🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.1

Radius: 1.76

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 0.73 AU - 0.73 AU

Year: 230 Days

Day: 31.4 Hours

Environment

Temp: 158 °C

Axial Tilt: 32.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.7

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 1.92 AU - 2.14 AU

Year: 1067 Days

Day: 22 Hours

Environment

Temp: -81 °C

Axial Tilt: 155.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.36

Radius: 1.8

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 1.86 AU - 3.1 AU

Year: 1441 Days

Day: 38.2 Hours

Environment

Temp: -82 °C

Axial Tilt: 18.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 100,161,812 km

• M1: 51,761 km (0.05 R)
• M2: 1,666,071 km (0.091 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.66

Radius: 0.85

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 2.94 AU - 4.2 AU

Year: 2489 Days

Day: 47.1 Hours

Environment

Temp: -116 °C

Axial Tilt: 34.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.88 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 6.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 391.8

Radius: 12.8

Gravity: 2.39 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 4.89 AU - 7.49 AU

Year: 5682 Days

Day: 14.9 Hours

Environment

Temp: -153 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 100,161,812 km

• M1: 159,771 km (0.076 R)
• M2: 636,090 km (0.083 R)
• M3: 1,383,481 km (0.114 R)
• M4: 1,818,961 km (0.115 R)
• M5: 3,160,255 km (0.095 R)
• M6: 3,758,946 km (0.06 R)
• M7: 4,773,369 km (0.1 R)
• M8: 5,184,763 km (0.047 R)
• M9: 5,647,918 km (0.118 R)
• M10: 6,379,601 km (0.111 R)
• M11: 12,260,742 km (0.117 R)
• M12: 12,693,379 km (0.113 R)
• M13: 13,437,330 km (0.11 R)
• M14: 14,105,434 km (0.108 R)
• M15: 15,452,413 km (0.075 R)
• M16: 17,001,648 km (0.118 R)
• M17: 18,090,571 km (0.119 R)
• M18: 19,419,150 km (0.109 R)
• M19: 20,947,741 km (0.111 R)
• M20: 21,776,364 km (0.095 R)
• M21: 22,915,103 km (0.1 R)
• M22: 24,621,117 km (0.102 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 514

Radius: 12

Gravity: 3.57 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 6.11 AU - 9.97 AU

Year: 8411 Days

Day: 7.3 Hours

Environment

Temp: -169 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 100,161,812 km

• M1: 149,299 km (0.059 R)
• M2: 555,307 km (0.079 R)
• M3: 1,121,685 km (0.076 R)
• M4: 2,029,295 km (0.088 R)
• M5: 2,513,992 km (0.026 R)
• M6: 3,353,685 km (0.084 R)
• M7: 4,214,770 km (0.047 R)
• M8: 4,669,997 km (0.091 R)
• M9: 5,277,813 km (0.108 R)
• M10: 8,924,859 km (0.087 R)
• M11: 10,331,977 km (0.073 R)
• M12: 17,188,347 km (0.073 R)
• M13: 22,983,020 km (0.085 R)
• M14: 27,221,876 km (0.107 R)
• M15: 28,146,839 km (0.113 R)
• M16: 29,476,764 km (0.112 R)
• M17: 29,961,910 km (0.08 R)
• M18: 31,549,742 km (0.11 R)
• M19: 33,193,075 km (0.111 R)
• M20: 33,823,779 km (0.099 R)

Planet 7 - Ice Giant

Semi-Major Axis: 16.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 939.5

Radius: 6.2

Gravity: 24.44 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 15.66 AU - 18.28 AU

Year: 25793 Days

Day: 18.1 Hours

Environment

Temp: -201 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (44)

Outer Limit: 100,161,812 km

• M1: 77,043 km (0.095 R)
• M2: 357,689 km (0.097 R)
• M3: 1,085,781 km (0.084 R)
• M4: 1,443,470 km (0.065 R)
• M5: 2,568,895 km (0.102 R)
• M6: 3,873,687 km (0.091 R)
• M7: 4,554,806 km (0.062 R)
• M8: 4,984,003 km (0.102 R)
• M9: 6,013,984 km (0.087 R)
• M10: 9,755,576 km (0.069 R)
• M11: 11,145,640 km (0.099 R)
• M12: 12,289,764 km (0.114 R)
• M13: 14,893,216 km (0.107 R)
• M14: 15,403,046 km (0.085 R)
• M15: 16,637,976 km (0.058 R)
• M16: 17,842,538 km (0.102 R)
• M17: 18,128,569 km (0.088 R)
• M18: 21,372,749 km (0.064 R)
• M19: 21,587,422 km (0.089 R)
• M20: 27,817,425 km (0.062 R)
• M21: 28,330,994 km (0.113 R)
• M22: 30,313,914 km (0.118 R)
• M23: 33,821,087 km (0.088 R)
• M24: 34,701,320 km (0.101 R)
• M25: 35,596,664 km (0.084 R)
• M26: 39,172,053 km (0.111 R)
• M27: 40,469,665 km (0.054 R)
• M28: 40,963,487 km (0.103 R)
• M29: 43,493,636 km (0.099 R)
• M30: 44,011,843 km (0.112 R)
• M31: 47,026,539 km (0.111 R)
• M32: 49,422,798 km (0.069 R)
• M33: 53,266,267 km (0.049 R)
• M34: 61,324,954 km (0.083 R)
• M35: 69,216,392 km (0.074 R)
• M36: 72,311,721 km (0.069 R)
• M37: 77,251,892 km (0.059 R)
• M38: 83,737,558 km (0.114 R)
• M39: 85,076,907 km (0.1 R)
• M40: 85,616,507 km (0.058 R)
• M41: 88,902,723 km (0.114 R)
• M42: 91,704,542 km (0.094 R)
• M43: 96,016,850 km (0.112 R)
• M44: 97,778,963 km (0.111 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: 207 - 19,007 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit