🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.82 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.52

Radius: 0.77

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 0.77 AU - 0.87 AU

Year: 284 Days

Day: 12.3 Hours

Environment

Temp: 49 °C

Axial Tilt: 28.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.37

Radius: 1.8

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 1.97 AU - 2.57 AU

Year: 1310 Days

Day: 16.7 Hours

Environment

Temp: -88 °C

Axial Tilt: 49.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 4.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 368.8

Radius: 9.9

Gravity: 3.76 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 3.73 AU - 4.97 AU

Year: 3474 Days

Day: 9.4 Hours

Environment

Temp: -138 °C

Axial Tilt: 134.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 42,377,696 km

• M1: 123,717 km (0.058 R)
• M2: 552,465 km (0.098 R)
• M3: 1,312,123 km (0.081 R)
• M4: 1,765,255 km (0.059 R)
• M5: 2,375,614 km (0.088 R)
• M6: 3,137,965 km (0.107 R)
• M7: 3,668,888 km (0.101 R)
• M8: 4,095,541 km (0.101 R)
• M9: 5,002,403 km (0.037 R)
• M10: 5,779,115 km (0.046 R)
• M11: 7,479,894 km (0.098 R)
• M12: 7,850,298 km (0.106 R)
• M13: 8,297,745 km (0.111 R)
• M14: 8,898,081 km (0.11 R)
• M15: 9,889,317 km (0.117 R)
• M16: 12,006,276 km (0.101 R)
• M17: 12,429,189 km (0.078 R)
• M18: 14,408,968 km (0.117 R)
• M19: 16,956,919 km (0.101 R)
• M20: 18,588,433 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 85.9

Radius: 13.5

Gravity: 0.47 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 4.55 AU - 4.91 AU

Year: 3939 Days

Day: 9.8 Hours

Environment

Temp: -141 °C

Axial Tilt: 46.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 42,377,696 km

• M1: 168,298 km (0.092 R)
• M2: 663,616 km (0.097 R)
• M3: 1,557,463 km (0.111 R)
• M4: 2,331,333 km (0.113 R)
• M5: 3,289,208 km (0.098 R)
• M6: 4,239,604 km (0.093 R)
• M7: 5,386,870 km (0.074 R)
• M8: 5,931,556 km (0.077 R)
• M9: 7,682,449 km (0.085 R)
• M10: 9,198,324 km (0.062 R)
• M11: 10,736,041 km (0.047 R)
• M12: 11,495,549 km (0.111 R)
• M13: 12,588,661 km (0.082 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 942.6

Radius: 14.8

Gravity: 4.3 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 3.83 AU - 6.18 AU

Year: 4281 Days

Day: 14.7 Hours

Environment

Temp: -150 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 42,377,696 km

• M1: 185,501 km (0.101 R)
• M2: 1,013,077 km (0.098 R)
• M3: 1,745,957 km (0.076 R)
• M4: 2,304,406 km (0.068 R)
• M5: 2,818,573 km (0.047 R)
• M6: 3,856,783 km (0.09 R)
• M7: 6,524,262 km (0.047 R)
• M8: 8,185,696 km (0.113 R)
• M9: 9,564,839 km (0.08 R)
• M10: 10,507,904 km (0.112 R)
• M11: 11,371,533 km (0.094 R)
• M12: 12,932,736 km (0.108 R)
• M13: 13,765,098 km (0.045 R)
• M14: 16,477,757 km (0.1 R)
• M15: 17,331,961 km (0.068 R)
• M16: 19,529,553 km (0.073 R)
• M17: 23,698,098 km (0.075 R)
• M18: 29,923,015 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 549.9

Radius: 9.1

Gravity: 6.64 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 3.88 AU - 6.26 AU

Year: 4371 Days

Day: 12.9 Hours

Environment

Temp: -155 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 42,377,696 km

• M1: 113,545 km (0.117 R)
• M2: 448,943 km (0.058 R)
• M3: 789,129 km (0.09 R)
• M4: 1,189,752 km (0.111 R)
• M5: 3,481,741 km (0.102 R)
• M6: 4,113,193 km (0.104 R)
• M7: 4,409,696 km (0.115 R)
• M8: 5,493,982 km (0.091 R)
• M9: 6,142,489 km (0.082 R)
• M10: 6,967,670 km (0.066 R)
• M11: 8,004,234 km (0.109 R)
• M12: 9,025,988 km (0.084 R)
• M13: 9,727,302 km (0.072 R)
• M14: 10,339,008 km (0.085 R)
• M15: 11,729,670 km (0.056 R)
• M16: 12,188,786 km (0.1 R)
• M17: 12,899,974 km (0.075 R)
• M18: 13,290,275 km (0.111 R)
• M19: 16,079,228 km (0.085 R)
• M20: 16,531,612 km (0.103 R)
• M21: 17,939,777 km (0.096 R)
• M22: 18,243,012 km (0.099 R)
• M23: 21,060,388 km (0.09 R)
• M24: 22,854,964 km (0.118 R)
• M25: 23,571,538 km (0.06 R)
• M26: 24,081,966 km (0.109 R)

Planet 7 - Gas Giant

Semi-Major Axis: 10.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 313.4

Radius: 9.6

Gravity: 3.4 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 9.33 AU - 10.87 AU

Year: 12290 Days

Day: 14.8 Hours

Environment

Temp: -180 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 42,377,696 km

• M1: 119,529 km (0.087 R)
• M2: 432,787 km (0.116 R)
• M3: 787,633 km (0.115 R)
• M4: 1,556,715 km (0.12 R)
• M5: 2,157,500 km (0.075 R)
• M6: 3,340,520 km (0.08 R)
• M7: 4,340,881 km (0.118 R)
• M8: 4,940,320 km (0.118 R)
• M9: 5,857,953 km (0.071 R)
• M10: 7,620,366 km (0.109 R)
• M11: 8,364,466 km (0.09 R)
• M12: 9,292,870 km (0.105 R)
• M13: 11,994,458 km (0.094 R)
• M14: 15,244,173 km (0.103 R)
• M15: 16,223,141 km (0.025 R)
• M16: 16,830,359 km (0.078 R)
• M17: 19,942,593 km (0.109 R)
• M18: 20,561,330 km (0.1 R)
• M19: 21,432,737 km (0.066 R)
• M20: 23,419,247 km (0.064 R)
• M21: 24,194,912 km (0.056 R)
• M22: 30,313,615 km (0.094 R)
• M23: 30,925,620 km (0.112 R)
• M24: 34,440,123 km (0.088 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 537 - 17,540 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit