804,719 km (0.105 R)
• M16: 33,144,755 km (0.072 R)
• M17: 34,063,286 km (0.114 R)
• M18: 43,243,060 km (0.119 R)
• M19: 44,063,754 km (0.059 R)
• M20: 46,874,099 km (0.11 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 168 - 12,300 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit