🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.59

Radius: 1.2

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 1.42 AU - 1.5 AU

Year: 744 Days

Day: 17.2 Hours

Environment

Temp: -94 °C

Axial Tilt: 3.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.28

Radius: 1.39

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 1.93 AU - 3.17 AU

Year: 1717 Days

Day: 30.8 Hours

Environment

Temp: -132 °C

Axial Tilt: 49.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.71 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 4.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 846.1

Radius: 12.9

Gravity: 5.08 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 4.52 AU - 5.2 AU

Year: 4519 Days

Day: 5.3 Hours

Environment

Temp: -174 °C

Axial Tilt: 124.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 73,419,788 km

• M1: 160,369 km (0.062 R)
• M2: 566,527 km (0.111 R)
• M3: 998,416 km (0.113 R)
• M4: 1,826,440 km (0.065 R)
• M5: 2,236,638 km (0.066 R)
• M6: 2,814,983 km (0.099 R)
• M7: 3,597,081 km (0.112 R)
• M8: 4,275,058 km (0.046 R)
• M9: 5,338,101 km (0.111 R)
• M10: 6,378,853 km (0.101 R)
• M11: 6,897,659 km (0.116 R)
• M12: 7,657,017 km (0.088 R)
• M13: 9,019,256 km (0.116 R)
• M14: 10,013,483 km (0.059 R)
• M15: 12,666,751 km (0.12 R)
• M16: 14,291,533 km (0.103 R)
• M17: 15,933,520 km (0.12 R)
• M18: 17,137,184 km (0.116 R)
• M19: 18,856,961 km (0.105 R)
• M20: 19,997,196 km (0.102 R)
• M21: 21,829,321 km (0.065 R)
• M22: 25,501,799 km (0.108 R)
• M23: 25,906,611 km (0.082 R)
• M24: 29,567,271 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 222.2

Radius: 14.9

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 3.78 AU - 6.12 AU

Year: 4645 Days

Day: 11.4 Hours

Environment

Temp: -158 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 73,419,788 km

• M1: 191,485 km (0.108 R)
• M2: 796,908 km (0.062 R)
• M3: 1,319,453 km (0.091 R)
• M4: 2,040,665 km (0.051 R)
• M5: 3,771,063 km (0.042 R)
• M6: 4,433,034 km (0.112 R)
• M7: 5,054,912 km (0.102 R)
• M8: 6,613,423 km (0.054 R)
• M9: 8,050,460 km (0.098 R)
• M10: 8,980,061 km (0.107 R)
• M11: 9,542,699 km (0.086 R)
• M12: 11,212,809 km (0.084 R)
• M13: 14,307,840 km (0.089 R)
• M14: 15,472,010 km (0.109 R)
• M15: 16,385,904 km (0.092 R)
• M16: 17,605,874 km (0.076 R)
• M17: 18,658,594 km (0.062 R)

Planet 5 - Ice Giant

Semi-Major Axis: 11.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 797.3

Radius: 5.6

Gravity: 25.42 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 10.05 AU - 12.73 AU

Year: 16212 Days

Day: 23.8 Hours

Environment

Temp: -204 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 73,419,788 km

• M1: 70,012 km (0.095 R)
• M2: 338,690 km (0.105 R)
• M3: 601,084 km (0.105 R)
• M4: 1,661,883 km (0.078 R)
• M5: 3,677,116 km (0.066 R)
• M6: 4,036,599 km (0.096 R)
• M7: 4,485,243 km (0.059 R)
• M8: 6,113,018 km (0.113 R)
• M9: 8,654,985 km (0.071 R)
• M10: 9,509,488 km (0.081 R)
• M11: 9,900,387 km (0.114 R)
• M12: 11,761,684 km (0.056 R)
• M13: 12,474,667 km (0.058 R)
• M14: 14,419,140 km (0.116 R)
• M15: 15,311,043 km (0.111 R)
• M16: 16,081,921 km (0.074 R)
• M17: 16,959,462 km (0.117 R)
• M18: 21,070,710 km (0.091 R)
• M19: 21,927,009 km (0.086 R)
• M20: 22,707,610 km (0.096 R)
• M21: 23,204,724 km (0.034 R)
• M22: 24,427,537 km (0.078 R)
• M23: 28,697,659 km (0.074 R)
• M24: 33,567,817 km (0.114 R)
• M25: 36,739,292 km (0.084 R)
• M26: 41,123,856 km (0.115 R)
• M27: 47,603,239 km (0.06 R)
• M28: 51,253,876 km (0.081 R)
• M29: 51,594,660 km (0.119 R)
• M30: 52,280,865 km (0.084 R)
• M31: 54,376,133 km (0.071 R)
• M32: 55,444,412 km (0.079 R)
• M33: 65,295,581 km (0.073 R)

Planet 6 - Ice Giant

Semi-Major Axis: 15.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 352.2

Radius: 3.1

Gravity: 36.65 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 13.59 AU - 17.97 AU

Year: 26437 Days

Day: 24.6 Hours

Environment

Temp: -216 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 73,419,788 km

• M1: 38,596 km (0.059 R)
• M2: 185,352 km (0.105 R)
• M3: 380,278 km (0.039 R)
• M4: 566,078 km (0.107 R)
• M5: 1,130,960 km (0.087 R)
• M6: 2,079,859 km (0.069 R)
• M7: 2,651,772 km (0.087 R)
• M8: 4,033,458 km (0.12 R)
• M9: 9,101,534 km (0.1 R)
• M10: 9,772,631 km (0.089 R)
• M11: 10,901,646 km (0.116 R)
• M12: 12,048,613 km (0.099 R)
• M13: 16,450,231 km (0.075 R)
• M14: 18,387,373 km (0.105 R)
• M15: 19,185,029 km (0.062 R)
• M16: 24,355,132 km (0.102 R)
• M17: 26,636,798 km (0.091 R)
• M18: 28,234,653 km (0.114 R)
• M19: 28,702,595 km (0.103 R)
• M20: 33,279,094 km (0.108 R)
• M21: 36,909,684 km (0.029 R)
• M22: 44,156,205 km (0.089 R)
• M23: 45,422,701 km (0.073 R)
• M24: 48,360,354 km (0.063 R)
• M25: 50,045,873 km (0.082 R)
• M26: 53,000,282 km (0.094 R)
• M27: 53,890,838 km (0.101 R)
• M28: 57,179,597 km (0.105 R)
• M29: 70,380,712 km (0.104 R)
• M30: 71,456,321 km (0.072 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 371 - 10,877 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit