🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.76

Radius: 1.25

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 1.31 AU - 1.57 AU

Year: 739 Days

Day: 21.7 Hours

Environment

Temp: -92 °C

Axial Tilt: 34.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.04

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 1.69 AU - 1.83 AU

Year: 998 Days

Day: 42.4 Hours

Environment

Temp: -96 °C

Axial Tilt: 31.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.58

Radius: 1.46

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 1.68 AU - 2.38 AU

Year: 1236 Days

Day: 29.5 Hours

Environment

Temp: -107 °C

Axial Tilt: 22.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.46 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 2.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 96.7

Radius: 8.7

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 2.81 AU - 2.95 AU

Year: 2089 Days

Day: 6.1 Hours

Environment

Temp: -138 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 63,966,784 km

• M1: 108,907 km (0.061 R)
• M2: 392,545 km (0.072 R)
• M3: 779,255 km (0.118 R)
• M4: 1,219,372 km (0.102 R)
• M5: 1,640,640 km (0.087 R)
• M6: 2,207,017 km (0.116 R)
• M7: 2,480,931 km (0.105 R)
• M8: 3,682,800 km (0.11 R)
• M9: 5,706,411 km (0.094 R)
• M10: 6,735,644 km (0.083 R)
• M11: 7,317,580 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 61.3

Radius: 11.2

Gravity: 0.49 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 4.91 AU - 6.69 AU

Year: 5971 Days

Day: 9.1 Hours

Environment

Temp: -183 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 63,966,784 km

• M1: 197,619 km (0.101 R)
• M2: 666,010 km (0.099 R)
• M3: 1,440,029 km (0.111 R)
• M4: 2,841,911 km (0.043 R)
• M5: 7,538,237 km (0.087 R)
• M6: 9,163,767 km (0.058 R)
• M7: 10,580,908 km (0.086 R)
• M8: 11,717,104 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 402.2

Radius: 9.3

Gravity: 4.65 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 6.01 AU - 6.45 AU

Year: 6648 Days

Day: 7.4 Hours

Environment

Temp: -169 °C

Axial Tilt: 104.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 63,966,784 km

• M1: 116,537 km (0.067 R)
• M2: 453,431 km (0.086 R)
• M3: 784,192 km (0.102 R)
• M4: 1,291,778 km (0.069 R)
• M5: 1,786,797 km (0.031 R)
• M6: 2,340,010 km (0.094 R)
• M7: 2,657,307 km (0.044 R)
• M8: 3,060,922 km (0.092 R)
• M9: 3,483,835 km (0.107 R)
• M10: 3,854,539 km (0.073 R)
• M11: 4,649,951 km (0.053 R)
• M12: 5,875,606 km (0.098 R)
• M13: 6,760,178 km (0.097 R)
• M14: 7,096,923 km (0.094 R)
• M15: 7,803,923 km (0.105 R)
• M16: 8,792,316 km (0.101 R)
• M17: 11,530,854 km (0.106 R)
• M18: 12,709,237 km (0.07 R)
• M19: 13,067,524 km (0.104 R)
• M20: 21,370,056 km (0.081 R)
• M21: 23,218,338 km (0.101 R)
• M22: 26,228,247 km (0.089 R)
• M23: 27,740,831 km (0.084 R)
• M24: 28,344,458 km (0.106 R)
• M25: 28,868,799 km (0.068 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 55.5

Radius: 13.5

Gravity: 0.3 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 5.9 AU - 8.5 AU

Year: 8259 Days

Day: 10.6 Hours

Environment

Temp: -182 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 63,966,784 km

• M1: 167,849 km (0.059 R)
• M2: 646,562 km (0.072 R)
• M3: 1,527,394 km (0.086 R)
• M4: 3,482,938 km (0.099 R)
• M5: 8,140,368 km (0.079 R)
• M6: 8,785,584 km (0.104 R)
• M7: 9,360,788 km (0.106 R)
• M8: 10,252,092 km (0.116 R)
• M9: 11,876,126 km (0.116 R)
• M10: 13,224,153 km (0.112 R)
• M11: 14,671,961 km (0.084 R)
• M12: 15,726,925 km (0.109 R)
• M13: 17,142,121 km (0.11 R)
• M14: 17,667,509 km (0.063 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 377.8

Radius: 5.6

Gravity: 12.05 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 10.9 AU - 15.72 AU

Year: 20758 Days

Day: 20.1 Hours

Environment

Temp: -210 °C

Axial Tilt: 43.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 63,966,784 km

• M1: 69,862 km (0.116 R)
• M2: 2,904,293 km (0.11 R)
• M3: 3,493,409 km (0.108 R)
• M4: 4,538,201 km (0.057 R)
• M5: 5,438,780 km (0.059 R)
• M6: 7,913,877 km (0.104 R)
• M7: 8,298,792 km (0.054 R)
• M8: 11,411,625 km (0.068 R)
• M9: 14,009,841 km (0.109 R)
• M10: 22,939,188 km (0.069 R)
• M11: 28,119,014 km (0.059 R)
• M12: 30,159,529 km (0.077 R)
• M13: 33,651,293 km (0.081 R)
• M14: 35,948,817 km (0.088 R)
• M15: 36,210,464 km (0.085 R)
• M16: 39,034,124 km (0.093 R)
• M17: 42,582,884 km (0.078 R)
• M18: 43,169,906 km (0.116 R)
• M19: 43,613,763 km (0.07 R)
• M20: 47,745,956 km (0.119 R)
• M21: 50,477,463 km (0.07 R)
• M22: 57,489,714 km (0.055 R)
• M23: 58,748,281 km (0.026 R)
• M24: 63,966,853 km (0.051 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 234 - 15,979 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit