🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.85 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.63

Radius: 1.67

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 0.72 AU - 0.98 AU

Year: 302 Days

Day: 36.8 Hours

Environment

Temp: 28 °C

Axial Tilt: 31.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 0.97 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.27

Radius: 1.79

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 0.77 AU - 1.17 AU

Year: 368 Days

Day: 16.4 Hours

Environment

Temp: 19 °C

Axial Tilt: 27.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 2.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.24

Radius: 1.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 2.4 AU - 2.92 AU

Year: 1670 Days

Day: 30.5 Hours

Environment

Temp: -102 °C

Axial Tilt: 39.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.83 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 723.1

Radius: 12

Gravity: 5.02 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 4.07 AU - 5.94 AU

Year: 4305 Days

Day: 5.5 Hours

Environment

Temp: -152 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 75,900,131 km

• M1: 149,299 km (0.115 R)
• M2: 831,166 km (0.086 R)
• M3: 1,246,599 km (0.12 R)
• M4: 2,411,518 km (0.109 R)
• M5: 2,878,263 km (0.093 R)
• M6: 5,437,883 km (0.067 R)
• M7: 6,217,138 km (0.098 R)
• M8: 6,618,060 km (0.117 R)
• M9: 7,472,264 km (0.038 R)
• M10: 14,054,720 km (0.114 R)
• M11: 14,532,236 km (0.053 R)
• M12: 21,489,136 km (0.071 R)
• M13: 24,177,858 km (0.096 R)
• M14: 24,633,982 km (0.104 R)
• M15: 26,758,571 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 367

Radius: 14.7

Gravity: 1.7 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 6.23 AU - 8.15 AU

Year: 7423 Days

Day: 5.2 Hours

Environment

Temp: -168 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 75,900,131 km

• M1: 183,108 km (0.115 R)
• M2: 666,758 km (0.09 R)
• M3: 1,146,518 km (0.082 R)
• M4: 1,626,578 km (0.107 R)
• M5: 2,108,881 km (0.052 R)
• M6: 2,567,548 km (0.102 R)
• M7: 3,113,132 km (0.116 R)
• M8: 3,605,159 km (0.088 R)
• M9: 4,318,292 km (0.1 R)
• M10: 7,456,556 km (0.104 R)
• M11: 8,346,364 km (0.112 R)
• M12: 9,305,736 km (0.109 R)
• M13: 11,020,576 km (0.074 R)
• M14: 11,540,279 km (0.101 R)
• M15: 12,578,189 km (0.099 R)
• M16: 14,445,170 km (0.082 R)
• M17: 16,187,387 km (0.079 R)
• M18: 17,936,486 km (0.1 R)
• M19: 19,328,643 km (0.043 R)
• M20: 21,807,630 km (0.114 R)
• M21: 22,477,978 km (0.062 R)
• M22: 23,238,832 km (0.073 R)
• M23: 29,144,208 km (0.074 R)
• M24: 30,972,893 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 10.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 523.4

Radius: 10.2

Gravity: 5.03 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 10.62 AU - 11.24 AU

Year: 13912 Days

Day: 6.5 Hours

Environment

Temp: -186 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 75,900,131 km

• M1: 127,009 km (0.115 R)
• M2: 500,554 km (0.089 R)
• M3: 834,008 km (0.047 R)
• M4: 1,175,540 km (0.106 R)
• M5: 2,647,733 km (0.062 R)
• M6: 4,611,654 km (0.062 R)
• M7: 5,711,647 km (0.092 R)
• M8: 6,855,921 km (0.101 R)
• M9: 9,044,089 km (0.117 R)
• M10: 10,270,193 km (0.087 R)
• M11: 10,812,485 km (0.117 R)
• M12: 13,621,185 km (0.11 R)
• M13: 14,077,459 km (0.103 R)
• M14: 14,409,566 km (0.092 R)
• M15: 16,005,476 km (0.062 R)
• M16: 16,513,660 km (0.101 R)
• M17: 17,562,491 km (0.111 R)
• M18: 19,299,621 km (0.104 R)
• M19: 23,296,727 km (0.117 R)
• M20: 25,685,206 km (0.09 R)
• M21: 26,181,871 km (0.104 R)
• M22: 29,081,976 km (0.09 R)
• M23: 32,075,130 km (0.081 R)
• M24: 32,535,293 km (0.101 R)
• M25: 37,892,841 km (0.071 R)
• M26: 39,713,597 km (0.059 R)
• M27: 40,511,552 km (0.066 R)
• M28: 49,240,438 km (0.109 R)
• M29: 52,992,802 km (0.102 R)
• M30: 53,959,802 km (0.067 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 593.2

Radius: 5.6

Gravity: 18.92 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 11.71 AU - 17.43 AU

Year: 21412 Days

Day: 20.9 Hours

Environment

Temp: -189 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 75,900,131 km

• M1: 69,713 km (0.102 R)
• M2: 341,233 km (0.07 R)
• M3: 589,715 km (0.112 R)
• M4: 823,237 km (0.059 R)
• M5: 1,770,192 km (0.102 R)
• M6: 2,745,570 km (0.056 R)
• M7: 4,430,790 km (0.117 R)
• M8: 4,995,970 km (0.115 R)
• M9: 5,489,494 km (0.097 R)
• M10: 6,398,002 km (0.099 R)
• M11: 9,548,383 km (0.113 R)
• M12: 9,835,611 km (0.082 R)
• M13: 10,609,481 km (0.072 R)
• M14: 11,105,398 km (0.069 R)
• M15: 16,367,204 km (0.109 R)
• M16: 20,607,555 km (0.026 R)
• M17: 23,184,379 km (0.111 R)
• M18: 29,569,066 km (0.115 R)
• M19: 41,727,334 km (0.094 R)
• M20: 46,803,639 km (0.105 R)
• M21: 48,470,458 km (0.088 R)
• M22: 54,616,238 km (0.05 R)
• M23: 59,117,937 km (0.082 R)
• M24: 64,879,699 km (0.081 R)
• M25: 74,993,861 km (0.104 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 551 - 17,142 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit